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我想文字和變量qDebug結合:文字+變量qDebug
QString city_name = "London";
qDebug() << QString("You choose CITY:").arg(city_name);
它不工作,我不知道爲什麼。錯誤是:
QString::arg: Argument missing: You choose CITY:, ?????
我想文字和變量qDebug結合:文字+變量qDebug
QString city_name = "London";
qDebug() << QString("You choose CITY:").arg(city_name);
它不工作,我不知道爲什麼。錯誤是:
QString::arg: Argument missing: You choose CITY:, ?????
添加%1:
QString city_name = "London";
qDebug() << QString("You choose CITY: %1").arg(city_name);