定时

import QtQuick 2.0



Rectangle {

    id: myRect

    width: 100; height: 100

    color: "black"



    Timer {

        id: time;

        repeat: true

        interval: 1000 ;

        running: true;

        onTriggered: { myRect.state == 'clicked' ? myRect.state = "" : myRect.state = 'clicked'}

    }



    states: [

        State {

            name: "clicked"

            PropertyChanges { target: myRect; color: "red" }

        }

    ]

}