View the port number occupancy and kill the port process under mac/windows

mac to view port occupancy:

lsof -i tcp:7000

Kill the process on the current port:

kill 44934  //这里的44934为PID

Windows checks the port occupancy:

netstat -ano

Find the PID of a port:

netstat -ano|findstr '7000'

Kill the current port process:

taskkill /T /F /PID 8784（端口对应的PID）