主要是使用7Zip的开源代码，方法和说明都在里面的txt，过于简单，mfc就不给源码了。压缩的两个办法，解压缩两个办法。-7Zip is mainly used open source code, methods, and instructions are on the inside of the txt, too simple, mfc source did not give up. The two compression methods, unzip two ways.