小编Ali*_*ton的帖子

考虑下面的一段代码，它获取一个 RSS 提要，然后将其中的图像显示为永远循环的幻灯片：

import QtQuick 2.2
import QtQuick.XmlListModel 2.0

Rectangle {
    id: window
    color: "black"
    width: 800
    height: 480

    PathView {
        anchors.fill: parent

        highlightRangeMode: PathView.StrictlyEnforceRange
        preferredHighlightBegin: 0.5
        preferredHighlightEnd: 0.5
        highlightMoveDuration: 500
        snapMode: PathView.SnapOneItem
        pathItemCount: 3 // only show previous, current, next

        path: Path { // horizontal
            startX: -width; startY: height/2
            PathLine{x: width*2; y: height/2}
        }


        model: XmlListModel {
            source: "http://feeds.bbci.co.uk/news/business/rss.xml"
            query: "/rss/channel/item"
            namespaceDeclarations: "declare namespace media = 'http://search.yahoo.com/mrss/';"
            XmlRole { name: "image"; query: "media:thumbnail/@url/string()" }
        }


        delegate: Image {
            width: …