urlpatterns = [
     path('register/', views.RegisterView.as_view()), 
    # 注册视图, /user/register/
 ]    

class RegisterView(APIView):
    permission_classes = (AllowAny,)
    def post(self,request):
        """
        接收邮箱和密码, 前端校验两遍一致性, 注册成功后返回成功, 然后用户自行登录获取token
        1. 随机用户名
        2. 生成用户
        3. 设置用户密码
        4. 保存用户
        :param request:
        :return:  {'code':0,'msg':'注册成功'}
        """
        email=request.data.get('email')
        password=request.data.get('password')
        if all([email,password]):
            pass
        else:
            return Response({'code':9999,'msg':'参数不全'})
        rand_name=self.randomUsername()
        user=User(username=rand_name,email=email)
        user.set_password(password)
        user.save()
        return Response({'code':0,'msg':'注册成功'})
    def randomUsername(self):
        d=datetime.datetime.now()
        base='SYL'
        time_str = '%04d%02d%02d%02d%02d' % (d.year, d.month, d.day, d.hour, d.minute)
        rand_num = str(random.randint(10000, 99999))
        return base + time_str + rand_num

# 自定义验证后端 
AUTHENTICATION_BACKENDS = ['user.utils.EmailAuthBackend']

class EmailAuthBackend:
    def authenticate(self,request,username=None,password=None):
        try:
            user=User.objects.get(username=username)

        except Exception as e:
            user=None
        if not user:
            try:
                user=User.objects.get(email=username)
            except Exception as e:
                user=None
        if user and user.check_password(password):
            return user
        else:
            return None

    def get_user(self,user_id):
        try:
            return User.objects.get(pk=user_id)
        except User.DoesNotExist:
            return None

//192.168.56.100:8888/user/register/