QML TabView:获取特定标签页的tabIndex

import QtQuick 2.0
import QtQuick.Controls 2.0

TabView {
    id: tabView
    width: 400
    height: 300

    Tab {
        title: "Tab 1"
        Label {
            text: "Content of Tab 1"
        }
    }

    Tab {
        title: "Tab 2"
        Label {
            text: "Content of Tab 2"
        }
    }

    Tab {
        title: "Tab 3"
        Label {
            text: "Content of Tab 3"
        }
    }

    Button {
        text: "Get Tab Index"
        onClicked: {
            var tabIndex = tabView.currentIndex
            console.log("Current Tab Index: " + tabIndex)
        }
    }
}