基于Windows的网络通信验证程序。第一次运行该程序后，在”socket”菜单中选择”服务器”选项既可启动服务器。接下来，再次运行该程序后在”socket”菜单中选择”客户端”选项既可启动客户端并建立网络连接，允许多客户并发处理。

客户端可向服务器端发送数据并在本地显示，服务器显示接收到的数据并倒序返回。

服务器可向所有连接的客户广播消息。

-The authentication process of a Windows-based network communication. The first time you run the program, " socket"　menu, select the " server"　option can start the server. Next, run the program again in the " socket"　menu, select the " client"　option can start the client and establish a network connection, and allows multiple clients concurrent processing. The client can send data to the server side and on the local display, the server displays the received data and descending return. The server can broadcast messages to all connected clients.