这是我自己写的一个聊天程序，实现了多线程服务器，同时也是我本人的毕业设计。现在很多学生的毕业设计都是聊天程序，希望我的代码能对你有帮助！-that I write a chat program to realize a multi-threaded server, it is also my graduation design. Now many graduate students are chatting design process, I hope that the code can help you!