XMLList

/*下例创建名为 books 的 XML 属性
并将多个带有 book publisher 和 name 
标签的项添加到名为 books 的节点。
然后调用 showBooksByPublisher() 
方法，该方法接收 XMLList 
并返回与发行人“Addison-Wesley”
匹配的每一项。 */

var books:XML= <books>
               	  <book publisher="Addison-Wesley" name="Design Patterns" />
                  <book publisher="Addison-Wesley" name="The Pragmatic Programmer" />
                  <book publisher="Addison-Wesley" name="Test Driven Development" />
                  <book publisher="Addison-Wesley" name="Refactoring to Patterns" />
                  <book publisher="O'Reilly Media" name="The Cathedral & the Bazaar" />
                  <book publisher="O'Reilly Media" name="Unit Test Frameworks" />
              </books>;
					
showBooksByPublisher("Addison-Wesley");

function showBooksByPublisher(name:String):void
{
	var results:XMLList = books.book;
	showList(results);
	
}

function showList(list:XMLList):void
{
	var item:XML;
	for each (item in list)
	{

		trace("item: " + item.toXMLString());
	}
}