importQtQuick.Window2.0asMy
的 QtQuick.Window2.0
别名为 My
引用.propertyaliasrectWidth:rect.width
的 rect.width
别名为 rectWidth
引用.import QtQuick 2.5
import QtQuick.Window 2.0 as My
My.Window {
property alias rectWidth: rect.width
visible: true
width: 640
height: 480
title: qsTr("Hello World")
Rectangle {
id: rect
width: 100; height: 200
color: "red"
}
}