在衍生类别中覆写时，这个方法允许外部程序码对要求产生影响。

When overridden in a derived class, this method allows outside code to affect the request.

youdao

在衍生类别中覆写时，这个方法允许外部程序码对要求产生影响。

When overridden in a derived class, this method allows outside code to affect the request.

youdao