Django-admin管理工具

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'app01.apps.App01Config',
]

        'DIRS': [os.path.join(BASE_DIR,  'templates')],

from django.conf.urls import url
from django.contrib import admin

urlpatterns = [
    url(r'^admin/', admin.site.urls),

]

from .models import *

admin.site.register(models.UserInfo)

class UserAdmin(admin.ModelAdmin):
        list_display = ('user', 'pwd',)
 
    admin.site.register(models.UserInfo, UserAdmin) # 第一个参数可以是列表

    @admin.register(models.UserInfo)                # 第一个参数可以是列表
    class UserAdmin(admin.ModelAdmin):
        list_display = ('user', 'pwd',)

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
    list_display = ('user', 'pwd', 'xxxxx')
 
    def xxxxx(self, obj):
        return "xxxxx"

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
    list_display = ('user', 'pwd', 'xxxxx')
    list_display_links = ('pwd',)

@admin.register(Book)
class BookAdmin(admin.ModelAdmin):
    list_filter = ['publisher',]

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
    list_display = ('user', 'pwd','ug',)
    list_editable = ('ug',)

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
     
    search_fields = ('user', 'pwd')

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
 
    date_hierarchy = 'ctime'

class UserInfoInline(admin.StackedInline): # TabularInline
    extra = 0
    model = models.UserInfo
 
 
class GroupAdminMode(admin.ModelAdmin):
    list_display = ('id', 'title',)
    inlines = [UserInfoInline, ]

@admin.register(modles.UserInfo)
class UserAdmin(admin.ModelAdmin):
 
    # 定制Action行为具体方法
    def func(self, request, queryset):
        print(self, request, queryset)
        print(request.POST.getlist('_selected_action'))
 
    func.short_description = "中文显示自定义Actions"
    actions = [func, ]
 
    # Action选项都是在页面上方显示
    actions_on_top = True
    # Action选项都是在页面下方显示
    actions_on_bottom = False
 
    # 是否显示选择个数
    actions_selection_counter = True

add_form_template = None
change_form_template = None
change_list_template = None
delete_confirmation_template = None
delete_selected_confirmation_template = None
object_history_template = None

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
 
    raw_id_fields = ('FK字段', 'M2M字段',)

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
    fields = ('user',)

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
    exclude = ('user',)

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
    readonly_fields = ('user',)

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
    fieldsets = (
        ('基本数据', {
            'fields': ('user', 'pwd', 'ctime',)
        }),
        ('其他', {
            'classes': ('collapse', 'wide', 'extrapretty'),  # 'collapse','wide', 'extrapretty'
            'fields': ('user', 'pwd'),
        }),
    )

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
    filter_vertical = ("m2m字段",) # 或filter_horizOntal= ("m2m字段",)

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
    ordering = ('-id',)
    或
    def get_ordering(self, request):
        return ['-id', ]

radio_fields = {"ug": admin.VERTICAL} # 或admin.HORIZONTAL

from app01 import models
from django.forms import ModelForm
from django.forms import fields
 
class MyForm(models.ModelForm):
    others = fields.CharField()
 
    class Meta:
        model = models = models.UserInfo
        fields = "__all__"
 
@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
 
    form = MyForm

@admin.register(models.UserInfo)
class UserAdmin(admin.ModelAdmin):
    empty_value_display = "列数据为空时，默认显示"
 
    list_display = ('user','pwd','up')
 
    def up(self,obj):
        return obj.user
    up.empty_value_display = "指定列数据为空时，默认显示"

class Singleton(object):
    _instance = None
    def __new__(cls, *args, **kwargs):
        if not cls._instance:
            cls._instance = super(Singleton, cls).__new__(cls, *args, **kwargs)
        return cls._instance

class MyClass(Singleton):
    a = 1

one = MyClass()

two = MyClass()
one == two

print one is two            　　　　　　　　　　　　#True

print ("id_one:",id(one),"id_two:",id(two))　　　#('id_one:', 78304144L, 'id_two:', 783041

#mysingleton.py

class MySingleton(object):
    def foo(self):
        pass

my_singleton = MySingleton()

from mysingleton import my_singleton
 
my_singleton.foo()

def autodiscover():
    autodiscover_modules('admin', register_to=site)

＃admin.py

class BookAdmin(admin.ModelAdmin):
    list_display = ("title",'publishDate', 'price')

admin.site.register(Book, BookAdmin) 
admin.site.register(Publish)

class AdminSite(object):
    """
    An AdminSite object encapsulates an instance of the Django admin application, ready
    to be hooked in to your URLconf. Models are registered with the AdminSite using the
    register() method, and the get_urls() method can then be used to access Django view
    functions that present a full admin interface for the collection of registered
    models.
    """
......................................................

def register(self, model_or_iterable, admin_class=None, **options):
    """
    Registers the given model(s) with the given admin class.

    The model(s) should be Model classes, not instances.

    If an admin class isn't given, it will use ModelAdmin (the default
    admin options). If keyword arguments are given -- e.g., list_display --
    they'll be applied as options to the admin class.

    If a model is already registered, this will raise AlreadyRegistered.

    If a model is abstract, this will raise ImproperlyConfigured.
    """
    if not admin_class:
        admin_class = ModelAdmin

......................................................

# This global object represents the default admin site, for the common case.
# You can instantiate AdminSite in your own code to create a custom admin site.
site = AdminSite()

class GeoModelAdmin(ModelAdmin):
    """
    The administration options class for Geographic models. Map settings
    may be overloaded from their defaults to create custom maps.
    """

admin.site.register(Book, BookAdmin) 
admin.site.register(Publish)

class ModelAdmin(BaseModelAdmin):pass

def register(self, model_or_iterable, admin_class=None, **options):
    if not admin_class:
            admin_class = ModelAdmin
    # Instantiate the admin class to save in the registry
    self._registry[model] = admin_class(model, self)

print(admin.site._registry)   ＃ 执行结果？

urlpatterns = [
    url(r'^admin/', admin.site.urls),
]

class AdminSite(object):
    
     def get_urls(self):
        from django.conf.urls import url, include
      
        urlpatterns = []

        # Add in each model's views, and create a list of valid URLS for the
        # app_index
        valid_app_labels = []
        for model, model_admin in self._registry.items():
            urlpatterns += [
                url(r'^%s/%s/' % (model._meta.app_label, model._meta.model_name), include(model_admin.urls)),
            ]
            if model._meta.app_label not in valid_app_labels:
                valid_app_labels.append(model._meta.app_label)

      
        return urlpatterns

    @property
    def urls(self):
        return self.get_urls(), 'admin', self.name

from django.shortcuts import HttpResponse
def test01(request):
    return HttpResponse("test01")

def test02(request):
    return HttpResponse("test02")

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^yuan/', ([
                    url(r'^test01/', test01),
                    url(r'^test02/', test02),

                    ],None,None)),

]

from django.conf.urls import url,include
from django.contrib import admin

from django.shortcuts import HttpResponse

def change_list_view(request):
    return HttpResponse("change_list_view")
def add_view(request):
    return HttpResponse("add_view")
def delete_view(request):
    return HttpResponse("delete_view")
def change_view(request):
    return HttpResponse("change_view")

def get_urls():

    temp=[
        url(r"^$".format(app_name,model_name),change_list_view),
        url(r"^add/$".format(app_name,model_name),add_view),
        url(r"^\d+/del/$".format(app_name,model_name),delete_view),
        url(r"^\d+/change/$".format(app_name,model_name),change_view),
    ]

    return temp


url_list=[]

for model_class,obj in admin.site._registry.items():

    model_name=model_class._meta.model_name
    app_name=model_class._meta.app_label

    # temp=url(r"{0}/{1}/".format(app_name,model_name),(get_urls(),None,None))
    temp=url(r"{0}/{1}/".format(app_name,model_name),include(get_urls()))
    url_list.append(temp)

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^yuan/', (url_list,None,None)),
]