通过Huffman编码，实现对文件（如文本文件）的压缩和解压。压缩后生成二进制文件。压缩效率高。C++版数据结构与算法的典型应用。-By Huffman coding, to achieve the file (such as a text file) of the compression and decompression. Compressed binary file generated. Compression efficiency.