from django.views.generic import ListView,DetailView
from xxxx.models import Model_Name
class Colortag_view(ListView):
 #context_object_name = '如果不指定的話在html頁面中 可以使用object_list獲取' 
 context_object_name = 'object_list'
 #template_name='html頁面所在目錄'
 template_name='caradmin/colortags/colortags.html'
 #自定義查詢方法
 def get_queryset(self):
  #獲取url 中的值 比如http://127.0.0.1/admin/colortags/?name_text=紅色
  print(self.request.GET.dict())
  return Model_Name.objects.filter(**self.request.GET.dict())

from . import views
urlpatterns = [
 path('colortags/', views.Colortag_view.as_view(), name = 'modelname_list'),
]

<!-- 點擊類別跳轉到則展示相應的分類 -->
 $("#p_type").change(function(){
 var type = $(this).val()
 location.href = '/backweb/good_list/?type='+type
 })

<!-- 關鍵字查詢 -->
function select_goods(){
 var context=$('#context').val()
 var type = $('.select').val()
 
 if (context){
  location.href = '/backweb/good_list/?type='+type+'&context='+context
 }else{
  location.href = '/backweb/good_list/?type='+type
 }
 
 
}

def good_list(request):
 if request.method == 'GET':
  page_num = int(request.GET.get('page', 1))
  type = request.GET.get('type',0)
  context = request.GET.get('context','')
  # 如果拿不到分類則將type_id設置為0
  if not type:
   type_id = int(type)
  else:
   type_id = int(type)
  # 所有的分類
  type_list = FoodType.objects.all()
  # 根據(jù)相應的分類查找相應的商品
  # 如果type_id不為0則獲取相應分類的商品
  if not type_id:
   goods = Goods.objects.all()
  else:
   goods = Goods.objects.filter(goods_type_id=type_id)
 
  # 如果有搜索條件則按照搜索條件模糊查詢
  if context:
   goods = Goods.objects.filter(goods_type_id=type_id,productname__contains=context)
   if not goods:
    goods = Goods.objects.filter(goods_type_id=type_id,productname__contains=context[-1])