QML简单记录

import QtQuick 2.12
import QtQuick.Window 2.12

Window {
    Image{
        id:background
        source: "qrc:/background.png"
    }

    Image {
        id:wheel
        anchors.centerIn: parent //居中
        source: "qrc:/pinwheel.png"

        Behavior on rotation { // behavior on <prooerty>
            NumberAnimation {  // numberanimation 延迟动画
                duration: 250
            }
        }
    }

    MouseArea {
        anchors.fill: parent
        onPressed: { //事件
            wheel.rotation += 90
        }
    }

    visible: true
    width: background.width
    height: background.height
    title: qsTr("Hello World")
}