一个外国大佬封装的7z的压缩解压缩控件，非常好用，这个大佬还写了正则表达式等应用非常广的控件，大家可以下载了解一下-7z compression of a foreign chiefs package unzip controls, very easy to use, this big brother also wrote a very wide control of the regular expressions, you can download to find out