test nc -u 127.0.0.1 10000 socat -d -d pty,link=/dev/ttytest1,raw pty,link=/dev/ttytest2,raw nc -u -l 127.0.0.1 1026 nc -u -l 127.0.0.1 1027 sudo nc -u -l 127.0.0.1 1021 nc -u 127.0.0.1 1025 http://localhost/public/中船切图/中船切图/中船项目效果图/#artboard0