rest framework的框架实现

#settings.py
REST_FRAMEWORK = {
    ‘DEFAULT_VERSION‘: ‘v1‘,            # 默认版本
    ‘ALLOWED_VERSIONS‘: [‘v1‘, ‘v2‘],   # 允许的版本
    ‘VERSION_PARAM‘: ‘version‘          # URL中获取值的key
}

#urls.py
urlpatterns = [
    url(r‘^users/‘, views.UserView.as_view(),name=‘xxx‘),
]

# views.py

from django.shortcuts import render, HttpResponse
from rest_framework.views import APIView

from rest_framework.versioning import QueryParameterVersioning 

from django import forms 
from django.urls import reverse

class UserView(APIView):
    versioning_class = QueryParameterVersioning
    
    def get(self, request, *args, **kwargs):
        print(request.version)
        print(request.versioning_scheme) #<rest_framework.versioning.URLPathVersioning object at 0x000001330C3135F8>
　　　　 u1=request.versioning_scheme.reverse(viewname=‘xxx‘,request=request)
　　　　 print(u1) #http://127.0.0.1:8000/api/users/?version=v1

　　return HttpResponse(‘用户列表‘)