该系统为聊天系统！提供了基于socket套接字编程的模型！分服务器端代码和客户端代码！两端能连接进行通信！并且一个客户端发生的信息，其他的客户端也收到！-The system for the chat system! Sockets provide a socket-based programming model! Sub-server-side code and client code! Can be connected at both ends to communicate! And the