NEW JWT

1.settings

import datetime
# jwt载荷中的有效期设置
JWT_AUTH = {
    # 1.token前缀：headers中 Authorization 值的前缀
    'JWT_AUTH_HEADER_PREFIX': 'JWT',
    # 2.token有效期：一天有效
    'JWT_EXPIRATION_DELTA': datetime.timedelta(days=1),
    # 3.刷新token：允许使用旧的token换新token，接口对接需要设置为true
    'JWT_ALLOW_REFRESH': True,
    # 4.token有效期：token在24小时内过期, 可续期token
    'JWT_REFRESH_EXPIRATION_DELTA': datetime.timedelta(hours=24),
    # 5.自定义JWT载荷信息：自定义返回格式，需要手工创建
    'JWT_RESPONSE_PAYLOAD_HANDLER': 'user.utils.jwt_response_payload_handler',
}

2.utils.py

def jwt_response_payload_handler(token, user=None, request=None, role=None):
    """
    自定义jwt认证成功返回数据
    :token  返回的jwt
    :user   当前登录的用户信息[对象]
    :request 当前本次客户端提交过来的数据
    :role 角色
    """
    if user.first_name:
        name = user.first_name
    else:
        name = user.username
    return {
        'authenticated': 'true',
        'id': user.id,
        "role": role,
        'name': name,
        'username': user.username,
        'email': user.email,
        'token': token,
    }

3.serializer.py

class UserSerializer(serializers.ModelSerializer):
    '''
    用户序列化器
    '''
    #显示多对多字段
    roles = serializers.SerializerMethodField(required=False)
    name = serializers.CharField(source='username',required=False)

    class Meta:
        model = User    #具体对那个表进行序列化
        fields = '__all__'  #要操作的字段  __all__代表所有
        read_only_fields = ('id',)
        extra_kwargs = {
            'password':{
                'min_length':3,     #给密码设置最小长度
                'default':'123'     #默认值为123
            }
        }
    def create(self,data):
        print(data)
        username = data.get('username')
        password = data.get('password')
        mobile = data.get('mobile')
        email = data.get('email')
        user = User(username=username,mobile=mobile,email=email)
        user.set_password(password)
        user.save()



        #补充生成记录登录状态的token
        jwt_payload_handler = api_settings.JWT_PAYLOAD_HANDLER
        jwt_encode_handler = api_settings.JWT_ENCODE_HANDLER
        payload = jwt_payload_handler(user)
        token = jwt_encode_handler(payload)
        user.token = token
        return user

4.urls.py

from rest_framework_jwt.views import obtain_jwt_token,refresh_jwt_token

urlpatterns = [
    path('login/', obtain_jwt_token),   # 获取token，登录视图
    path('refresh/', refresh_jwt_token), # 刷新token
]