如何在Repeater中获取文字内容值

<Repeater>
  <ItemTemplate>
   <Label Text="{Binding text}" />
  </ItemTemplate>
</Repeater>

<Repeater>
  <ItemTemplate>
   <Label Text="{Binding text}" Tap="{Binding onTap}" />
  </ItemTemplate>
</Repeater>

dataSource = {
  items: [
    { text: 'Item 1', onTap: () => this.getItemText('Item 1') },
    { text: 'Item 2', onTap: () => this.getItemText('Item 2') },
    { text: 'Item 3', onTap: () => this.getItemText('Item 3') }
  ],
  getItemText: function(text) {
    console.log('Selected item text:', text);
  }
}