rest framework

阅读数: 次 2021-05-09

1. rest_framework框架简介

它是基于Django的，帮助我们快速开发符合restful规范的接口框架,它主要适用于前后端分离项目。

2. rest_framework框架的安装和配置

1.安装

1	pip install djangorestframework

2.local_settings中配置：

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INSTALLED_APPS = [
    'rest_framework',
]

cbv: 执行dispatch

from django.views import View
from rest_framework.views import APIView
from rest_framework.authentication import BaseAuthentication
from rest_framework import exceptions
from rest_framework.request import  Request
class MyAuthentication(object):
    def authentication(self,request):
        token = request.GET.get('token')
        # 获取用户名或密码，去数据校验
        if not token:
            raise exceptions.AuthenticationFailed('用户认证失败')
        return ('zzz',None)
    def authentication_header(self,val):
        pass

class DogView(APIView):
    authentication_classes = [MyAuthentication,]0
    
    def get(self,request,*args,**kwargs):
        self.dispatch()
        ret = {
            'code':1000,
            'msg':'xxx',
        }
        return HttpResponse(json.dump(ret),status=201)

    def post(self,request,*args,**kwargs):
        return HttpResponse('创建Dog')

    def put(self, request, *args, **kwargs):
        return HttpResponse('更新Dog')

    def delete(self,request,*args,**kwargs):
        return HttpResponse('删除Dog')