qDebug()无输出时的解决办法

https://stackoverflow.com/questions/30583577/qt-qdebug-not-working-with-qconsoleapplication-or-qapplication /etc/xdg/QtProject/qtlogging.ini 或 ~/.config/QtProject/qtlogging.ini 文件里添加如下 [Rules] .debug=true qt..debug=false