qml 程序退出确认对话框

MessageDialog

    {

        id:myMsgbox

        standardButtons: StandardButton.Yes | StandardButton.No

        modality: Qt.ApplicationModal

        title: "确认退出"

        text:"你确定要退出商旅平台吗？"

        onYes:

        {

            Qt.quit();

        }

    }

    StackView {

        id: stackView

        anchors.fill: parent

        focus: true

        Keys.onReleased:{

            if (event.key === Qt.Key_Back )

            {

                console.log("key pressed");

                console.log("stackView.depth = "+stackView.depth);

                 if(stackView.depth > 1){

                             stackView.pop();

                             event.accepted = true;//消息不再往下传

                 }

                 else

                 {

                     myMsgbox.open();

                     event.accepted = true;//消息不再往下传

                 }

            }

        }

        initialItem: {

            Qt.resolvedUrl("qrc:///qml/UserInfo/QLogin.qml")

        }

}

转载：http://blog.163.com/wslngcjsdxdr@126/blog/static/1621962302014817101237288/