一个用java编写的小的服务器程序,可以用telnet命令访问!有一定的参考价值.-prepared with a small server program, you can use telnet commands to access! There will be some reference value.

所有前端后台代码封装过后十分精简易上手，出错效率低。同时支持移动客户端访问。(All front end background code is very simple and easy to use after encapsulation. Support mobile client access at the same time)