public bool init_plc_Connect() //与plc连接的初始化 { bool status; //判断返回值是否对的标志 //SocketBase sk = new SocketBase(); if (SocketBase.initSocketBase()) { SocketBase.SocketSend(plcHead1); //Console.ReadKey(); if (SocketBase.SocketRec().Length == 22) { Logger.Infor("handshake first done"); SocketBase.SocketSend(plcHead2); byte[] res = SocketBase.SocketRec(); if (res.Length == 27) { status = true; Logger.Infor("handshake second done,init ok " + res); } else { status = false; Logger.Error("handshake second failed"); } } else { //Console.WriteLine("rec {0}", SocketBase.SocketRec()); Logger.Error("handshake first error,plc init failed"); status = false; } } else { status = false; } return(status); }