Winsock实现的网络聊天室，对熟悉Winsock有很大帮助-Winsock network chat rooms, a great help to people familiar with Winsock

使用CSocket实现的聊天室，另外一种通讯方式-Use CSocket chat rooms, another kind of communication

java SE版的简单聊天室，实现了群聊，私聊，上传下载，查看聊天记录，修改密码等功能。(Java SE version of a simple chat room, has realized the group chat, private chat and upload download, view the chat logs, change passwords, and other functions.)