是 NSexption 对 ios 开发者有用, 其子类的类型是什么 [重复]
原文:is NSException is useful for ios developer and what are the types of its Subclasses [duplicate]
原文:is NSException is useful for ios developer and what are the types of its Subclasses [duplicate]
可能重复:iphone - try, catch question 请告诉我使用@try@catchs对ios 开发有用.