java 聊天室程序代码 欢迎您的批评指正，-java chat room code welcome your criticisms corrected, thank you!

用java语言编写的聊天室代码，除了实现了简单的聊天外，还有发送文件的功能，且带界面-Chat room with java language code, in addition to the realization of a simple chat, send-file function, and with the interface! !