def url(regex, view, kwargs=None, name=None):

     return re_path(regex, view, kwargs, name)

 def list_view(self,request,*args,**kwargs):

     ###################### 处理action #####################

     action_list = self.action_list

     action_dict = {func.__name__:func.text for func in action_list}

     if request.method == 'POST':

         func_name = request.POST.get('action')

         if func_name and func_name in action_dict:  #逻辑优化，防止被 方法乱入

             func = getattr(self,func_name)

             func(request)

     ###################### 1.搜索(有值才会显示搜索框) #####################

     search_list = self.get_search_list()

     search_value = request.GET.get('q','')

     from django.db.models import Q

     conn = Q()

     conn.connector = 'OR'

     if search_value:

         #Q,用于构造复杂的ORM查询条件

         for item in search_list:

             conn.children.append((item,search_value))

     ######################### 2.获取排序 ###############################

     order_list = self.get_order_list()

     #组合搜索条件字典

     search_dict = self.get_search_group_condition(request)

     #自定义方法筛选后的结果

     queryset = self.get_queryset(**kwargs)

     # print(queryset)

     queryset = queryset.filter(conn).filter(**search_dict).all().order_by(*order_list)

     ###################### 3.处理分页(使用组件) #######################

     all_count = queryset.count()

     query_params = request.GET.copy() # ?=page=1&name='李四'

     query_params._mutable = True  #query_params['page']默认是不可以修改的

     pager = Pagination(

         current_page=request.GET.get('page'),

         all_count=all_count,

         base_url=request.path_info,

         query_params=query_params,

         per_page=self.per_page_count,

     )

     ###################### 4.处理表格 ##############################

     list_display = self.get_list_display()

     # 4.1处理表头

     header_list = []

     if list_display:

         for multi_key in list_display:

             if isinstance(multi_key,FunctionType):  #判断 传入值是否为函数

                 verbose_name = multi_key(self,obj=None,is_header=True)

             else:

                 verbose_name = self.model_class._meta.get_field(multi_key).verbose_name

             header_list.append(verbose_name)

     else:

         header_list.append(self.model_class._meta.model_name)

     # 4.2处理表的内容

     data_list = queryset[pager.start:pager.end]

     body_list = []

     for row in data_list:  #row 是UserInfo object (1)

         row_list = []

         if list_display:

             for multi_key in list_display:

                 if isinstance(multi_key,FunctionType):

                     row_list.append(multi_key(self,row,is_header=False,*args,**kwargs))

                 else:

                     row_list.append(getattr(row,multi_key))  #获取UserInfo object (1)的属性

         else:

             row_list.append(row)

         body_list.append(row_list)

     ###################### 5.处理添加按钮 ##############################

     add_btn = self.get_add_btn(**kwargs)  #是一个URL

     ###################### 6.处理组合搜索 ##############################

     search_group_row_list = []

     search_group = self.get_search_group() # ['gender', 'depart']

     for keyword_object in search_group:  #keyword是一个Option类实例对象

         row = keyword_object.get_queryset_or_tuple(self.model_class,request,*args,**kwargs)

         #返回的是一个SearchGroupRow对象，且可迭代

         search_group_row_list.append(row)

     return render(request,

                   self.list_template or 'list.html',

                   {'body_list':body_list,

                    'header_list':header_list,

                    'pager':pager,

                    'add_btn':add_btn,

                    'search_list':search_list,

                    'search_value':search_value,

                    'action_dict':action_dict,

                    'search_group_row_list':search_group_row_list})

 def add_view(self,request,*args,**kwargs):

     """

     添加视图

     :param request:

     :return:

     """

     model_form = self.get_model_form()

     if request.method == 'GET':

         form = model_form

         return render(request, 'change.html', {'form': form})

     form = model_form(data=request.POST)

     if form.is_valid():

         response =  self.save(request,form,False,*args,**kwargs)

         return response or redirect(self.reverse_list_url(**kwargs))

     return render(request,'change.html',{'form':form})

 def change_view(self,request,pk,*args,**kwargs):

     """

     编辑视图

     :param request:

     :param pk:

     :return:

     """

     checked_obj = self.get_change_object(request, pk, *args, **kwargs)

     if not checked_obj:

         return render(request,'rbac\error.html')

     model_form = self.get_model_form()

     if request.method == 'GET':

         form = model_form(instance=checked_obj)

         return render(request, 'change.html', {'form': form})

     form = model_form(data=request.POST,instance=checked_obj)

     if form.is_valid():

         response = self.save(request, form, True, *args, **kwargs)

         return response or redirect(self.reverse_list_url(**kwargs))

     return render(request, 'change.html', {'form': form})

 def delete_view(self,request,pk,*args,**kwargs):

     """

     删除视图

     :param request:

     :param pk:

     :return:

     """

     checked_obj  = self.model_class.objects.filter(pk=pk).first()

     if not checked_obj:

         return render(request,'rbac\error.html',)

     list_url = self.reverse_list_url(**kwargs)

     if request.method == 'GET':

         return render(request,'delete.html',{'list_url':list_url})

     response = self.delete_object(request, pk, *args, **kwargs)

     return response or redirect(list_url)