【AS3代码】添加/删除XML子元素及属性

package
{
    import flash.display.Sprite;
    import flash.xml.XMLDocument;
    
    public class Main extends Sprite
    {    
        private var xl:XML;
        
        public function Main():void
        {
            xl = new XML(
                "<root>" +
                "<user name='王翔'>a1内容</user>" +
                "<user name='陈璨'>a2内容</user>" +
                "<user name='陈武军'>a3内容</user>" +
                "</root>"
            );
            
            //添加新的子元素、属性/属性的值、子元素的值
            xl.c = new XML();
            xl.c.@url = "http://www.baidu.com";
            xl.c = "C的值!";
            
            //动态删除子元素、子元素属性
            delete xl.user[0];
            delete xl.user.@name[0];
            
            trace(xl);
        }        
    }
}