問題描述
在 .NET 解決方案中創(chuàng)建異常類時(shí)的最佳做法是:從 System.Exception 或 System.ApplicationException 派生?
What is best practice when creating your exception classes in a .NET solution: To derive from System.Exception or from System.ApplicationException?
推薦答案
根據(jù)框架設(shè)計(jì)指南一書中的 Jeffery Richter:
According to Jeffery Richter in the Framework Design Guidelines book:
System.ApplicationException 是一個(gè)不應(yīng)屬于 .NET 框架的類.
System.ApplicationExceptionis a class that should not be part of the .NET framework.
它的目的是為了有一些意義，因?yàn)槟梢詽撛诘夭东@所有"應(yīng)用程序異常，但沒有遵循該模式，因此它沒有任何價(jià)值.
It was intended to have some meaning in that you could potentially catch "all" the application exceptions, but the pattern was not followed and so it has no value.
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