python 全栈开发，Day114(装饰器,排序规则,显示列,添加按钮,定制ModelForm,自定义列表页面,自定制URL)

一、装饰器

装饰器本质上就是一个python函数，他可以让其他函数在不需要做任何代码变动的前提下，增加额外的功能，装饰器的返回值也是一个函数对象。

装饰器的应用场景：比如插入日志，性能测试，事务处理，缓存等等场景。

基本装饰器

不应用装饰器

def wrapper(func):
    def inner(*args,**kwargs):
        return func(*args,**kwargs)
    return inner

def f1():
    print('f1')

print(f1.__name__)

执行输出：

f1

使用装饰器

def wrapper(func):
    def inner(*args,**kwargs):
        return func(*args,**kwargs)
    return inner

@wrapper
def f1():
    print('f1')

print(f1.__name__)

执行输出：

inner

咦？为什么输出了inner，我要的是f1啊。因为函数装饰之后，相当于执行了inner函数，所以输出inner

为了解决这个问题，需要调用一个模块wraps

高级装饰器

wraps将 被修饰的函数(wrapped) 的一些属性值赋值给 修饰器函数(wrapper) ，最终让属性的显示更符合我们的直觉！

导入模块functools，并使用@functools.wraps，就可进行高级伪装

import functools
def wrapper(func):
    @functools.wraps(func)
    def inner(*args,**kwargs):
        return func(*args,**kwargs)
    return inner

@wrapper
def f1():
    print('f1')

print(f1.__name__)

执行输出：

f1

虽然结果看起来是原来的，但真正执行的是inner
这个@functools.wraps装饰器，保留原函数信息，比如函数名

如果以后写装饰器，一定要写@functools.wraps！
后续flask会用到

二、排序规则

务必下载github代码：

https://github.com/987334176/luffy_stark/archive/v1.0.zip

因为下面的内容，都是这份代码来修改的！

修改stark-->server-->stark.py

注意：order_by是空列表，它需要用户自定义

from django.conf.urls import url
from django.shortcuts import HttpResponse

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    order_by = []  # 需要排序的字段,由用户自定义

    def get_order_by(self):
        return self.order_by  # 获取排序列表

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        print(self.model_class)
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        print(queryset)
        return HttpResponse('stark list')

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

修改app02-->stark.py，定义order_by

# 这里的site,指的是实例化后的变量名
# StarkConfig表示类
from stark.server.stark import site,StarkConfig
from app02 import models
from django.conf.urls import url
from django.shortcuts import HttpResponse

class RoleConfig(StarkConfig):
    order_by = ['-id']  # 有负号,表示降序

    def sk2(self, request):
        return HttpResponse('sk2神仙水')

    def extra_url(self):
        data = [
            url(r'^sk2/$', self.sk2),
        ]
        return data

site.register(models.Role,RoleConfig)  # 注册表

添加数据

使用navicat打开app02_role表，添加2条数据

打开app01_userinfo表，添加2条数据

访问页面

http://127.0.0.1:8000/stark/app02/role/list/

效果如下：

查看Pycharm控制台输出：

<class 'app02.models.Role'>
<QuerySet [<Role: Role object>, <Role: Role object>]>

应该有一个页面，要展示一下数据。那么页面，应该写在哪里？

要写在stark里面，因为它是组件，它是能够应用到其他django项目的！

前端展示数据

进入stark应用目录，创建目录templates，在此目录下创建stark目录。在此目录创建layout.html。这个是母版文件！

{% load staticfiles %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>路飞学城</title>
    <link rel="shortcut icon" href="{% static 'stark/imgs/luffy-study-logo.png' %} ">
    <link rel="stylesheet" href="{% static 'stark/plugins/bootstrap/css/bootstrap.css' %} "/>
    <link rel="stylesheet" href="{% static 'stark/plugins/font-awesome/css/font-awesome.css' %} "/>
    <link rel="stylesheet" href="{% static 'stark/css/commons.css' %} "/>
    <link rel="stylesheet" href="{% static 'stark/css/nav.css' %} "/>
    <style>
        body {
            margin: 0;
        }

        .no-radius {
            border-radius: 0;
        }

        .no-margin {
            margin: 0;
        }

        .pg-body > .left-menu {
            background-color: #EAEDF1;
            position: absolute;
            left: 0;
            top: 48px;
            bottom: 0;
            width: 220px;
            border: 1px solid #EAEDF1;
            overflow: auto;
        }

        .pg-body > .right-body {
            position: absolute;
            left: 225px;
            right: 0;
            top: 48px;
            bottom: 0;
            overflow: scroll;
            border: 1px solid #ddd;
            border-top: 0;
            font-size: 13px;
            min-width: 755px;
        }

        .navbar-right {
            float: right !important;
            margin-right: -15px;
        }

        .luffy-container {
            padding: 15px;
        }

    </style>
    {% block css %}{% endblock %}
</head>
<body>

<div class="pg-header">
    <div class="nav">
        <div class="logo-area left">
            <a href="#">
                <img class="logo" src="{% static 'stark/imgs/logo.svg' %}">
                <span style="font-size: 18px;">路飞学城 </span>
            </a>
        </div>

        <div class="left-menu left">
            <a class="menu-item">资产管理</a>
            <a class="menu-item">用户信息</a>
            <a class="menu-item">路飞管理</a>
            <div class="menu-item">
                <span>使用说明</span>
                <i class="fa fa-caret-down" aria-hidden="true"></i>
                <div class="more-info">
                    <a href="#" class="more-item">管他什么菜单</a>
                    <a href="#" class="more-item">实在是编不了</a>
                </div>
            </div>
        </div>

        <div class="right-menu right clearfix">

            <div class="user-info right">
                <a href="#" class="avatar">
                    <img class="img-circle" src="{% static 'stark/imgs/default.png' %}">
                </a>

                <div class="more-info">
                    <a href="#" class="more-item">个人信息</a>
                    <a href="/logout/" class="more-item">注销</a>
                </div>
            </div>

            <a class="user-menu right">
                消息
                <i class="fa fa-commenting-o" aria-hidden="true"></i>
                <span class="badge bg-success">2</span>
            </a>

            <a class="user-menu right">
                通知
                <i class="fa fa-envelope-o" aria-hidden="true"></i>
                <span class="badge bg-success">2</span>
            </a>

            <a class="user-menu right">
                任务
                <i class="fa fa-bell-o" aria-hidden="true"></i>
                <span class="badge bg-danger">4</span>
            </a>
        </div>

    </div>
</div>
<div class="pg-body">
    <div class="left-menu">
        <div class="menu-body">

        </div>
    </div>
    <div class="right-body">
        <div>

        </div>
        {% block content %} {% endblock %}
    </div>
</div>

<script src="{% static 'stark/js/jquery-3.3.1.min.js' %} "></script>
<script src="{% static 'stark/plugins/bootstrap/js/bootstrap.js' %} "></script>
{% block js %} {% endblock %}
</body>
</html>

进入目录stark-->templates-->stark，创建文件changelist.html

{% extends 'stark/layout.html' %}

{% block content %}
    <h1>列表页面</h1>
    <div>
        <table class="table table-bordered">
            <thead>
                <tr>
                    <th>第一列</th>
                    <th>第二列</th>
                    <th>第三列</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <td>11</td>
                    <td>22</td>
                    <td>33</td>
                </tr>
            </tbody>
        </table>

    </div>

{% endblock %}

进入stark应用目录，创建目录static，再创建stark目录

下载文件：

https://github.com/987334176/luffy_permission/archive/v1.5.zip

解压文件，进入目录web-->static，将里面的css，imgs，js，plugins复制过来

项目结构如下：

这里面删除了css，js相关文件，否则结构长了！

luffy_stark/
├── app01
│   ├── admin.py
│   ├── apps.py
│   ├── __init__.py
│   ├── models.py
│   ├── stark.py
│   ├── tests.py
│   └── views.py
├── app02
│   ├── admin.py
│   ├── apps.py
│   ├── __init__.py
│   ├── models.py
│   ├── stark.py
│   ├── tests.py
│   └── views.py
├── db.sqlite3
├── luffy_stark
│   ├── __init__.py
│   ├── settings.py
│   ├── urls.py
│   └── wsgi.py
├── manage.py
├── README.md
└── stark
    ├── admin.py
    ├── apps.py
    ├── __init__.py
    ├── models.py
    ├── server
    │   └── stark.py
    ├── static
    │   └── stark
    │       ├── css
    │       ├── imgs
    │       ├── js
    │       └── plugins
    ├── templates
    │   └── stark
    │       ├── changelist.html
    │       └── layout.html
    ├── tests.py
    └── views.py

注意：changelist.html是在stark-->templates-->stark目录里面！

修改stark-->server-->stark.py，渲染changelist.html

from django.conf.urls import url
from django.shortcuts import HttpResponse,render

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    order_by = []  # 需要排序的字段,由用户自定义

    def get_order_by(self):
        return self.order_by  # 获取排序列表

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        return render(request,'stark/changelist.html')

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

重启django项目，访问url:

http://127.0.0.1:8000/stark/app02/role/list/

效果如下：

二、显示列

如果需要显示自定义的列，怎么做？

定义header_list和list_display，分别表示头部和显示的列。

修改stark-->server-->stark.py

from django.conf.urls import url
from django.shortcuts import HttpResponse,render

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    order_by = []  # 需要排序的字段,由用户自定义

    def get_order_by(self):
        return self.order_by  # 获取排序列表

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = ['id','username']  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name in list_display:
                # 获取指定字段的verbose_name
                verbose_name = self.model_class._meta.get_field(name).verbose_name
                header_list.append(verbose_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据

            for name in list_display:
                # 使用反射获取对象的值
                val = getattr(row, name)
                row_list.append(val)
            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

修改changelist.html，使用for循环

{% extends 'stark/layout.html' %}

{% block content %}
    <h1>列表页面</h1>
    <div>
        <table class="table table-bordered">
            <thead>
                <tr>
                    {% for item in header_list %}
                    <th>{{ item }}</th>
                    {% endfor %}

                </tr>
            </thead>
            <tbody>
                {% for row_list in body_list %}
                <tr>
                    {% for col in row_list %}
                        <td>{{ col }}</td>
                    {% endfor %}

                </tr>
                {% endfor %}
            </tbody>
        </table>

    </div>

{% endblock %}

刷新页面，效果如下：

去掉id

修改stark-->server-->stark.py，修改list_display

list_display = ['username']

刷新页面，效果如下：

这个变量，定死了。应该要动态生成才行。

修改stark-->server-->stark.py，定义静态变量，定义方法get_list_display

from django.conf.urls import url
from django.shortcuts import HttpResponse,render

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name in list_display:
                # 获取指定字段的verbose_name
                verbose_name = self.model_class._meta.get_field(name).verbose_name
                header_list.append(verbose_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据

            for name in list_display:
                # 使用反射获取对象的值
                val = getattr(row, name)
                row_list.append(val)
            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

修改app02-->stark.py，设置list_display，只显示title

# 这里的site,指的是实例化后的变量名
# StarkConfig表示类
from stark.server.stark import site,StarkConfig
from app02 import models
from django.conf.urls import url
from django.shortcuts import HttpResponse

class RoleConfig(StarkConfig):
    order_by = ['-id']  # 有负号,表示降序
    list_display = ['title']  # 定义显示的列

    def sk2(self, request):
        return HttpResponse('sk2神仙水')

    def extra_url(self):
        data = [
            url(r'^sk2/$', self.sk2),
        ]
        return data

site.register(models.Role,RoleConfig)  # 注册表

刷新页面，效果同上！

修改app01-->stark.py，增加自定义方法

from stark.server.stark import site,StarkConfig
from app01 import models

class UserInfoConfig(StarkConfig):
    list_display = ['id','username']

site.register(models.UserInfo,UserInfoConfig)

访问url:   http://127.0.0.1:8000/stark/app01/userinfo/list/

效果如下：

如果用户没有指定list_display，那改如何显示？直接显示表名和对象

修改stark-->server-->stark.py，做判断。header_list显示表名，body_list显示对象

from django.conf.urls import url
from django.shortcuts import HttpResponse,render

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name in list_display:
                # 获取指定字段的verbose_name
                verbose_name = self.model_class._meta.get_field(name).verbose_name
                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name in list_display:
                # 使用反射获取对象的值
                val = getattr(row, name)
                row_list.append(val)
            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

修改 app02-->stark.py，注释掉list_display变量

访问url：  http://127.0.0.1:8000/stark/app02/role/list/

但是显示object，用户会不爽，怎么搞？

修改app02-->models.py，增加__str__方法，用来显示默认字段

from django.db import models

# Create your models here.
class Role(models.Model):
    title = models.CharField(verbose_name="名称", max_length=32)

    def __str__(self):
        return self.title

修改app01-->models.py，增加__str__方法

from django.db import models

# Create your models here.
class UserInfo(models.Model):
    username = models.CharField(verbose_name="用户名",max_length=32)

    def __str__(self):
        return self.username

刷新页面，效果如下：

注意：在stark-->server-->stark.py 中定义的get_list_display方法，是一个预留的钩子。它可以做定制化

在app01-->stark.py里面定义了list_display，默认是所有用户，都显示这些列。

如果需要根据用户角色不同来展示不同的数据呢？那么这个钩子，就可以派上用场了！

可以直接在app01-->stark.py里面，重构get_list_display方法。

比如：

修改app02-->stark.py

注意：get_list_display里面的if 1 == 1，只是为了做演示而已。实际上，应该是你的业务代码！

# 这里的site,指的是实例化后的变量名
# StarkConfig表示类
from stark.server.stark import site,StarkConfig
from app02 import models
from django.conf.urls import url
from django.shortcuts import HttpResponse

class RoleConfig(StarkConfig):
    order_by = ['-id']  # 有负号,表示降序
    # list_display = ['id','title']  # 定义显示的列
    def get_list_display(self):
        if 1 == 1:
            return ['id']
        else:
            return ['id','title']

    def sk2(self, request):
        return HttpResponse('sk2神仙水')

    def extra_url(self):
        data = [
            url(r'^sk2/$', self.sk2),
        ]
        return data

site.register(models.Role,RoleConfig)  # 注册表

注意：list_display和get_list_display不能同时存在。因为list_display的优先级比get_list_display高

定义了list_display，那么get_list_display就没有效果了！

访问url：  http://127.0.0.1:8000/stark/app02/role/list/

效果如下：

修改app01-->models.py，增加部门表

from django.db import models

# Create your models here.
class UserInfo(models.Model):
    username = models.CharField(verbose_name="用户名",max_length=32)

    def __str__(self):
        return self.username

class Depart(models.Model):

    name = models.CharField(verbose_name='部门名称',max_length=32)
    tel = models.CharField(verbose_name='联系电话',max_length=31)
    user = models.ForeignKey(verbose_name='负责人',to='UserInfo')

    def __str__(self):
        return self.name

使用2个命令生成表

python manage.py makemigrations
python manage.py migrate

注意：如果无法生成表depart，使用命令

python manage.py makemigrations app01
python manage.py migrate

添加2条记录

修改app01-->stark.py，注册表Depart

from stark.server.stark import site,StarkConfig
from app01 import models

class UserInfoConfig(StarkConfig):
    list_display = ['id','username']

site.register(models.UserInfo,UserInfoConfig)
site.register(models.Depart)

访问部门的url：  http://127.0.0.1:8000/stark/app01/depart/list/

效果如下：

修改app01-->stark.py，为depart增加list_display

from stark.server.stark import site,StarkConfig
from app01 import models

class UserInfoConfig(StarkConfig):
    list_display = ['id','username']

class DepartConfig(StarkConfig):
    list_display = ['name','tel','user']

site.register(models.UserInfo,UserInfoConfig)
site.register(models.Depart,DepartConfig)

千万要记得在site.register，添加自定义类！否则下面的效果出不来！

刷新页面，效果如下：

查看stark-->server-->stark.py，查看changelist_view，发现代码都写在这里了。可读性不好！

如果要增加其他功能呢？比如下面的效果：

那么就需要拆分代码，不同的功能，放在不同的方法里面！

四、添加按钮

CheckBox

以部门表为例，加一个checkbox，也就是复选框

修改 app01-->stark.py，增加一个方法，添加到列表中

from stark.server.stark import site,StarkConfig
from app01 import models

class UserInfoConfig(StarkConfig):
    list_display = ['id','username']

class DepartConfig(StarkConfig):
    def f1(self):  # 测试函数
        pass

    list_display = [f1,'name', 'tel', 'user']

site.register(models.UserInfo,UserInfoConfig)
site.register(models.Depart,DepartConfig)

修改 stark-->server-->stark.py，对list_display每一个元素做判断。

如果是字符串，去数据库取。如果是函数，去用户自定义的方法中获取！使用FunctionType判断

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self)  # 执行函数获取
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

修改app01-->stark.py，增加方法f1

from stark.server.stark import site,StarkConfig
from app01 import models

class UserInfoConfig(StarkConfig):
    list_display = ['id','username']

class DepartConfig(StarkConfig):
    def f1(self,header=False):  # 测试函数
        if header:
            # 输出中文
            return "选择"

        return "checkbox"  # 标签名

    list_display = [f1,'name', 'tel', 'user']

site.register(models.UserInfo,UserInfoConfig)
site.register(models.Depart,DepartConfig)

访问页面：http://127.0.0.1:8000/stark/app01/depart/list/

效果如下：

这个checkbox看着不爽，要换成html标签。需要使用mark_safe渲染html标签

修改app01-->stark.py，返回一个input标签

from stark.server.stark import site,StarkConfig
from app01 import models
from django.utils.safestring import mark_safe

class UserInfoConfig(StarkConfig):
    list_display = ['id','username']

class DepartConfig(StarkConfig):
    def f1(self,header=False):  # 测试函数
        if header:
            # 输出标签
            return mark_safe('<input type="checkbox" name="pk" />')

        return mark_safe('<input type="checkbox" name="pk" />')  # 标签名

    list_display = [f1,'name', 'tel', 'user']

site.register(models.UserInfo,UserInfoConfig)
site.register(models.Depart,DepartConfig)

刷新页面，效果如下：

但是有一个问题，input标签的值和行数据的id不匹配。怎么动态获取呢？

在stark-->server-->stark.py里面，给它传一个row对象，就可以获取了！

修改stark-->server-->stark.py，传递row参数

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType
from django.utils.safestring import mark_safe

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

修改app01-->stark.py，接收row参数

f1的名字不好，要改成display_checkbox

from stark.server.stark import site,StarkConfig
from app01 import models
from django.utils.safestring import mark_safe

class UserInfoConfig(StarkConfig):
    list_display = ['id','username']

class DepartConfig(StarkConfig):
    def f1(self,row=None,header=False):  # 测试函数
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    list_display = [f1,'name', 'tel', 'user']

site.register(models.UserInfo,UserInfoConfig)
site.register(models.Depart,DepartConfig)

刷新页面，效果如下：

id就动态生成了！

以后有form表单，后台就可以批量操作了

现在role表也想有checkbox功能，怎么办？代码copy一遍？

这样不好，如果有10个表呢？需要写在StarkConfig类里面！

为什么呢？因为在app01-->stark.py里面的自定义类，都是继承了StarkConfig类

修改stark-->server-->stark.py，在StarkConfig类增加display_checkbox方法

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType
from django.utils.safestring import mark_safe

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

修改app01-->stark.py，使用StarkConfig类的display_checkbox方法

from stark.server.stark import site,StarkConfig
from app01 import models

class UserInfoConfig(StarkConfig):
    list_display = ['id','username']

class DepartConfig(StarkConfig):
    list_display = [StarkConfig.display_checkbox,'name', 'tel', 'user']

site.register(models.UserInfo,UserInfoConfig)
site.register(models.Depart,DepartConfig)

刷新页面，效果同上！

修改app02-->stark.py，使用display_checkbox方法

# 这里的site,指的是实例化后的变量名
# StarkConfig表示类
from stark.server.stark import site,StarkConfig
from app02 import models
from django.conf.urls import url
from django.shortcuts import HttpResponse

class RoleConfig(StarkConfig):
    order_by = ['-id']  # 有负号,表示降序
    # 定义显示的列
    list_display = [StarkConfig.display_checkbox,'id','title']
    # def get_list_display(self):  # 钩子函数,用来做定制显示
    #     if 1 == 1:
    #         return ['id']
    #     else:
    #         return ['id','title']

    def sk2(self, request):
        return HttpResponse('sk2神仙水')

    def extra_url(self):
        data = [
            url(r'^sk2/$', self.sk2),
        ]
        return data

site.register(models.Role,RoleConfig)  # 注册表

访问url:    http://127.0.0.1:8000/stark/app02/role/list/

效果如下：

编辑和删除

修改stark-->server-->stark.py，增加编辑和删除方法

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType
from django.utils.safestring import mark_safe

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"
        return mark_safe('<a href="/edit/%s">编辑</a>' % row.pk)

    def display_del(self, row=None, header=False):
        if header:
            return "删除"
        return mark_safe('<a href="/del/%s">删除</a>' % row.pk)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

修改app01-->stark.py，应用编辑和删除

from stark.server.stark import site, StarkConfig
from app01 import models

class UserInfoConfig(StarkConfig):
    list_display = ['id', 'username']

class DepartConfig(StarkConfig):
    list_display = [StarkConfig.display_checkbox, 'name', 'tel', 'user', StarkConfig.display_edit,
                    StarkConfig.display_del]

site.register(models.UserInfo, UserInfoConfig)
site.register(models.Depart, DepartConfig)

重启django项目，访问页面：  http://127.0.0.1:8000/stark/app01/depart/list/

效果如下：

文字看着不爽，改成图标

修改stark-->server-->stark.py

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType
from django.utils.safestring import mark_safe

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"
        return mark_safe('<a href="/edit/%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % row.pk)

    def display_del(self, row=None, header=False):
        if header:
            return "删除"
        return mark_safe('<a href="/del/%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % row.pk)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

刷新页面，效果如下：

编辑和删除，占用太宽了。合并成一列！

修改stark-->server-->stark.py，增加方法display_edit_del

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType
from django.utils.safestring import mark_safe

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"
        return mark_safe('<a href="/edit/%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % row.pk)

    def display_del(self, row=None, header=False):
        if header:
            return "删除"
        return mark_safe('<a href="/del/%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % row.pk)

    def display_edit_del(self, row=None, header=False):
        if header:
            return "操作"
        tpl = """<a href="/edit/%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a> |
        <a href="/del/%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>
        """ % (row.pk, row.pk,)
        return mark_safe(tpl)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        # print(info)
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

修改app01-->stark.py，应用方法display_edit_del

from stark.server.stark import site, StarkConfig
from app01 import models

class UserInfoConfig(StarkConfig):
    list_display = ['id', 'username']

class DepartConfig(StarkConfig):
    list_display = [StarkConfig.display_checkbox, 'name', 'tel', 'user', StarkConfig.display_edit_del]

site.register(models.UserInfo, UserInfoConfig)
site.register(models.Depart, DepartConfig)

刷新页面，效果如下：

通过这样，想显示 编辑、删除、编辑和删除。都可以任意选择！

但是有一个问题，url不对。怎么办？应该使用url别名反向生成。

看这一段代码

info = self.model_class._meta.app_label, self.model_class._meta.model_name
urlpatterns = [
    url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
    ...
]

别名需要app名和表名，以及命令空间。再拼接_changelist，就可以反向生成url了

修改stark-->server-->stark.py，增加方法reverse_edit_url方法。并在编辑的方法中，使用此方法获取url

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType
from django.utils.safestring import mark_safe
from django.urls import reverse

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"
        return mark_safe('<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % self.reverse_edit_url(row))

    def display_del(self, row=None, header=False):
        if header:
            return "删除"
        return mark_safe('<a href="/del/%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % row.pk)

    def display_edit_del(self, row=None, header=False):
        if header:
            return "操作"
        tpl = """<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a> |
        <a href="/del/%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>
        """ % (self.reverse_edit_url(row), row.pk,)
        return mark_safe(tpl)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    def reverse_edit_url(self, row):  # 反向生成编辑行内容的url
        app_label = self.model_class._meta.app_label  # app名
        model_name = self.model_class._meta.model_name  # 表名
        namespace = self.site.namespace  # 命名空间
        # 拼接字符串
        name = '%s:%s_%s_change' % (namespace, app_label, model_name)
        # 反向生成url,传入参数pk=row.pk
        edit_url = reverse(name, kwargs={'pk': row.pk})
        return edit_url

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

重启django项目，访问url： http://127.0.0.1:8000/stark/app01/depart/list/

可以发现url生成了，效果如下：

点击编辑按钮，会自动跳转页面

http://127.0.0.1:8000/stark/app01/depart/1/change/

效果如下：

那么删除也是同样的，再定义一个方法reverse_del_url方法。并在删除的方法中，使用此方法获取url

修改stark-->server-->stark.py

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType
from django.utils.safestring import mark_safe
from django.urls import reverse

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"

        return mark_safe(
            '<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % self.reverse_edit_url(row))

    def display_del(self, row=None, header=False):
        if header:
            return "删除"

        return mark_safe(
            '<a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % self.reverse_del_url(row))

    def display_edit_del(self, row=None, header=False):
        if header:
            return "操作"
        tpl = """<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a> |
        <a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>
        """ % (self.reverse_edit_url(row), self.reverse_del_url(row),)
        return mark_safe(tpl)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())
        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    def reverse_edit_url(self, row):  # 反向生成编辑行内容的url
        app_label = self.model_class._meta.app_label  # app名
        model_name = self.model_class._meta.model_name  # 表名
        namespace = self.site.namespace  # 命名空间
        # 拼接字符串,这里为change
        name = '%s:%s_%s_change' % (namespace, app_label, model_name)
        # 反向生成url,传入参数pk=row.pk
        edit_url = reverse(name, kwargs={'pk': row.pk})
        return edit_url

    def reverse_del_url(self, row):  # 反向生成删除行内容的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        # 注意:这里为del
        name = '%s:%s_%s_del' % (namespace, app_label, model_name)
        del_url = reverse(name, kwargs={'pk': row.pk})
        return del_url

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

刷新页面，效果如下：

点击删除按钮，会自动跳转页面

http://127.0.0.1:8000/stark/app01/depart/1/del/

效果如下：

那么其他页面，也是同样的效果！

添加按钮

修改stark-->templates-->stark-->changelist.html ，先写一个添加按钮

{% extends 'stark/layout.html' %}

{% block content %}
    <h1>列表页面</h1>
    <div>
        <div style="margin: 5px 0;">
            <a href="#" class="btn btn-success">添加</a>
        </div>
        <table class="table table-bordered">
            <thead>
                <tr>
                    {% for item in header_list %}
                    <th>{{ item }}</th>
                    {% endfor %}

                </tr>
            </thead>
            <tbody>
                {% for row_list in body_list %}
                <tr>
                    {% for col in row_list %}
                        <td>{{ col }}</td>
                    {% endfor %}

                </tr>
                {% endfor %}
            </tbody>
        </table>

    </div>

{% endblock %}

访问页面： http://127.0.0.1:8000/stark/app01/depart/list/

效果如下：

但是，并不是每个页面，都需要显示添加按钮。如何控制页面显示呢？

修改stark-->server-->stark.py，增加get_add_btn方法

注意：在渲染stark/changelist.html页面时，要传入参数add_btn

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType
from django.utils.safestring import mark_safe
from django.urls import reverse

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"

        return mark_safe(
            '<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % self.reverse_edit_url(row))

    def display_del(self, row=None, header=False):
        if header:
            return "删除"

        return mark_safe(
            '<a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % self.reverse_del_url(row))

    def display_edit_del(self, row=None, header=False):
        if header:
            return "操作"
        tpl = """<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a> |
        <a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>
        """ % (self.reverse_edit_url(row), self.reverse_del_url(row),)
        return mark_safe(tpl)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def get_add_btn(self):  # 显示添加按钮
        return mark_safe('<a href="#" class="btn btn-success">添加</a>')

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())

        add_btn = self.get_add_btn()  # 添加按钮返回值,不为空展示,否则不展示

        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        # 注意:要传入add_btn
        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list,'add_btn':add_btn})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    def reverse_edit_url(self, row):  # 反向生成编辑行内容的url
        app_label = self.model_class._meta.app_label  # app名
        model_name = self.model_class._meta.model_name  # 表名
        namespace = self.site.namespace  # 命名空间
        # 拼接字符串,这里为change
        name = '%s:%s_%s_change' % (namespace, app_label, model_name)
        # 反向生成url,传入参数pk=row.pk
        edit_url = reverse(name, kwargs={'pk': row.pk})
        return edit_url

    def reverse_del_url(self, row):  # 反向生成删除行内容的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        # 注意:这里为del
        name = '%s:%s_%s_del' % (namespace, app_label, model_name)
        del_url = reverse(name, kwargs={'pk': row.pk})
        return del_url

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

修改app01-->stark.py，重构get_add_btn方法，返回None

from stark.server.stark import site, StarkConfig
from app01 import models

class UserInfoConfig(StarkConfig):
    list_display = ['id', 'username']

class DepartConfig(StarkConfig):
    list_display = [StarkConfig.display_checkbox, 'name', 'tel', 'user', StarkConfig.display_edit_del]

    def get_add_btn(self):  # 返回None,表示不显示添加按钮
        pass

site.register(models.UserInfo, UserInfoConfig)
site.register(models.Depart, DepartConfig)

修改stark-->templates-->stark-->changelist.html，做一个if判断。如果get_add_btn返回结果不为空，则展示。否则不显示！

{% extends 'stark/layout.html' %}

{% block content %}
    <h1>列表页面</h1>
    <div>
        {% if add_btn %}
        <div style="margin: 5px 0;">
            {{ add_btn }}
        </div>
        {% endif %}
        <table class="table table-bordered">
            <thead>
                <tr>
                    {% for item in header_list %}
                    <th>{{ item }}</th>
                    {% endfor %}

                </tr>
            </thead>
            <tbody>
                {% for row_list in body_list %}
                <tr>
                    {% for col in row_list %}
                        <td>{{ col }}</td>
                    {% endfor %}

                </tr>
                {% endfor %}
            </tbody>
        </table>

    </div>

{% endblock %}

刷新页面，就没有添加按钮了，效果如下：

那么其他页面，是有的，访问页面：

但是链接不对，得生成url

修改stark-->server-->stark.py，增加reverse_add_url方法

并修改get_add_btn，执行reverse_add_url方法

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType
from django.utils.safestring import mark_safe
from django.urls import reverse

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"

        return mark_safe(
            '<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % self.reverse_edit_url(row))

    def display_del(self, row=None, header=False):
        if header:
            return "删除"

        return mark_safe(
            '<a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % self.reverse_del_url(row))

    def display_edit_del(self, row=None, header=False):
        if header:
            return "操作"
        tpl = """<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a> |
        <a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>
        """ % (self.reverse_edit_url(row), self.reverse_del_url(row),)
        return mark_safe(tpl)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def get_add_btn(self):  # 显示添加按钮
        return mark_safe('<a href="%s" class="btn btn-success">添加</a>' % self.reverse_add_url())

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())

        add_btn = self.get_add_btn()  # 添加按钮返回值,不为空展示,否则不展示

        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        # 注意:要传入add_btn
        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list,'add_btn':add_btn})

    def add_view(self, request):
        return HttpResponse('stark add')

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    def reverse_add_url(self):  # 反向生成添加url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        name = '%s:%s_%s_add' % (namespace, app_label, model_name)
        add_url = reverse(name)
        return add_url

    def reverse_edit_url(self, row):  # 反向生成编辑行内容的url
        app_label = self.model_class._meta.app_label  # app名
        model_name = self.model_class._meta.model_name  # 表名
        namespace = self.site.namespace  # 命名空间
        # 拼接字符串,这里为change
        name = '%s:%s_%s_change' % (namespace, app_label, model_name)
        # 反向生成url,传入参数pk=row.pk
        edit_url = reverse(name, kwargs={'pk': row.pk})
        return edit_url

    def reverse_del_url(self, row):  # 反向生成删除行内容的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        # 注意:这里为del
        name = '%s:%s_%s_del' % (namespace, app_label, model_name)
        del_url = reverse(name, kwargs={'pk': row.pk})
        return del_url

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

访问url:  http://127.0.0.1:8000/stark/app01/userinfo/list/

点击添加按钮，页面跳转

那么页面的添加按钮，链接是不一样的。

五、定制ModelForm

添加数据

问题来了，如果是添加，这个页面应该有几个input框？

每个页面，都需要做表单验证，还有默认选中状态

这就需要用到ModelForm

要为每一个model生成类，还得需要实例化。比如这样

class xxxModelForm(ModelForm):
    class Meta:
        model = xxx
        field = ['id','xx']

修改stark-->server-->stark.py，增加类 AddModelForm，并渲染页面change.html

from django.conf.urls import url
from django.shortcuts import HttpResponse,render
from types import FunctionType
from django.utils.safestring import mark_safe
from django.urls import reverse
from django import forms

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"

        return mark_safe(
            '<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % self.reverse_edit_url(row))

    def display_del(self, row=None, header=False):
        if header:
            return "删除"

        return mark_safe(
            '<a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % self.reverse_del_url(row))

    def display_edit_del(self, row=None, header=False):
        if header:
            return "操作"
        tpl = """<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a> |
        <a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>
        """ % (self.reverse_edit_url(row), self.reverse_del_url(row),)
        return mark_safe(tpl)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def get_add_btn(self):  # 显示添加按钮
        return mark_safe('<a href="%s" class="btn btn-success">添加</a>' % self.reverse_add_url())

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())

        add_btn = self.get_add_btn()  # 添加按钮返回值,不为空展示,否则不展示

        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        # 注意:要传入add_btn
        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list,'add_btn':add_btn})

    def add_view(self, request):
        """
        所有的添加页面,都在此方法处理
        使用ModelForm实现
        :param request:
        :return:
        """

        class AddModelForm(forms.ModelForm):
            class Meta:
                model = self.model_class
                fields = "__all__"

        if request.method == "GET":
            form = AddModelForm()
            return render(request,'stark/change.html',{'form':form})

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    def reverse_add_url(self):  # 反向生成添加url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        name = '%s:%s_%s_add' % (namespace, app_label, model_name)
        add_url = reverse(name)
        return add_url

    def reverse_edit_url(self, row):  # 反向生成编辑行内容的url
        app_label = self.model_class._meta.app_label  # app名
        model_name = self.model_class._meta.model_name  # 表名
        namespace = self.site.namespace  # 命名空间
        # 拼接字符串,这里为change
        name = '%s:%s_%s_change' % (namespace, app_label, model_name)
        # 反向生成url,传入参数pk=row.pk
        edit_url = reverse(name, kwargs={'pk': row.pk})
        return edit_url

    def reverse_del_url(self, row):  # 反向生成删除行内容的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        # 注意:这里为del
        name = '%s:%s_%s_del' % (namespace, app_label, model_name)
        del_url = reverse(name, kwargs={'pk': row.pk})
        return del_url

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

进入目录 stark-->templates-->stark，创建文件change.html

写一个form表单，使用for循环

{% extends 'stark/layout.html' %}
{% block css %}
    <style>
        .change input,select {
            display: block;
            width: 100%;
            height: 34px;
            padding: 6px 12px;
            font-size: 14px;
            line-height: 1.42857143;
            color: #555;
            background-color: #fff;
            background-image: none;
            border: 1px solid #ccc;
            border-radius: 4px;
            -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
            box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
            -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
            -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
            transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
        }
    </style>

{% endblock %}
{% block content %}
    <div style="width: 680px;margin: 0 auto;">
        <form class="change" method="post">
            {% csrf_token %}
            {% for filed in form %}
                <div class="form-group">
                    <label>{{ filed.label }}</label>
                    {{ filed }}
                    {{ filed.errors.0 }}
                </div>
            {% endfor %}

            <button type="submit" class="btn btn-default">Submit</button>
        </form>
    </div>
{% endblock %}

修改app01-->stark.py，注释get_add_btn方法。让它显示添加按钮

from stark.server.stark import site, StarkConfig
from app01 import models

class UserInfoConfig(StarkConfig):
    list_display = ['id', 'username']

class DepartConfig(StarkConfig):
    list_display = [StarkConfig.display_checkbox, 'name', 'tel', 'user', StarkConfig.display_edit_del]

    # def get_add_btn(self):  # 返回None,表示不显示添加按钮
    #     pass

site.register(models.UserInfo, UserInfoConfig)
site.register(models.Depart, DepartConfig)

重启django项目，访问页面：  http://127.0.0.1:8000/stark/app01/depart/list/

点击添加按钮，效果如下：

点击提交，没有任何效果。

修改stark-->server-->stark.py，修改add_view方法。为post时，保存数据

添加reverse_list_url方法，用来做保存之后的跳转

from django.conf.urls import url
from django.shortcuts import HttpResponse,render,redirect
from types import FunctionType
from django.utils.safestring import mark_safe
from django.urls import reverse
from django import forms

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"

        return mark_safe(
            '<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % self.reverse_edit_url(row))

    def display_del(self, row=None, header=False):
        if header:
            return "删除"

        return mark_safe(
            '<a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % self.reverse_del_url(row))

    def display_edit_del(self, row=None, header=False):
        if header:
            return "操作"
        tpl = """<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a> |
        <a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>
        """ % (self.reverse_edit_url(row), self.reverse_del_url(row),)
        return mark_safe(tpl)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def get_add_btn(self):  # 显示添加按钮
        return mark_safe('<a href="%s" class="btn btn-success">添加</a>' % self.reverse_add_url())

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())

        add_btn = self.get_add_btn()  # 添加按钮返回值,不为空展示,否则不展示

        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        # 注意:要传入add_btn
        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list,'add_btn':add_btn})

    def add_view(self, request):
        """
        所有的添加页面,都在此方法处理
        使用ModelForm实现
        :param request:
        :return:
        """

        class AddModelForm(forms.ModelForm):
            class Meta:
                model = self.model_class
                fields = "__all__"

        if request.method == "GET":
            form = AddModelForm()
            return render(request,'stark/change.html',{'form':form})

        form = AddModelForm(request.POST)  # 接收POST数据
        if form.is_valid():  # 验证数据
            form.save()  # 自动保存数据
            # 反向生成url,跳转到列表页面
            return redirect(self.reverse_list_url())
        # 渲染页面,此时会保存表单数据
        return render(request, 'stark/change.html', {'form': form})

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    def reverse_list_url(self):  # 反向生成访问列表的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        name = '%s:%s_%s_changelist' % (namespace, app_label, model_name)
        list_url = reverse(name)
        return list_url

    def reverse_add_url(self):  # 反向生成添加url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        name = '%s:%s_%s_add' % (namespace, app_label, model_name)
        add_url = reverse(name)
        return add_url

    def reverse_edit_url(self, row):  # 反向生成编辑行内容的url
        app_label = self.model_class._meta.app_label  # app名
        model_name = self.model_class._meta.model_name  # 表名
        namespace = self.site.namespace  # 命名空间
        # 拼接字符串,这里为change
        name = '%s:%s_%s_change' % (namespace, app_label, model_name)
        # 反向生成url,传入参数pk=row.pk
        edit_url = reverse(name, kwargs={'pk': row.pk})
        return edit_url

    def reverse_del_url(self, row):  # 反向生成删除行内容的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        # 注意:这里为del
        name = '%s:%s_%s_del' % (namespace, app_label, model_name)
        del_url = reverse(name, kwargs={'pk': row.pk})
        return del_url

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

重启django项目，访问添加页面： http://127.0.0.1:8000/stark/app01/depart/add/

添加一条数据，点击提交

页面会自动跳转，添加的数据，就可以看到了！

这样不够好，其他方法要使用ModelForm呢？比如编辑

修改stark-->server-->stark.py，定义get_model_form_class方法，将add_view方法中的AddModelForm类抽离出来

from django.conf.urls import url
from django.shortcuts import HttpResponse,render,redirect
from types import FunctionType
from django.utils.safestring import mark_safe
from django.urls import reverse
from django import forms

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"

        return mark_safe(
            '<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % self.reverse_edit_url(row))

    def display_del(self, row=None, header=False):
        if header:
            return "删除"

        return mark_safe(
            '<a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % self.reverse_del_url(row))

    def display_edit_del(self, row=None, header=False):
        if header:
            return "操作"
        tpl = """<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a> |
        <a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>
        """ % (self.reverse_edit_url(row), self.reverse_del_url(row),)
        return mark_safe(tpl)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义
    model_form_class = None  # form组件需要的model_class

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def get_add_btn(self):  # 显示添加按钮
        return mark_safe('<a href="%s" class="btn btn-success">添加</a>' % self.reverse_add_url())

    def get_model_form_class(self):
        """
        获取ModelForm类
        :return:
        """
        if self.model_form_class:
            return self.model_form_class

        class AddModelForm(forms.ModelForm):
            class Meta:
                model = self.model_class
                fields = "__all__"

        return AddModelForm

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())

        add_btn = self.get_add_btn()  # 添加按钮返回值,不为空展示,否则不展示

        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        # 注意:要传入add_btn
        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list,'add_btn':add_btn})

    def add_view(self, request):
        """
        所有的添加页面,都在此方法处理
        使用ModelForm实现
        :param request:
        :return:
        """
        # 添加数据,使用ModelForm
        AddModelForm = self.get_model_form_class()

        if request.method == "GET":
            form = AddModelForm()
            return render(request,'stark/change.html',{'form':form})

        form = AddModelForm(request.POST)  # 接收POST数据
        if form.is_valid():  # 验证数据
            form.save()  # 自动保存数据
            # 反向生成url,跳转到列表页面
            return redirect(self.reverse_list_url())
        # 渲染页面,此时会保存表单数据
        return render(request, 'stark/change.html', {'form': form})

    def change_view(self, request, pk):
        return HttpResponse('stark change')

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    def reverse_list_url(self):  # 反向生成访问列表的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        name = '%s:%s_%s_changelist' % (namespace, app_label, model_name)
        list_url = reverse(name)
        return list_url

    def reverse_add_url(self):  # 反向生成添加url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        name = '%s:%s_%s_add' % (namespace, app_label, model_name)
        add_url = reverse(name)
        return add_url

    def reverse_edit_url(self, row):  # 反向生成编辑行内容的url
        app_label = self.model_class._meta.app_label  # app名
        model_name = self.model_class._meta.model_name  # 表名
        namespace = self.site.namespace  # 命名空间
        # 拼接字符串,这里为change
        name = '%s:%s_%s_change' % (namespace, app_label, model_name)
        # 反向生成url,传入参数pk=row.pk
        edit_url = reverse(name, kwargs={'pk': row.pk})
        return edit_url

    def reverse_del_url(self, row):  # 反向生成删除行内容的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        # 注意:这里为del
        name = '%s:%s_%s_del' % (namespace, app_label, model_name)
        del_url = reverse(name, kwargs={'pk': row.pk})
        return del_url

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

测试添加功能，访问以下url:

 http://127.0.0.1:8000/stark/app01/userinfo/list/

点击添加

添加一条数据

发现数据有了

修改 app01-->stark.py，自定义form类，添加DepartModelForm

from stark.server.stark import site, StarkConfig
from app01 import models
from django import forms

class UserInfoConfig(StarkConfig):
    list_display = ['id', 'username']

class DepartModelForm(forms.ModelForm):
    class Meta:
        model = models.Depart
        fields = "__all__"

    def clean_name(self):  # 定义钩子
        print(self.cleaned_data['name'])
        return self.cleaned_data['name']

class DepartConfig(StarkConfig):
    list_display = [StarkConfig.display_checkbox, 'name', 'tel', 'user', StarkConfig.display_edit_del]
    model_form_class = DepartModelForm
    # def get_add_btn(self):  # 返回None,表示不显示添加按钮
    #     pass

site.register(models.UserInfo, UserInfoConfig)
site.register(models.Depart, DepartConfig)

访问url:

 http://127.0.0.1:8000/stark/app01/depart/list/

点击添加按钮，添加一条数据

提交之后，页面跳转，数据就出来了

查看Pycharm控制台输出：

运营部

说明它，走到了clean_name钩子。那么表示，app01-->stark.py自定义的ModelForm类生效了！

编辑数据

修改stark-->server-->stark.py，修改change_view方法

from django.conf.urls import url
from django.shortcuts import HttpResponse,render,redirect
from types import FunctionType
from django.utils.safestring import mark_safe
from django.urls import reverse
from django import forms

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"

        return mark_safe(
            '<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % self.reverse_edit_url(row))

    def display_del(self, row=None, header=False):
        if header:
            return "删除"

        return mark_safe(
            '<a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % self.reverse_del_url(row))

    def display_edit_del(self, row=None, header=False):
        if header:
            return "操作"
        tpl = """<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a> |
        <a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>
        """ % (self.reverse_edit_url(row), self.reverse_del_url(row),)
        return mark_safe(tpl)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义
    model_form_class = None  # form组件需要的model_class

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def get_add_btn(self):  # 显示添加按钮
        return mark_safe('<a href="%s" class="btn btn-success">添加</a>' % self.reverse_add_url())

    def get_model_form_class(self):
        """
        获取ModelForm类
        :return:
        """
        if self.model_form_class:
            return self.model_form_class

        class AddModelForm(forms.ModelForm):
            class Meta:
                model = self.model_class
                fields = "__all__"

        return AddModelForm

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())

        add_btn = self.get_add_btn()  # 添加按钮返回值,不为空展示,否则不展示

        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        # 注意:要传入add_btn
        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list,'add_btn':add_btn})

    def add_view(self, request):
        """
        所有的添加页面,都在此方法处理
        使用ModelForm实现
        :param request:
        :return:
        """
        # 添加数据,使用ModelForm
        AddModelForm = self.get_model_form_class()

        if request.method == "GET":
            form = AddModelForm()
            return render(request,'stark/change.html',{'form':form})

        form = AddModelForm(request.POST)  # 接收POST数据
        if form.is_valid():  # 验证数据
            form.save()  # 自动保存数据
            # 反向生成url,跳转到列表页面
            return redirect(self.reverse_list_url())
        # 渲染页面,此时会保存表单数据
        return render(request, 'stark/change.html', {'form': form})

    def change_view(self, request, pk):
        """
        所有编辑页面
        :param request:
        :param pk:
        :return:
        """
        # 查看单条数据
        obj = self.model_class.objects.filter(pk=pk).first()
        if not obj:
            return HttpResponse('数据不存在')
        # 获取model_form类
        ModelFormClass = self.get_model_form_class()
        if request.method == 'GET':
            # instance表示生成默认值
            form = ModelFormClass(instance=obj)
            # 渲染页面,添加和修改可以共用一个一个模板文件
            return render(request, 'stark/change.html', {'form': form})
        # instance = obj 表示指定给谁做修改
        form = ModelFormClass(data=request.POST, instance=obj)
        if form.is_valid():
            form.save()  # 修改数据
            # 跳转到列表页面
            return redirect(self.reverse_list_url())
        return render(request, 'stark/change.html', {'form': form})

    def delete_view(self, request, pk):
        return HttpResponse('stark delete')

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    def reverse_list_url(self):  # 反向生成访问列表的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        name = '%s:%s_%s_changelist' % (namespace, app_label, model_name)
        list_url = reverse(name)
        return list_url

    def reverse_add_url(self):  # 反向生成添加url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        name = '%s:%s_%s_add' % (namespace, app_label, model_name)
        add_url = reverse(name)
        return add_url

    def reverse_edit_url(self, row):  # 反向生成编辑行内容的url
        app_label = self.model_class._meta.app_label  # app名
        model_name = self.model_class._meta.model_name  # 表名
        namespace = self.site.namespace  # 命名空间
        # 拼接字符串,这里为change
        name = '%s:%s_%s_change' % (namespace, app_label, model_name)
        # 反向生成url,传入参数pk=row.pk
        edit_url = reverse(name, kwargs={'pk': row.pk})
        return edit_url

    def reverse_del_url(self, row):  # 反向生成删除行内容的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        # 注意:这里为del
        name = '%s:%s_%s_del' % (namespace, app_label, model_name)
        del_url = reverse(name, kwargs={'pk': row.pk})
        return del_url

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

注意：添加和编辑，可以共用一个模板文件。因为它们都是用的ModelForm组件

访问页面： http://127.0.0.1:8000/stark/app01/depart/list/

修改一条数据，比如人事部

点击提交，数据就修改过来了

删除数据

删除，得弹出一个模态框，要用户提示才行

如果是一个GET请求，让用户看到一个页面

修改stark-->server-->stark.py，修改delete_view方法

from django.conf.urls import url
from django.shortcuts import HttpResponse,render,redirect
from types import FunctionType
from django.utils.safestring import mark_safe
from django.urls import reverse
from django import forms

class StarkConfig(object):
    def __init__(self,model_class,site):
        self.model_class = model_class
        self.site = site

    def display_checkbox(self,row=None,header=False):  # 显示复选框
        if header:
            # 输出中文
            return "选择"
        # 注意：这里要写row.pk,不能写row.id。你不能保证每一个表的主键都是id
        return mark_safe('<input type="checkbox" name="pk" values="%s"/>' %row.pk)

    def display_edit(self, row=None, header=False):
        if header:
            return "编辑"

        return mark_safe(
            '<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a>' % self.reverse_edit_url(row))

    def display_del(self, row=None, header=False):
        if header:
            return "删除"

        return mark_safe(
            '<a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>' % self.reverse_del_url(row))

    def display_edit_del(self, row=None, header=False):
        if header:
            return "操作"
        tpl = """<a href="%s"><i class="fa fa-edit" aria-hidden="true"></i></a></a> |
        <a href="%s"><i class="fa fa-trash-o" aria-hidden="true"></i></a>
        """ % (self.reverse_edit_url(row), self.reverse_del_url(row),)
        return mark_safe(tpl)

    order_by = []  # 需要排序的字段,由用户自定义
    list_display = []  # 定义显示的列,由用户自定义
    model_form_class = None  # form组件需要的model_class

    def get_order_by(self):  # 获取排序列表
        return self.order_by

    def get_list_display(self):  # 获取显示的列
        return self.list_display

    def get_add_btn(self):  # 显示添加按钮
        return mark_safe('<a href="%s" class="btn btn-success">添加</a>' % self.reverse_add_url())

    def get_model_form_class(self):
        """
        获取ModelForm类
        :return:
        """
        if self.model_form_class:
            return self.model_form_class

        class AddModelForm(forms.ModelForm):
            class Meta:
                model = self.model_class
                fields = "__all__"

        return AddModelForm

    def changelist_view(self, request):
        """
        所有URL查看列表页面
        :param request:
        :return:
        """
        # 根据排序列表进行排序
        queryset = self.model_class.objects.all().order_by(*self.get_order_by())

        add_btn = self.get_add_btn()  # 添加按钮返回值,不为空展示,否则不展示

        list_display = self.list_display  # 定义显示的列
        header_list = []  # 定义头部,用来显示verbose_name
        if list_display:
            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    # 执行函数,默认显示中文
                    verbose_name = name_or_func(self,header=True)
                else:
                    # 获取指定字段的verbose_name
                    verbose_name = self.model_class._meta.get_field(name_or_func).verbose_name

                header_list.append(verbose_name)
        else:
            # 如果list_display为空,添加表名
            header_list.append(self.model_class._meta.model_name)

        body_list = []  # 显示内容

        for row in queryset:
            # 这里的row是对象，它表示表里面的一条数据
            row_list = []  # 展示每一行数据
            if not list_display:  # 如果不在list_display里面
                # 添加对象
                row_list.append(row)
                body_list.append(row_list)
                continue

            for name_or_func in list_display:
                if isinstance(name_or_func,FunctionType):
                    val = name_or_func(self,row=row)  # 执行函数获取,传递row对象
                else:
                    # 使用反射获取对象的值
                    val = getattr(row, name_or_func)

                row_list.append(val)

            body_list.append(row_list)

        # 注意:要传入add_btn
        return render(request,'stark/changelist.html',{'header_list':header_list,'body_list':body_list,'add_btn':add_btn})

    def add_view(self, request):
        """
        所有的添加页面,都在此方法处理
        使用ModelForm实现
        :param request:
        :return:
        """
        # 添加数据,使用ModelForm
        AddModelForm = self.get_model_form_class()

        if request.method == "GET":
            form = AddModelForm()
            return render(request,'stark/change.html',{'form':form})

        form = AddModelForm(request.POST)  # 接收POST数据
        if form.is_valid():  # 验证数据
            form.save()  # 自动保存数据
            # 反向生成url,跳转到列表页面
            return redirect(self.reverse_list_url())
        # 渲染页面,此时会保存表单数据
        return render(request, 'stark/change.html', {'form': form})

    def change_view(self, request, pk):
        """
        所有编辑页面
        :param request:
        :param pk:
        :return:
        """
        # 查看单条数据
        obj = self.model_class.objects.filter(pk=pk).first()
        if not obj:
            return HttpResponse('数据不存在')
        # 获取model_form类
        ModelFormClass = self.get_model_form_class()
        if request.method == 'GET':
            # instance表示生成默认值
            form = ModelFormClass(instance=obj)
            # 渲染页面,添加和修改可以共用一个一个模板文件
            return render(request, 'stark/change.html', {'form': form})
        # instance = obj 表示指定给谁做修改
        form = ModelFormClass(data=request.POST, instance=obj)
        if form.is_valid():
            form.save()  # 修改数据
            # 跳转到列表页面
            return redirect(self.reverse_list_url())
        return render(request, 'stark/change.html', {'form': form})

    def delete_view(self, request, pk):
        """
        所有删除页面
        :param request:
        :param pk:
        :return:
        """
        if request.method == "GET":
            # cancel_url表示用户点击取消时,跳转到列表页面
            return render(request, 'stark/delete.html', {'cancel_url': self.reverse_list_url()})
        # 定位单条数据,并删除!
        self.model_class.objects.filter(pk=pk).delete()
        return redirect(self.reverse_list_url())

    def wrapper(self,func):
        pass

    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name
        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
            url(r'^add/$', self.add_view, name='%s_%s_add' % info),
            url(r'^(?P<pk>\d+)/change/', self.change_view, name='%s_%s_change' % info),
            url(r'^(?P<pk>\d+)/del/', self.delete_view, name='%s_%s_del' % info),
        ]

        extra = self.extra_url()
        if extra:  # 判断变量不为空
            # 扩展路由
            urlpatterns.extend(extra)

        # print(urlpatterns)
        return urlpatterns

    def extra_url(self):  # 额外的路由,由调用者重构
        pass

    def reverse_list_url(self):  # 反向生成访问列表的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        name = '%s:%s_%s_changelist' % (namespace, app_label, model_name)
        list_url = reverse(name)
        return list_url

    def reverse_add_url(self):  # 反向生成添加url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        name = '%s:%s_%s_add' % (namespace, app_label, model_name)
        add_url = reverse(name)
        return add_url

    def reverse_edit_url(self, row):  # 反向生成编辑行内容的url
        app_label = self.model_class._meta.app_label  # app名
        model_name = self.model_class._meta.model_name  # 表名
        namespace = self.site.namespace  # 命名空间
        # 拼接字符串,这里为change
        name = '%s:%s_%s_change' % (namespace, app_label, model_name)
        # 反向生成url,传入参数pk=row.pk
        edit_url = reverse(name, kwargs={'pk': row.pk})
        return edit_url

    def reverse_del_url(self, row):  # 反向生成删除行内容的url
        app_label = self.model_class._meta.app_label
        model_name = self.model_class._meta.model_name
        namespace = self.site.namespace
        # 注意:这里为del
        name = '%s:%s_%s_del' % (namespace, app_label, model_name)
        del_url = reverse(name, kwargs={'pk': row.pk})
        return del_url

    @property
    def urls(self):
        return self.get_urls()

class AdminSite(object):
    def __init__(self):
        self._registry = {}
        self.app_name = 'stark'
        self.namespace = 'stark'

    def register(self,model_class,stark_config=None):
        # not None的结果为Ture
        if not stark_config:
            # 也就是说,当其他应用调用register时,如果不指定stark_config参数
            # 那么必然执行下面这段代码！
            # stark_config和StarkConfig是等值的！都能实例化
            stark_config = StarkConfig

        # 添加键值对,实例化类StarkConfig,传入参数model_class
        # self指的是AdminSite类
        self._registry[model_class] = stark_config(model_class,self)

        # print(self._registry)  # 打印字典
        """
        {
            app01.models.UserInfo:StarkConfig(app01.models.UserInfo)
            app02.models.Role:RoleConfig(app02.models.Role)
        }
        """

        # for k, v in self._registry.items():
        #     print(k,v)

    def get_urls(self):
        urlpatterns = []

        for k, v in self._registry.items():
            # k=modes.UserInfo,v=StarkConfig(models.UserInfo), # 封装：model_class=UserInfo，site=site对象
            # k=modes.Role,v=RoleConfig(models.Role)           # 封装：model_class=Role，site=site对象
            app_label = k._meta.app_label
            model_name = k._meta.model_name
            urlpatterns.append(url(r'^%s/%s/' % (app_label, model_name,), (v.urls, None, None)))

        return urlpatterns

    @property
    def urls(self):
        # 调用get_urls方法
        # self.app_name和self.namespace值是一样的,都是stark
        return self.get_urls(), self.app_name, self.namespace

site = AdminSite()  # 实例化类

进入目录stark-->templates-->stark，创建文件delete.html

{% extends 'stark/layout.html' %}
{% block css %}

{% endblock %}
{% block content %}
    <div >
        <form method="post">
            {% csrf_token %}
            <p>是否确定要删除？</p>
            <a href="{{ cancel_url }}" class="btn btn-default">取消</a>
            <button type="submit" class="btn btn-danger">确 认</button>
        </form>
    </div>
{% endblock %}

访问页面： http://127.0.0.1:8000/stark/app01/depart/list/

点击最后一条数据的删除

提示，是否删除

点击取消，就会跳转到列表页面

点击确认，还是会跳转到列表页面，但是数据删除了

六、自定义列表页面

默认的列表页面，它是table表格展示的。但是我们可以定制列表页面，比如使用面板

进入目录stark-->templates-->stark，创建文件custom_list.html

{% extends 'stark/layout.html' %}

{% block content %}
    <h1>自定义列表页面</h1>
    <div class="bs-example" data-example-id="contextual-panels">
    <div class="panel panel-primary">
      <div class="panel-heading">
        <h3 class="panel-title">Panel title</h3>
      </div>
      <div class="panel-body">
        Panel content
      </div>
    </div>
    <div class="panel panel-success">
      <div class="panel-heading">
        <h3 class="panel-title">Panel title</h3>
      </div>
      <div class="panel-body">
        Panel content
      </div>
    </div>
    <div class="panel panel-info">
      <div class="panel-heading">
        <h3 class="panel-title">Panel title</h3>
      </div>
      <div class="panel-body">
        Panel content
      </div>
    </div>
    <div class="panel panel-warning">
      <div class="panel-heading">
        <h3 class="panel-title">Panel title</h3>
      </div>
      <div class="panel-body">
        Panel content
      </div>
    </div>
    <div class="panel panel-danger">
      <div class="panel-heading">
        <h3 class="panel-title">Panel title</h3>
      </div>
      <div class="panel-body">
        Panel content
      </div>
    </div>
  </div>

{% endblock %}

修改app01-->stark.py，重写changelist_view方法

from stark.server.stark import site, StarkConfig
from app01 import models
from django import forms
from django.shortcuts import render

class UserInfoConfig(StarkConfig):
    list_display = ['id', 'username']

class DepartModelForm(forms.ModelForm):
    class Meta:
        model = models.Depart
        fields = "__all__"

    def clean_name(self):  # 定义钩子
        # print(self.cleaned_data['name'])
        return self.cleaned_data['name']

class DepartConfig(StarkConfig):
    list_display = [StarkConfig.display_checkbox, 'name', 'tel', 'user', StarkConfig.display_edit_del]
    model_form_class = DepartModelForm
    # def get_add_btn(self):  # 返回None,表示不显示添加按钮
    #     pass
    def changelist_view(self, request):  # 重写changelist_view方法
        # 渲染自定义的列表页面
        return render(request,'stark/custom_list.html')

site.register(models.UserInfo, UserInfoConfig)
site.register(models.Depart, DepartConfig)

访问页面： http://127.0.0.1:8000/stark/app01/depart/list/

效果如下：

那么就可以自定义列表页面了！如果没有重写changelist_view方法，它显示默认页面

修改app01-->stark.py，注释掉changelist_view方法

from stark.server.stark import site, StarkConfig
from app01 import models
from django import forms
from django.shortcuts import render

class UserInfoConfig(StarkConfig):
    list_display = ['id', 'username']

class DepartModelForm(forms.ModelForm):
    class Meta:
        model = models.Depart
        fields = "__all__"

    def clean_name(self):  # 定义钩子
        # print(self.cleaned_data['name'])
        return self.cleaned_data['name']

class DepartConfig(StarkConfig):
    list_display = [StarkConfig.display_checkbox, 'name', 'tel', 'user', StarkConfig.display_edit_del]
    model_form_class = DepartModelForm
    # def get_add_btn(self):  # 返回None,表示不显示添加按钮
    #     pass
    # def changelist_view(self, request):  # 重写changelist_view方法
    #     # 渲染自定义的列表页面
    #     return render(request,'stark/custom_list.html')

site.register(models.UserInfo, UserInfoConfig)
site.register(models.Depart, DepartConfig)

刷新页面，效果如下：

七、自定制URL

假设有一个表，不要增删改功能，只要一个列表页面，怎么办？

重写get_urls方法，就可以了

修改app01-->stark.py，重写get_urls方法

from stark.server.stark import site, StarkConfig
from app01 import models
from django import forms
from django.shortcuts import render
from django.conf.urls import url

class UserInfoConfig(StarkConfig):
    list_display = ['id', 'username']

class DepartModelForm(forms.ModelForm):
    class Meta:
        model = models.Depart
        fields = "__all__"

    def clean_name(self):  # 定义钩子
        # print(self.cleaned_data['name'])
        return self.cleaned_data['name']

class DepartConfig(StarkConfig):
    list_display = ['name', 'tel', 'user']
    # model_form_class = DepartModelForm
    def get_add_btn(self):  # 返回None,表示不显示添加按钮
        pass
    # def changelist_view(self, request):  # 重写changelist_view方法
    #     # 渲染自定义的列表页面
    #     return render(request,'stark/custom_list.html')
    def get_urls(self):
        info = self.model_class._meta.app_label, self.model_class._meta.model_name

        urlpatterns = [
            url(r'^list/$', self.changelist_view, name='%s_%s_changelist' % info),
        ]
        return urlpatterns

site.register(models.UserInfo, UserInfoConfig)
site.register(models.Depart, DepartConfig)

注意：

1. list_display里面的字段，不能写其他的函数，比如编辑和删除。因为它们依赖一些东西

2. 必须要定义get_add_btn方法。因为在changelist_view方法中，调用了get_add_btn方法

上面2个注意事项，必须要遵守，否则启动报错，或者页面报错！

重启django项目，访问页面：

http://127.0.0.1:8000/stark/app01/depart/list/

效果如下：

访问添加页面:  http://127.0.0.1:8000/stark/app01/depart/add/

会报错！

如果需要增肌除增删改查以外的url，定义extra_url方法，就可以了！

参考app02-->stark.py里面的extra_url方法

总结：

1. 排序规则
    第一种方法：
        class UserInfoConfig(StarkConfig):
            order_by = ['-id']
            list_display = ['id','title',StarkConfig.display_edit,StarkConfig.display_del]

        site.register(models.UserInfo,UserInfoConfig)
    第二种方法：
        class UserInfoConfig(StarkConfig):
            list_display = ['id','title',StarkConfig.display_edit,StarkConfig.display_del]

            def get_order_by(self):
                return ['-id']
        site.register(models.UserInfo,UserInfoConfig)
2. 显示列
    第一种方法：
        class UserInfoConfig(StarkConfig):
            list_display = ['id','title',StarkConfig.display_edit,StarkConfig.display_del]
        site.register(models.UserInfo,UserInfoConfig)
    第二种方法：
        class UserInfoConfig(StarkConfig):
            order_by = ['-id']

            def get_list_display(self):
                return  ['id','title',StarkConfig.display_edit,StarkConfig.display_del]

3. 添加按钮
        class UserInfoConfig(StarkConfig):
            list_display = ['id','title',StarkConfig.display_edit,StarkConfig.display_del]
            def get_add_btn(self):
                # 显示
                # return mark_safe('<a href="%s" class="btn btn-success">添加</a>' % self.reverse_add_url())

                # 不显示
                return None 

        site.register(models.UserInfo,UserInfoConfig)

4. 定制ModelForm
    第一种方法：
        class DepartModelForm(forms.ModelForm):
            class Meta:
                model = models.Depart
                fields = "__all__"

            def clean_name(self):
                return self.cleaned_data['name']

        class DepartConfig(StarkConfig):
            list_display = [StarkConfig.display_checkbox,'id', 'name', 'tel', 'user',StarkConfig.display_edit_del]
            model_form_class = DepartModelForm
    第二种方法：
        class DepartModelForm(forms.ModelForm):
            class Meta:
                model = models.Depart
                fields = "__all__"

            def clean_name(self):
                return self.cleaned_data['name']

        class DepartConfig(StarkConfig):
            list_display = [StarkConfig.display_checkbox,'id', 'name', 'tel', 'user',StarkConfig.display_edit_del]

            def get_model_form_class(self):

                return DepartModelForm

5. 自定义列表页面
    class DepartConfig(StarkConfig):
        list_display = [StarkConfig.display_checkbox,'id', 'name', 'tel', 'user',StarkConfig.display_edit_del]
        model_form_class = DepartModelForm

        def changelist_view(self, request):
            return HttpResponse('自定义列表页面')

    site.register(models.Depart, DepartConfig)

6. 自定制URL

    class RoleConfig(StarkConfig):

        order_by = ['-id', ]
        list_display = [StarkConfig.display_checkbox,'id','title']

        def get_add_btn(self):
            return False

        def extra_url(self):
            data = [
                url(r'^xxxxxxx/$', self.xxxxxx),
            ]

            return data

        def xxxxxx(self,request):
            print('....')

            return HttpResponse('xxxxx')

        def get_urls(self):
            info = self.model_class._meta.app_label, self.model_class._meta.model_name

            urlpatterns = [
                url(r'^list/$', self.wrapper(self.changelist_view), name='%s_%s_changelist' % info),
            ]

            extra = self.extra_url()
            if extra:
                urlpatterns.extend(extra)

            return urlpatterns

    site.register(models.Role,RoleConfig)

7. 增加URL(除了增删改查以外的url)
    class RoleConfig(StarkConfig):
        order_by = ['-id']  # 有负号,表示降序
        # 定义显示的列
        list_display = [StarkConfig.display_checkbox,'id','title']

        def sk2(self, request):
            return HttpResponse('sk2神仙水')

        def extra_url(self):
            data = [
                url(r'^sk2/$', self.sk2),
            ]
            return data

    site.register(models.Role,RoleConfig)  # 注册表

完整代码，请参考github：

https://github.com/987334176/luffy_stark/archive/v1.1.zip