这是java项目的一个升级版本，里面用到目前比较流行的ssh框架，希望对初学者能有所帮助。要部署成功，运行后看看后台代码。-This is an upgraded version of java project, which used the framework of the current ssh more popular, I hope to be helpful for beginners. To deploy a successful, running to see the backgr