数据结构的一个哈夫曼树程序，建立一个文本文件，统计该文件中各字符频率，对各字符进行Huffman编码，将该文件翻译成Huffman编码文件，再将Huffman编码文件翻译成原文件。压缩文件即读文件，统计文件中的字符个数，对文件进行哈夫曼编码和译码，并将编码译码后的字符存储在文件中。-The data structure of a Huffman tree program, create a text file, the statistical character frequency in the file, and Huffman coding of each character, the translation of documents into a Huffman encoded file, and then Huffman coding translation of documents into the original file. Compressed file, read file, the number of characters in the statistics file, the file of the Huffman encoding and decoding, encoding and decoding after the character stored in the file.