iphone - 求一个使用GData API解析xml和获取属性的示例代码

Question

当我在我的应用程序中使用 GData API 来解析 xml 时，我如何获取属性及其值？ 想要一段示例代码。非常感谢。 XML:

   <playurls><url islive="0" type="3" bit_stream="1">http://vods.netitv.com//dy2/2010/02/08/cf584b76-3579-4b75-a0c8-f7a473d79f8c.mp4
    </url><url islive="0" type="3" bit_stream="2">http://vods.netitv.com//dy/2010/02/08/965bbc65-8ec0-4c50-98ae-c69a831926cc.mp4
    </url><url islive="0" type="2" bit_stream="1">http://vods.netitv.com//dy2/2010/02/08/cf584b76-3579-4b75-a0c8-f7a473d79f8c.mp4
    </url><url islive="0" type="2" bit_stream="2">http://vods.netitv.com//dy/2010/02/08/965bbc65-8ec0-4c50-98ae-c69a831926cc.mp4
    </url></playurls>

Answer 1

 NSInteger type=[[(GDataXMLNode *)[[urls objectAtIndex:i] attributeForName:@"type"] stringValue] intValue];
 NSInteger bit_stream=[[(GDataXMLNode *)[[urls objectAtIndex:i]attributeForName:@"bit_stream"] stringValue] intValue];