django admin site配置（二）

ModelAdmin.inlines

将有外键的子类包含进视图，实例：

class Author(models.Model):

   name = models.CharField(max_length=100)

class Book(models.Model):

   author = models.ForeignKey(Author)

   title = models.CharField(max_length=100)

class BookInline(admin.TabularInline):

    model = Book

class AuthorAdmin(admin.ModelAdmin):

    inlines = [

        BookInline,

    ]

list_display = ('first_name', 'last_name')

列表显示字段。记住：他不会显示manytomany字段

特殊用法：

class Person(models.Model):

    first_name = models.CharField(max_length=50)

    birthday = models.DateField()

    def born_in_fifties(self):

        return self.birthday.strftime('%Y')[:3] == '195'

    born_in_fifties.boolean = True

class PersonAdmin(admin.ModelAdmin):

    list_display = ('name', 'born_in_fifties')

将生日为195的设置为true，并且显示对号或者横线。用途，学生成绩是否及格，当大于60设置为true。

list_display = ('__unicode__', 'some_other_field')

colored_first_name.admin_order_field = 'first_name'

设置字段排序

list_display_links = ('first_name', 'last_name')

设置超链接字段

3.ModelAdmin.list_editable

设置列表字段是否可以编辑，常用语文章更改目录，修改某些非外键字段。不过外键也可以修改，如果某个字段设置为links，则该字段不能被修改

# raw_id_fields = ('goods',)
# list_editable=('goods','price','num','producer','in_times','is_active')

list_filter = ('is_staff', 'company')

过滤字段。

自定义过滤字段：

from datetime import date

from django.utils.translation import ugettext_lazy as _

from django.contrib.admin import SimpleListFilter

class DecadeBornListFilter(SimpleListFilter):

    title = _('decade born')#过滤标题

    # 设置url参数，？decade='80s'

    parameter_name = 'decade'

    def lookups(self, request, model_admin):

        """

        值，显示属性

        """

        return (

            ('80s', _('in the eighties')),

            ('90s', _('in the nineties')),

        )

    def queryset(self, request, queryset):

        """

过滤

        """

        if self.value() == '80s':

            return queryset.filter(birthday__gte=date(1980, 1, 1),

                                    birthday__lte=date(1989, 12, 31))

        if self.value() == '90s':

            return queryset.filter(birthday__gte=date(1990, 1, 1),

                                    birthday__lte=date(1999, 12, 31))

class PersonAdmin(ModelAdmin):

    list_filter = (DecadeBornListFilter,)

from django.contrib.admin import BooleanFieldListFilter

class PersonAdmin(ModelAdmin):

    list_filter = (

        ('is_staff', BooleanFieldListFilter),

    )

boolean类型的filter

class FilterWithCustomTemplate(SimpleListFilter):

    template = "custom_template.html"

自定义过滤器模板默认模板 admin/filter.html

list_max_show_all

显示全部最大数据，总数据超过该数据将不显示显示全部

list_per_page

没页显示数据条数

ordering

排序

class ArticleAdmin(admin.ModelAdmin):

    prepopulated_fields = {"字段1": ("ziduan2",)}

当字段1填写数据的同时，字段2也同时被填充，数据一致

class PersonAdmin(admin.ModelAdmin):

    radio_fields = {"group": admin.VERTICAL}

单选按钮，适用于开关（必须填）。如是否有效

class ArticleAdmin(admin.ModelAdmin):

    raw_id_fields = ("newspaper",)

外键选择

from django.utils.html import format_html_join

from django.utils.safestring import mark_safe

class PersonAdmin(ModelAdmin):

    readonly_fields = ('address_report',)

    def address_report(self, instance):

        # assuming get_full_address() returns a list of strings

        # for each line of the address and you want to separate each

        # line by a linebreak

        return format_html_join(

            mark_safe('<br/>'),

            '{0}',

            ((line,) for line in instance.get_full_address()),

        ) or "<span class='errors'>I can't determine this address.</span>"

    # short_description functions like a model field's verbose_name

    address_report.short_description = "Address"

    # in this example, we have used HTML tags in the output

    address_report.allow_tags = True

只读，注意：可以向模板页面一样格式化数据，同时给只读属性增加自定义样式。

6.ModelAdmin.save_as

当是修改数据的时候，将新增一个替换为保存为新的，并且旧的不替换，新增id保存

ModelAdmin.save_on_top

设置保存按钮到顶部！

search_fields = ['foreign_key__related_fieldname']

设置搜索。

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django admin site配置（二）

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