本模块主要实现聊天室的功能，主要完成如下的几个任务：（1）提供一个用户列表，并不断更新这个用户列表以反映用户的加入和离开，对于用户来说，彼此不需要知道对方的IP地址；（2）只需要建立和服务器的连接，发送一次数据给服务器即可；（3）存储所有的客户端的聊天信息，由服务器把相关的聊天内容转发给其他客户端，这样即使某个客户端掉线，也可以重新通过服务器获取聊天的内容，还可以在此基础上添加管理发送内容、踢人、发布公告等功能，或其他娱乐功能如点歌、视频等。-The main achievement of the module features a chat room, following the completion of several major tasks: (1) provide a list of users, and will update the user list to reflect the users to join and leave, for the user, do not need to know each other s IP addresses　(2) only need to set up and connection to the server, sending the first data to the server can　(3) storage of all of the chat client information, from server to transmit content related to other chat clients, so even if a line customers can access through the server to the content of chat can also be added on the basis of the management to send the contents of the functions of a public notice, or other entertainment features such as song, video and so on.