connect ECONNREFUSED 127.0.0.1:80 at TCPConnectWrap.afterConnect [as oncomplete] 异常的解决 connect ECONNREFUSED 127.0.0.1:80 at TCPConnectWrap.afterConnect [as oncomplete] 异常的解决 const mysqlConfig = { user:"root", password:"", database:"", host:"localhost", port:"3306" } 确认端口,如果不填默认端口是3306 虚心学习、丰富自己