#djangoapi

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Django development Services

Django is a Python-based webframework. It is open source software that is used by developers all around the world to build some of the most successful websites. Django can work with any database.

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[lxgzhw]

DjangoAPI 用户登录验证功能的实现

后台

1 写两个模型表

class UserInfo(models.Model): user = models.CharField(max_length=32) pwd = models.CharField(max_length=64) class UserToken(models.Model): user = models.OneToOneField(to="UserInfo", on_delete=models.CASCADE) token = models.CharField(max_length=64)

2 写登录接口

from rest_framework.views import APIView from rest_framework.response import Response from django.shortcuts…

[lxgzhw]

HTTP协议,DjangoAPI开发的相关概念及基础操作

HTTP协议

1 是建立在TCP之上的

2 一次请求,一次响应,然后断开连接(无状态,短连接)

3 请求和响应

发送: 请求头\r\n\r\n请求体

响应:响应头\r\n\r\n响应体

Django请求生命周期

1 客户端通过url发起请求 声明周期开始

2 请求通过Django中间件进行一系列处理

3 到达路由,路由通过正则匹配后分配给对应的视图

4 视图函数被触发

对请求Request(必须)进行处理

返回一个Response(必须)进行响应

中间可能会涉及到与数据库的交互

中间可能涉及到与模板的交互

5 响应通过中间件进行处理后返回前端

6 前端获取响应并渲染 生命周期结束

wsgi

1 web服务网关接口

2 本质是一种协议,封装了socket

Django的中间件是什么

是Django和前端交互的一扇大门,无论进出,都需要通过这扇门

使用中间件做过什么

内置