错误:XmlListModel不是类型

1 qml

我在qml中使用XmlListModel:

xml:

<? xml version="1.0" ?>
<queuelist>
    <queue id="1" name="name" image="image.svg" turn="34" wait="50" />
</queuelist>
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XmlListModel

    XmlListModel {
        id: queueModel
        source: "queuelist.xml"
        query: "/queuelist/queue"
        XmlRole {name: id; query: "@id/string()"}
        XmlRole {name: queue; query: "@name/string()"}
        XmlRole {name: image; query: "@image/string()"}
        XmlRole {name: turn; query: "@turn/string()"}
        XmlRole {name: wait; query: "@wait/string()"}
    }
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QTCreator错误:

file:///home/(...)/3queue-client-list.qml:42 XmlListModel is not a type

/home/(...)/Qt5.0.1/5.0.1/gcc/bin/qmlscene exited with code 255
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小智 7

import QtQuick.XmlListModel 2.0