restful知识点之三restframework认证

rom django.conf.urls import url
from django.contrib import admin
from app02 import views

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^auth/', views.auth.as_view()),
]

urls.py

from django.shortcuts import render
from rest_framework.views import APIView
from django.http import JsonResponse
from app02.models import *
# Create your views here.
#---------------------生成随机字符串
def md5(user):
    import hashlib
    import time
    tt=str(time.time())
    m=hashlib.md5(bytes(user,encoding='utf-8'))
    m.update(bytes(tt,encoding='utf-8'))
    return m.hexdigest()


class auth(APIView):
    def post(self,request):
        ret = {'code': 1000, 'msg': None}
        try:
            user=request._request.POST.get('username')
            pwd=request._request.POST.get('password')
            obj=UserInfo.objects.filter(username=user,passoword=pwd).first()

            if not obj:
                ret['code']=1001
                ret['msg']='用户名密码错误'
            token=md5(user)
            UserToken.objects.update_or_create(user=obj,defaults={'token':token})
            ret['token'] = token#给用户返回到postman里

        except Exception as e:
             ret['code']=1002
             ret['msg']='请求异常'

        return JsonResponse(ret)

views.py

from django.db import models

# Create your models here.
class UserInfo(models.Model):
    user_type_choices=(
        (1,'普通用户'),
        (2,'VIP'),
        (3,'SVIP'),
    )
    user_type=models.IntegerField(choices=user_type_choices)
    username=models.CharField(max_length=32)
    passoword=models.CharField(max_length=32)

class UserToken(models.Model):
    user=models.OneToOneField(to='UserInfo')
    token=models.CharField(max_length=32)

models.py

postman执行：