Django 定义模型执行迁移

1，创建应用

Test/app8

 python manage.py startapp app8

2，注册应用

Test/Test/settings.py

3，配置路由

Test/Test/urls.py

from django.contrib import admin
from django.urls import path, includeurlpatterns = [path('app8/', include('app8.urls')),
]

4，添加模型

Test/app8/models.py

from django.db import modelsclass User(models.Model):username = models.CharField(max_length=50, unique=True)email = models.EmailField(unique=True)password = models.CharField(max_length=128)   first_name = models.CharField(max_length=60)last_name = models.CharField(max_length=50)# 添加其他字段，例如：# age = models.IntegerField()# bio = models.TextField()# ...class Meta:db_table = 'users2'def __str__(self):return self.username

5，应用目录下创建urls.py

Test/app7/urls.py

from django.urls import path
from . import viewsurlpatterns = []

6，生成应用迁移文件

python manage.py makemigrations app8

7，执行应用迁移

python manage.py migrate app8

可以看到数据库已经创建了表

8，添加视图函数

Test/app8/views.py

from django.shortcuts import render
from .models import Userdef create_user(request):if request.method == 'POST':username = request.POST.get('username')email = request.POST.get('email')# ... 获取其他字段的值# 创建用户实例user = User(username=username,email=email,# ... 填充其他字段)user.save()  # 保存到数据库# ... 处理成功或失败的逻辑return render(request, '8/1.html')

9，添加应用路由

Test/app8/urls.py

from django.urls import path
from . import viewsurlpatterns = [path('create_user', views.create_user, name='create_user'),
]

10，添加html代码

Test/templates/8/1.html

<!DOCTYPE html>
<html>
<head><title>创建用户</title>
</head>
<body><form method="POST">{% csrf_token %}<label for="username">用户名:</label><input type="text" name="username" id="username"><br><br><label for="email">邮箱:</label><input type="email" name="email" id="email"><br><br># ... 添加其他字段的输入框<button type="submit">创建用户</button></form>
</body>
</html>