You would have to use a valid user DN in your certificate for that to work.

您必须在证书中使用一个有效的用户DN以使证书正常工作。

youdao

In both cases, this can be a major inconvenience to the valid user.

在任何一种情况下，对于有效用户，这都会造成极大的不便。

youdao

This includes the database name, a valid user id, and password.

其中包括数据库名称、有效用户ID和口令。

youdao

But when you start writing programs, especially when we get to web-based stuff where you want -- to check the user's input -- is it valid, is it an email address, -- and all these different scenarios -- it's actually often useful to be able to just enumerate them or rattle them off using this switching construct instead.

但是当你看是写程序时，特别是当我们,使用基于网络的东西，你想要,检查用户的输入-,它是合法的吗？它是不是一个电子邮箱地址？,所有的这些场景-,实际上它常常是有用的，当你用枚举结构列举它们,或者用它来快速地来说出它们。

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