urls.py

urlpatterns = [   
    url(r'^user$',UserView.as_view()),     # 在資料空中寫入username和token
    url(r'^test',TestAuthView.as_view()),  # 認證測試檢視   http://127.0.0.1:8000/test?token=20609ddd01fe4faeb0ffe7d8d8c39881

]

檢視

from django.shortcuts import render
from rest_framework.views import APIView
from rest_framework.response import Response
from .models import UserInfo
from utils.Auth import MyAuth
import uuid

# Create your views here.

class UserView(APIView):
    def post(self, request):
        # 這相當於註冊
        username = request.data["username"]
        UserInfo.objects.create(username=username, token=uuid.uuid4())
        return Response("ok")


class TestAuthView(APIView):
    authentication_classes = [MyAuth,]
    # 這相當於登入的認證
    def get(self, request):
        print(request.user)
        print(request.auth)
        return Response("認證測試")

自己寫的認證類

from rest_framework.authentication import BaseAuthentication
from rest_framework.exceptions import AuthenticationFailed
from AuthDemo.models import UserInfo
from rest_framework.response import Response


class MyAuth(BaseAuthentication):
    def authenticate(self, request):
        # 第一步先拿到前端傳過來的token
        token = request.query_params["token"]
        # 驗證token是否存在
        user_obj = UserInfo.objects.filter(token=token).first()
        if user_obj:
            return (user_obj, token)
        else:
            raise AuthenticationFailed("認證失敗")