易语言即时聊天程序源码，分客户端服务端，支持多用户多界面同时接收消息-Easy language instant messaging program source code, sub-client server-side, to support multi-user interface at the same time to receive messages

即时通信系统，可以同时几个人进行聊天，注册，登陆，上传文件等功能-Instant messaging system, few people chat, registration, login, upload files, etc.