上面是代码目录结构,

# 这是视图文件views.py

from django.http import JsonResponse
from rest_framework.views import APIView
from .models import User, UserToken
from app01 import get_token


class UserView(APIView):
    def post(self, request):
        response = dict()
        try:
            user_name = request.data['username']
            password = request.data['password']
            user_obj = User.objects.filter(user_name=user_name, password=password).first()
            if user_obj:
                access_token = get_token.generate_token()
                UserToken.objects.update_or_create(user=user_obj, defaults={"token": access_token})
                response["status_code"] = 200
                response["status_message"] = "登录成功"
                response["access_token"] = access_token
                response["user_role"] = user_obj.get_user_type_display()
            else:
                response["status_code"] = 201
                response["status_message"] = "登录失败，用户名或密码错误"
        except Exception as e:
            response["status_code"] = 202
            response["status_message"] = str(e)

        return JsonResponse(response)
# 这是路由分法urls.py

from django.contrib import admin
from django.urls import path, re_path
from app01 import views

urlpatterns = [
    path('admin/', admin.site.urls),
    re_path('user', views.UserView.as_view())
]
# 这是数据库模型类models.py

class User(models.Model):
    """
    存储用户信息
    """
    user_name = models.CharField(max_length=32)
    password = models.EmailField(max_length=32)
    user_type_entry = (
        (1, 'Delux'),
        (2, 'SVIP'),
        (3, "VVIP")
    )
    user_type = models.IntegerField(choices=user_type_entry)

    def __str__(self):
        return self.user_name


class UserToken(models.Model):
    """
    存储用户登录的token值
    """
    user = models.OneToOneField("User", on_delete=models.CASCADE)
    token = models.CharField(max_length=128)


# 这是验证类文件

from rest_framework.authentication import BaseAuthentication
from rest_framework.exceptions import APIException
from .models import UserToken


# 第一步：定义认证类
class UserAuth(BaseAuthentication):

    # 所有的认证逻辑都在authenticate
    def authenticate(self, request):
        user_token = request.query_params.get("token")
        try:
            token = UserToken.objects.get(token=user_token)
            # 后面权限会用到
            return token.user, token.token
        except Exception:
            raise APIException("没有认证")

# 这个是认证类文件内容