用来扫描局域网的所有工作组和计算机，并查看局域网的共享资源，采用线程操作，并有下载功能，和远程重启关闭计算机功能(需授权)-used to scan all LAN Working Group and the computer, and view the LAN to share resources, using threaded operation and downloading functions, and the reopening of closed remote computer fu