显示映射列表
netsh interface portproxy show all
将本地的1234端口的数据转发至192.168.x.x上的1234端口
netsh interface portproxy add v4tov4 listenport=1234 connectaddress=192.168.x.x connectport=1234
删除映射
netsh interface portproxy delete v4tov4 listenaddress=192.168.x.x listenport=1234