类似一个聊天工具，分为服务端和客户端，需要先运行服务端。主要是利用Socket进行数据的异步传输，在局域网内互发消息，同进也实现了一个简单的聊天程序。-Similar to a chat tool, divided into server and client, need to run the server. Socket is mainly carried out using the asynchronous data transmission, each message in the LAN