qml 相互调用

import QtQuick 2.0

Rectangle {
    property alias buttonText1:textItem.text
    x: 100;y:30
    width: 100;height: 30;color: "#ff0000"
    Text {
        id: textItem
        anchors.centerIn: parent
        font.pointSize: 10
        style: Text.Raised
        color: "black"
    }
}

import QtQuick 2.2
import QtQuick.Window 2.10
Window {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    Test1{
        buttonText1:"xxxx"
    }
}