采用C++编写的已经封装好的lzw压缩算法，对于常规文件压缩而言，这个压缩算法的速度还是比较不错的，也可以用于嵌入式平台下使用-The use of C++ package has been prepared lzw good compression algorithm, the conventional file compression, this compression algorithm is quite good speed, can also be used for embedded