DoesNotExit是ObjectDoesNotExist的实现类。 所以要捕获此异常就需要捕获它的基类ObejctDoesNotExist
from django.core.exceptions import ObjectDoesNotExist
DoesNotExit是ObjectDoesNotExist的实现类。 所以要捕获此异常就需要捕获它的基类ObejctDoesNotExist
from django.core.exceptions import ObjectDoesNotExist