朋友写的一个文字编码转换程序，内部有使用说明，非常实用，可以处理大部分阅读乱码情况，比如有UTF-8 GB2312 ISO 等编码转换-A friend wrote a text encoding converter, internal instructions for use, very practical, can handle most of the reading garbage situation, such as a UTF-8 GB2312 ISO and other encodi