会议室预定demo

关于会议室的增删改查

查：

HTML:

login继承django自带的admin用户认证系统

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>


<form action="" method="post">
    {% csrf_token %}
    <p>姓名 <input type="text" name="user"></p>
    <p>密码 <input type="password" name="pwd"></p>
    <input type="submit">
</form>

</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="/static/bootstrap-3.3.7/css/bootstrap.css">
    <script src="/static/jquery-3.2.1.min.js"></script>

    <title>会议室</title>
    <style >
    .active {
        background-color: deepskyblue !important;
        color: black;
        text-align: center;
        font-size: 16px;
    }

    .td_active {
        background-color: greenyellow ;
    }

    .active_other {
        background-color: orange !important;
        color: white;
        text-align: center;
        font-size: 16px;
    }

</style>
</head>

<body>
<div class="container">
    <div class="row">
        <div class="col-md-11">
            <h3>会议室预定</h3>

            <div>
                <table class="table table-bordered table-striped">
                    <thead>
                    <tr>
                        <th>会议室</th>
                        {#  时间 时间元组 #}
                        {% for item in time_choices %}
                            <th>{{ item.1 }}</th>
                        {% endfor %}
                    </tr>
                </thead>
                    <tbody>
                        {{ html|safe }}
                    </tbody>



                </table>
                <button class="btn btn-primary pull-right keep">保存</button>
            </div>

        </div>
    </div>
</div>
<script>

</script>
</body>
</html>

index.

PY:

from django.db import models

# Create your models here.
from django.db import models
from django.contrib.auth.models import AbstractUser

# Create your models here.
class MeetingRoom(models.Model):
    '''会议室 '''
    name = models.CharField(max_length=32,verbose_name="会议室名称")
    num = models.IntegerField()     # 最大开会人数


    def __str__(self):
        return self.name


class UserInfo(AbstractUser):
    tel=models.CharField(max_length=32)


    def __str__(self):
        return self.username

class Book(models.Model):
    '''预定记录表'''
    date = models.DateField(verbose_name="预定日期")
    user = models.ForeignKey(to="UserInfo",verbose_name="预订用户")         # 关联用户
    room = models.ForeignKey(to="MeetingRoom",verbose_name="预定房间")      # 关联房间
    time1 = (
        (1,"8.00"),
        (2,"9.00"),
        (3,"10.00"),
        (4,"11.00"),
        (5,"12.00"),
        (6,"13.00"),
        (7,"14.00"),
        (8,"15.00"),
        (9,"16.00"),
        (10,"17.00"),
        (11,"18.00"),
        (12,"19.00"),
        (13,"20.00"),
    )
    timeline = models.IntegerField(choices=time1,verbose_name="预定时间")    # 存的是数字

    class Meta:
        # 联合唯一，为什么没有user,因为只有有下面3个字段，即表示有预定了
        unique_together = (
            ('room','date','timeline'),
        )


    def __str__(self):
        return str(self.user) + "预定了" + str(self.room)

model

from django.shortcuts import render,redirect

# Create your views here.
from .models import *

def index(request):
    #   取到所有的预定信息
    book_list = Book.objects.all()
    #   取所有的房间信息
    room_list = MeetingRoom.objects.all()
    #   房间的时间段
    time_choices = Book.time1


    # 渲染空的td, 有几个td，取决于有几个时间段
    html=""
    for room in room_list:
        s = "<tr><td>{0}({1})</td>".format(room.name,room.num)
        for item in time_choices:  #  循环所有的时间段单元格 ((1,"8:00"))()
            flag=False      # 标志有否预定信息
            for book in book_list:      # 循环每个预定信息
                print(MeetingRoom.pk)
                if book.room.pk == room.pk and book.timeline == item[0]:

                    flag=True # 通过
                    break
            if flag:
                # 最后循环出来的book是匹配的信息
                if request.user.pk != book.user.pk:  # 不同用户显示不同的样式
                    s += '<td class="active_other item" room_id="{0}" time_id="{1}">{2}</td>'.format(room.pk,item[0],book.user.username)
                else:
                    s += '<td class="active item" room_id="{0}" time_id="{1}">{2}</td>'.format(room.pk,item[0],book.user.username)
            else:
                s += '<td class="item" room_id="{0}" time_id="{1}"></td>'.format(room.pk,item[0])
        s += "</tr>"
        html += s
    return render(request,"index.html",locals())

from django.contrib import auth

def login(request):
    if request.method == "POST":
        user = request.POST.get("user")
        pwd = request.POST.get("pwd")
        user = auth.authenticate(username=user, password=pwd)
        if user:
            auth.login(request, user)   # 注册session
            return redirect("/index/")

    return render(request, "login.html")