DjangoJWt解密装饰器

# jwt验证
def jwt_isvalid(func):
    def inner(request, *args, **kwargs):
        # 获取token
        token = request.GET.get('token', None)
        # 如果获取到了token
        if token:
            try:
                # 进行解密，如果token过期则返回登录过期
                jwt_decode = jwt.decode(token, 'grayice777', algorithms=['HS256'])
                # 成功解密后将解密的结果加入到request.META中以传递给被装饰函数，被装饰函数只需执行jwt_token = request.META['jwt_token']即可取得解密内容
                request.META['jwt_token'] = jwt_decode

                func(request, *args, **kwargs)
            # token过期，捕获异常，返回响应
            except jwt.exceptions.ExpiredSignatureError:
                return Response({'code': 403, 'msg': '您的登录已过期'})

        # 没有获取到token,返回响应
        else:
            return Response({'code': 403, 'msg': '您的登录已过期'})

    return inner

from django.utils.decorators import method_decorator
class GETSelfInformation(APIView):
    @method_decorator(jwt_isvalid)
    def get(self, request):
        print(request.META['jwt_token'])
        return Response({'code': 200, 'msg': 'Fine'})