多线程通信,服务器运行后等待客户端连接，连接成功，客服端发送自己的名字及字符串信息给服务器 服务器将收到的字符串信息反向排列后发回给客户端，一个服务器可以对应多个客户端-The multi thread communication and that the server is running waiting for client connection, the connection is successful, the client sends his name and string information to the server. The server will receive string reverse arrangement sent back to the client, a server can be corresponding to a plurality of client