该程序可在VC环境下直接运行，输入任意英文文章可实现对文章的霍夫曼编码、译码，并输出各个字母的码字，并计算出编码效率，操作界面良好。-The program can be run directly in the VC environment, the input can be realized on any article in English articles Huffman coding, decoding, and output code word of each letter, and calculate the coding efficiency, a good user interface.