django rest_framework 用户登录认证

pip install djangorestframework

# MySQL  增加mysql 连接
DATABASES = {
    'default':{
     'ENGINE':'django.db.backends.mysql',
     'HOST':'127.0.0.1',
     'PORT':'3306',
     'NAME':'dbname',  # 数据库名
     'USER':'username',
     'PASSWORD':'password',
     'OPTIONS':{
         'sql_mode': 'traditional'
     },
    }
}

# Application definition

INSTALLED_APPS = [
     ...
    'rest_framework',
    'api',
]

from django.db import models

# Create your models here.

class User(models.Model):
    username = models.CharField(max_length=32,unique=True)
    password = models.CharField(max_length=32)

    class Meta:
        db_table = 'user'
        verbose_name = verbose_name_plural = '用户信息表'

class userToken(models.Model):
    username = models.OneToOneField(to='User',on_delete=models.DO_NOTHING)
    token = models.CharField(max_length=60)

    class Meta:
        db_table =  'user_token'
        verbose_name = verbose_name_plural = '用户token表'

python manage.py makemigrations 

python manage.py migrate

from django.shortcuts import render

# Create your views here.

import time
from api import models
from django.http import JsonResponse
from rest_framework.views import APIView

class AuthView(APIView):

    def post(self,request,*args,**kwargs):

        ret = {'code':1000,'msg':None}
        try:
            # 参数是datadict 形式
            usr = request.data.get('username')
            pas = request.data.get('password')

            # usr = request._request.POST.get('username')
            # pas = request._request.POST.get('password')

            # usr = request.POST.get('username')
            # pas = request.POST.get('password')

            print(usr)
            # obj = models.User.objects.filter(username='yang', password='123456').first()
            obj = models.User.objects.filter(username=usr,password=pas).first()
            print(obj)
            print(type(obj))
            print(obj.username)
            print(obj.password)
            if not obj:
                ret['code'] = '1001'
                ret['msg'] = '用户名或者密码错误'
                return JsonResponse(ret)
                # 里为了简单，应该是进行加密，再加上其他参数
            token = str(time.time()) + usr
            print(token)
            models.userToken.objects.update_or_create(username=obj, defaults={'token': token})
            ret['msg'] = '登录成功'
            #ret['token'] = token
        except Exception as e:
            ret['code'] = 1002
            ret['msg'] = '请求异常'
        return JsonResponse(ret)

from django.contrib import admin
from django.urls import path
from django.conf.urls import url

from api.views import AuthView

urlpatterns = [
    path('admin/', admin.site.urls),
    url(r'^api/v1/auth/$', AuthView.as_view()),
]