TCP服务器，可以聊天！！！包括客户端和服务器端！-TCP server, you can chat! ! !

用java 写的socket的服务端，具有一定的参考性，大家可以下载看看，不过也是很简单一个东西-Using java to write server-side socket, with a reference resistance, you can download to see, but also a very simple thing