为什么 Catch(Exception) 几乎总是一个坏主意? [英] Why is the Catch(Exception) almost always a bad Idea?

问题描述

为什么 catch(Exception) 几乎总是一个坏主意?

Why is the catch(Exception) almost always a bad Idea?

推荐答案

因为当您捕获异常时您应该正确处理它.并且您不能期望在您的代码中处理所有类型的异常.此外，当您捕获所有异常时，您可能会遇到无法处理的异常，并阻止堆栈中的上层代码正确处理它.

Because when you catch exception you're supposed to handle it properly. And you cannot expect to handle all kind of exceptions in your code. Also when you catch all exceptions, you may get an exception that cannot deal with and prevent code that is upper in the stack to handle it properly.

一般原则是尽可能捕捉最具体的类型.

The general principal is to catch the most specific type you can.

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