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Ŀǰ×îÐÂdom4j°üÏÂÔØµØÖ·: http://nchc.dl.sourceforge.net/sourceforge/dom4j/dom4j-1.6.1.zip
½â¿ªºóÓÐÁ½¸ö°ü,½ö²Ù×÷XMLÎĵµµÄ»°°Ñdom4j-1.6.1.jar¼ÓÈ빤³Ì¾Í¿ÉÒÔÁË,Èç¹ûÐèҪʹÓÃXPathµÄ»°»¹ÐèÒª¼ÓÈë°üjaxen-1.1-beta-7.jar.
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1.¶ÁÈ¡XMLÎļþ,»ñµÃdocument¶ÔÏó.
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            Document document = reader.read(new File("input.xml"));
2.½âÎöXMLÐÎʽµÄÎı¾,µÃµ½document¶ÔÏó.
            String text = "<members></members>";
            Document document = DocumentHelper.parseText(text);
3.Ö÷¶¯´´½¨document¶ÔÏó.
            Document document = DocumentHelper.createDocument();
            Element root = document.addElement("members");// ´´½¨¸ù½Úµã
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2.È¡µÃij½ÚµãµÄµ¥¸ö×Ó½Úµã.
Element memberElm=root.element("member");// "member"ÊǽڵãÃû
3.È¡µÃ½ÚµãµÄÎÄ×Ö
String text=memberElm.getText();
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String text=root.elementText("name");Õâ¸öÊÇÈ¡µÃ¸ù½ÚµãϵÄname×Ö½ÚµãµÄÎÄ×Ö.
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List nodes = rootElm.elements("member");
for (Iterator it = nodes.iterator(); it.hasNext();) {
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5.¶Ôij½ÚµãϵÄËùÓÐ×Ó½Úµã½øÐбéÀú.
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                Element element = (Element) it.next();
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