版本组件

 url(r‘^(?P<version>[v1|v2]+)/book$‘,VersionView.as_view()),   # 127.0.0.1:8000/v1/book

REST_FRAMEWORK = {
    "DEFAULT_VERSIONING_CLASS": "rest_framework.versioning.URLPathVersioning",
    "DEFAULT_VERSION": "v1",
    "ALLOWED_VERSIONS": ["v1", "v2"],
    "VERSION_PARAM": "version",
    # "DEFAULT_AUTHENTICATION_CLASSES": ["utils.Auth.MyAuth"]
}

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

# Create your views here.

class VersionView(APIView):
    def get(self, request, version):
        print(request.version) # 版本
        print(request.versioning_scheme) # 版本控制类的实例化对象
        if request.version == "v1":
            return Response("v1版本的返回")
        elif request.version == "v2":
            return Response("v2版本的返回")
        return Response("版本不存在")