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trace(xml.text()[0]);//Êä³ö£ºtext1
trace(xml.text()[1]);//Êä³ö£º text2
trace(xml.child(1).toXMLString());//Êä³ö£º<bar>barText1</bar>
trace(xml.child(1).toString());//Êä³ö£ºbarText1
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