使用类定义增删改查接口

2025-11-15 00:05:27 +08:00
parent 5ba11b59db
commit e3cf21d159
7 changed files with 159 additions and 10 deletions
--- a/db.sqlite3
+++ b/db.sqlite3
--- a/myapp/urls.py
+++ b/myapp/urls.py
@@ -3,7 +3,10 @@ from django.urls import path,include
 from myapp import views

 urlpatterns = [
-    path('user/', views.user),
-    path('user_list/', views.user_list),
+    # path('user/', views.user),
+    path('user/', views.UserView.as_view()),
+    path('user_list', views.user_list),
    path('user_add', views.user_add),
+    path('user_edit', views.user_edit)
+
 ]
--- a/myapp/views.py
+++ b/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})
--- a/templates/user_add.html
+++ b/templates/user_add.html
@@ -7,7 +7,7 @@
 <body>
    <h2>创建用户</h2>
    <form action="/myapp/user/" method="post">
-        {% csrf_token %}  <!-- 关键：添加这行代码，新版默认自带安全组件，提交时要提交csrf的token -->
+    {#        {% csrf_token %}  <!-- 关键：添加这行代码，新版默认自带安全组件，提交时要提交csrf的token -->#}
        姓名:  <input type="text" name="name"> <br>
        城市:  <input type="text" name="city"> <br>
        性别:  <input type="text" name="sex"> <br>
--- a/templates/user_edit.html
+++ b/templates/user_edit.html
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>编辑用户</title>
+    <script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
+</head>
+<body>
+    <h2>编辑用户</h2>
+    <form action="#">
+        <input type="text" name="id" value="{{ user.id }}" style="display: none">
+        姓名:  <input type="text" name="name" value="{{ user.name }}"> <br>
+        城市:  <input type="text" name="city" value="{{ user.city }}"> <br>
+        性别:  <input type="text" name="sex" value="{{ user.sex }}"> <br>
+        年龄:  <input type="text" name="age" value="{{ user.age }}"> <br>
+        <input type="submit" value="提交" id="btn"> <br>
+    </form>
+    <script>
+        $('#btn').click(function (){
+            var id = $('input[name=id]').val();
+            var name = $('input[name=name]').val();
+            var city = $('input[name=city]').val();
+            var sex = $('input[name=sex]').val();
+            var age = $('input[name=age]').val();
+            data = {'id':id, 'name':name, 'city': city, 'sex': sex, 'age': age};
+            $.ajax({
+                type: 'PUT',
+                url: '/myapp/user/',
+                data: data,
+                success: function (result){
+                    if(result.code == 200){
+                        alert('更新用户成功')
+                        location.reload()
+                    }else{
+                        alert('更新用户失败')
+                    }
+                },
+                error: function (){
+                    alert('服务器接口异常')
+                }
+            })
+        })
+    </script>
+</body>
+</html>
--- a/templates/user_list.html
+++ b/templates/user_list.html
@@ -3,29 +3,65 @@
 <head>
    <meta charset="UTF-8">
    <title>用户信息管理</title>
+    <script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
 </head>
 <body>
    <h2>用户信息管理</h2>
    <table border="1">
        <thead>
            <tr>
+                <th style="display: none">ID</th>
                <th>姓名</th>
                <th>城市</th>
                <th>性别</th>
                <th>年龄</th>
+                <th>操作</th>
            </tr>
        </thead>
        <tbody>
            {% for i in users %}
                <tr>
+                    <td style="display: none">{{ i.id }}</td>
                    <td>{{ i.name }}</td>
                    <td>{{ i.city }}</td>
                    <td>{{ i.sex }}</td>
                    <td>{{ i.age }}</td>
+                    <td>
+                        <button> <a href="/myapp/user_edit?id={{ i.id }}" target="_blank">编辑</a> </button>
+                        <button onclick="delUser(this)">删除</button>
+                    </td>
                </tr>
            {% endfor %}
        </tbody>
    </table>
    <button><a href="/myapp/user_add" target="_blank">创建用户</a></button>
 </body>
+<script>
+    function delUser(obj){
+        confirm = confirm("是否删除该用户?")
+        if(confirm){
+            id = $(obj).parent().parent().find("td:eq(0)").text()
+            console.log(id)
+            data = {'id': id}
+            $.ajax({
+                type: 'DELETE',
+                url: '/myapp/user/',
+                data: data,
+                success: function (result){
+                    if(result.code == 200){
+                        alert('删除用户成功')
+                        location.reload()
+                    }else{
+                        alert('删除用户失败')
+                    }
+
+                },
+                error: function (){
+                    alert('服务器接口异常')
+                }
+            })
+        }
+
+    }
+</script>
 </html>
--- a/youdu_devops/settings.py
+++ b/youdu_devops/settings.py
@@ -44,7 +44,7 @@ MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
+    # 'django.middleware.csrf.CsrfViewMiddleware',  暂不考虑安全要素
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',