运用哈夫曼编码实现的文件压缩源代码 功能：可以实现文件以二进制输入进行哈夫曼编码在写入另一个重建的文件中实现文件压缩- File compressed source code implemented using the Huffman code Functionality: you can implement files in binary input with the haffman encoding in a file that is written to anothe