VARx建立连接:BOOL;abySendData_0:ARRAY[0..3]OFBYTE:=[76,79,78,13];abyRecvData_0:ARRAY[0..19]OFBYTE;TCP_Server_0:TCP_Server;TCP_Connect_0:TCP_Connect;TCP_Receive_0:TCP_Receive;TCP_Send_0:TCP_Send;iState