QMessageBox组件的类名

Only answering to your topic title, if you look into the source code of QMessageBox, every label has a object name, so that should be easy to set different style to them by using ID selector.

  • text: “qt_msgbox_label”

  • icon: “qt_msgboxex_icon_label”

  • informativeText: “qt_msgbox_informativelabel”

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