Django项目：CRM(客户关系管理系统)--13--05PerfectCRM实现King_admin注册功能获取内存02 

admin_class.model = model
self.registered_sites[app_name][model_name] = admin_class #注册APP

 1 #base_admin.py
 2 #Django admin 注册功能的形式
 3 # sites = {
 4 #     'crm':{
 5 #         'customers':CustomerAdmin,
 6 #         'customerfollowup':CustomerFollowUPAdmin,
 7 #     }
 8 # }
 9 
10 class AdminRegisterException(Exception):  #自定义异常
11     def __init__(self,msg):
12         self.message = msg
13 
14 class BaseAdmin(object):#自定义方法
15     list_display = ()
16 
17 class AdminSite(object):
18     def __init__(self):
19         self.registered_sites = {}   #传到views 里调用
20     def register(self,model,admin_class=None): #默认值None 使用 BaseAdmin
21         app_name = model._meta.app_label#用内置方法获取 APP名字 （crm）
22         model_name = model._meta.model_name#用内置方法获取 表名  (Customer)
23         if app_name not in self.registered_sites:
24             self.registered_sites[app_name] = {} #创建  crm={}
25         if model_name in self.registered_sites[app_name]:
26             raise AdminRegisterException("app [%s] model [%s] has already registered!异常"
27                                                  %(app_name,model_name))#自定义异常，
28         if not  admin_class:
29             admin_class = BaseAdmin  #默认值None 使用 BaseAdmin
30 
31 
32 
33         # self.registered_sites[app_name][model_name] = admin_class #注册APP
34 
35         #registered_sites {'crm': {'customer': <class 'crm.kingadmin.CustomerAdmin'>, 'courserecord': <class 'kingadmin.base_admin.BaseAdmin'>}}
36         #把类名放到class的对象里，然后通过class的对象传到前端
37         admin_class.model = model
38         self.registered_sites[app_name][model_name] = admin_class #注册APP
39 
40 site = AdminSite() #实例化类  单例模式
41 
42 
43 # registered_sites={}
44 # def register(model,admin_class=None): #默认值None 使用 BaseAdmin
45 #     app_name = model._meta.app_label#用内置方法获取 APP名字 （crm）
46 #     model_name = model._meta.model_name#用内置方法获取 表名  (Customer)
47 #     if app_name not in registered_sites:
48 #         registered_sites[app_name] = {} #创建  crm={}
49 #     if model_name in registered_sites[app_name]:
50 #         raise AdminRegisterException("app [%s] model [%s] has already registered!异常"
51 #                                              %(app_name,model_name))#自定义异常
52 #     if not admin_class:
53 #         admin_class = BaseAdmin  #默认值None 使用class BaseAdmin
54 #     registered_sites[app_name][model_name] = admin_class #注册APP
#base_admin.py

 

 

 

<th >{{ admin_class.mode }}{{ admin_class }} </th>

 1 {#app_index.html#}
 2 
 3 {% extends 'king_master/king_index.html' %}
 4 
 5 {% block right-container-content %}
 6 
 7     {#从base_admin传到views，views返回的值items()方法把字典转换成列表#}
 8     {% for app,app_tables in site.registered_sites.items %}
 9 
10         <table class="table table-hover">
11               <thead>
12                 <tr>
13                     <h3>{{ app }}</h3>{#循环APP名字#}
14                 </tr>
15               </thead>
16 
17               <tbody>
18                      {#上层循环的变量值，items()方法把字典转换成列表#}
19                     {% for model_name,admin_class in app_tables.items %}
20                         <tr>
21 {#                              <th >{{ model_name }}{{ admin_class }} </th>#}
22                                 <th >{{ admin_class.mode }}{{ admin_class }} </th>
23                         </tr>
24                     {% endfor %}
25               </tbody>
26         </table>
27     {% endfor %}
28 
29 {% endblock %}
{#app_index.html#}

 

posted @ 2018-03-21 16:54  颜言  阅读(433)  评论(0)  编辑  收藏  举报