Qt报错 QString::arg: Argument missing(转)
转自https://www.jianshu.com/p/4b884a997009以下代码出现错误QString::arg: Argument missingQString sxy=QString("(x=%1y=%2)").arg(pt.x).arg(pt.y);sNum = sNum + sxy.toStdString() + "(" + sName + ")";sMacPos=QString("%1,%1").a