使用类定义增删改查接口

myapp/views.py

@@ -1,8 +1,12 @@
+from django.db.models.expressions import result
 from django.shortcuts import render
-from django.http import HttpResponse
+from django.http import HttpResponse,JsonResponse
 from myapp.models import User
-# Create your views here.
+from django.http import QueryDict
+from django.views.generic import View  # 用类来写增删改查接口
 
+# 非类写法
+""" 
 def user(request):
     if request.method == 'GET':
         return HttpResponse('获取用户')
@@ -15,15 +19,71 @@ def user(request):
             name=name,
             city=city,
             sex = sex,
-            age = age,
-
+            age = age
         )
         print(request.POST)
         return HttpResponse('创建用户')
+
     elif request.method == 'PUT':
-        return HttpResponse('创建用户')
+        data = QueryDict(request.body)
+        id = data.get('id')
+        # 用户更新
+        user_obj = User.objects.get(id=id)
+        user_obj.name = data.get('name')
+        user_obj.city = data.get('city')
+        user_obj.sex = data.get('sex')
+        user_obj.age = data.get('age')
+        user_obj.save()
+
+        result = {'code': 200, 'msg': '更新用户成功'}
+        return JsonResponse(result)
+
     elif request.method == 'DELETE':
-        return HttpResponse('删除用户')
+        data = QueryDict(request.body)
+        id = data.get("id")
+        User.objects.get(id=id).delete()
+        result = {'code': 200, 'msg': '删除用户成功'}
+        return JsonResponse(result)
+"""
+
+# 类写法
+class UserView(View):
+    def get(self, request):
+        return HttpResponse('获取用户')
+    def post(self, request):
+        name = request.POST.get('name')
+        city = request.POST.get('city')
+        sex = request.POST.get('sex')
+        age = request.POST.get('age')
+        User.objects.create(
+            name=name,
+            city=city,
+            sex = sex,
+            age = age
+        )
+        print(request.POST)
+        return HttpResponse('创建用户')
+
+    def put(self, request):
+        data = QueryDict(request.body)
+        id = data.get('id')
+        # 用户更新
+        user_obj = User.objects.get(id=id)
+        user_obj.name = data.get('name')
+        user_obj.city = data.get('city')
+        user_obj.sex = data.get('sex')
+        user_obj.age = data.get('age')
+        user_obj.save()
+
+        result = {'code': 200, 'msg': '更新用户成功'}
+        return JsonResponse(result)
+
+    def delete(self, request):
+        data = QueryDict(request.body)
+        id = data.get("id")
+        User.objects.get(id=id).delete()
+        result = {'code': 200, 'msg': '删除用户成功'}
+        return JsonResponse(result)
 
 def user_list(request):
     users = User.objects.all()
@@ -32,3 +92,8 @@ def user_list(request):
 
 def user_add(request):
     return render(request, 'user_add.html')
+
+def user_edit(request):
+    id = request.GET.get('id')
+    user_obj = User.objects.get(id=id)
+    return render(request, 'user_edit.html', {'user': user_obj})