#base_admin.py

 #Django admin 注册功能的形式

 # sites = {

 #     'crm':{

 #         'customers':CustomerAdmin,

 #         'customerfollowup':CustomerFollowUPAdmin,

 #     }

 # }

 class AdminRegisterException(Exception):  #自定义异常

     def __init__(self,msg):

         self.message = msg

 class BaseAdmin(object):#自定义方法

     list_display = ()

 registered_sites={}

 def register(model,admin_class=None): #默认值None 使用 BaseAdmin

     app_name = model._meta.app_label#用内置方法获取 APP名字 （crm）

     model_name = model._meta.model_name#用内置方法获取 表名  (Customer)

     if app_name not in registered_sites:

         registered_sites[app_name] = {} #创建  crm={}

     if model_name in registered_sites[app_name]:

         raise AdminRegisterException("app [%s] model [%s] has already registered!异常"

                                              %(app_name,model_name))#自定义异常

     if not admin_class:

         admin_class = BaseAdmin  #默认值None 使用class BaseAdmin

     registered_sites[app_name][model_name] = admin_class #注册APP

 #kingadmin.py

 # ————————04PerfectCRM实现King_admin注册功能————————

 from crm import models

 #print("kingadmin crm",models.Customer)

 from king_admin.base_admin import register,BaseAdmin

 #04客户信息表

 class CustomerAdmin(BaseAdmin):#定制Djanago admin

     list_display = ('id', 'qq', 'source', 'consultant', 'content', 'date')  # 显示字段表头

 register(models.Customer,CustomerAdmin)

 register(models.CourseRecord)

 # ————————04PerfectCRM实现King_admin注册功能————————

 #views.py

 from django.shortcuts import render

 # from django import conf #配置文件

 # print("dj conf:",conf) #配置文件

 # print("dj conf:",conf.settings)#配置文件.设置

 from king_admin import app_config #自动调用  动态加载类和函数

 from king_admin.base_admin import registered_sites # registered_sites={}

 def app_index(request):

     # for app in conf.settings.INSTALLED_APPS:

     #     print(app)#循环打印 配置文件.设置.安装应用程序#.Perfectcustomer\settings里的INSTALLED_APPS列表

     print("registered_sites",registered_sites)

     return render(request, 'king_admin/app_index.html')

 #views.py

 from django.shortcuts import render

 # from django import conf #配置文件

 # print("dj conf:",conf) #配置文件

 # print("dj conf:",conf.settings)#配置文件.设置

 from king_admin import app_config #自动调用  动态加载类和函数

 # from king_admin.base_admin import registered_sites # registered_sites={}

 from king_admin import base_admin

 def app_index(request):

     # for app in conf.settings.INSTALLED_APPS:

     #     print(app)#循环打印 配置文件.设置.安装应用程序#.Perfectcustomer\settings里的INSTALLED_APPS列表

     # print("registered_sites",registered_sites)

     # return render(request, 'king_admin/app_index.html')

     print("registered_sites", base_admin.registered_sites)

     return render(request, 'king_admin/app_index.html')