windows根据端口号找进程
d:\>netstat -ano | findstr "7777"
TCP 127.0.0.1:7776 127.0.0.1:7777 ESTABLISHED 11764
TCP 127.0.0.1:7777 127.0.0.1:7776 ESTABLISHED 11764
d:\>netstat -ano | findstr "7777"
TCP 127.0.0.1:7776 127.0.0.1:7777 ESTABLISHED 11764
TCP 127.0.0.1:7777 127.0.0.1:7776 ESTABLISHED 11764