支持多人同时聊天,支持私聊,支持真实IP用户间传送文件,服务器端采用完成端口模型完成，客户端采用WSAAynscSelect模型，底层采用xml对传输协议进行了包装 ！-support people while chatting, Private Chat support, the support of true IP transmission of documents between users, the server port used to complete the model, the client used WSAAynscSelect model, the underlying transmission using xml agreement on the packaging!