能对TXT文档中的字符进行哈弗曼编码，txt文档可以自己编写（比如一篇英语短文）并输出编码后的文件，输出文件可以自己命名。之后还能再次输入编码后的文件，选择解码来进行解码，在输出会txt文档，检查后输出的txt文档与先前压缩前的txt文档的内容是一样的。-TXT document can be Hafu Man character encoding, txt documents can write your own (such as an English essay), and the output encoded file, output file name can be their own. Can re-enter after the encoded file, select the decoding to decode the txt document in the output, the output of the txt document inspection before compression txt with the previous contents of the document is the same.