自己写的一个基于Java的远程控制程序，基于UDP通信，现在只能在内网中实现，还没有实现UDP打洞技术。-You write a Java-based remote control program, based on UDP traffic, and now only including network, there is no UDP hole punching technology.

实用：用户管理、设备管理、台帐管理、角色管理、权限管理(The function realizes the remote control and management of classroom equipment, realizes equipment management, equipment operation and maintenance management, teaching evaluation, supervision and management, permission man