[±¸·Ý]javaÖÐXML½âÎöÀûÆ÷ dom4jµÄʹÓüò½é

ҪʹÓÃdom4j¶ÁдXMLÎĵµ,ÐèÒªÏÈÏÂÔØdom4j°ü,dom4j¹Ù·½ÍøÕ¾ÔÚ http://www.dom4j.org/
Ä¿Ç°×îÐÂdom4j°üÏÂÔصØÖ·: 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.
ÒÔÏÂÊÇÏà¹Ø²Ù×÷:
Ò»¡¢Document¶ÔÏóÏà¹Ø
1.¶ÁÈ¡XMLÎļþ,»ñµÃdocument¶ÔÏó.
            SAXReader reader = new SAXReader();
            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
¶þ¡¢½ÚµãÏà¹Ø
1.»ñÈ¡ÎĵµµÄ¸ù½Úµã.
Element rootElm = document.getRootElement();
2.È¡µÃij½ÚµãµÄµ¥¸ö×Ó½Úµã.
Element memberElm=root.element("member");// "member"ÊǽڵãÃû
3.È¡µÃ½ÚµãµÄÎÄ×Ö
String text=memberElm.getText();
Ò²¿ÉÒÔÓÃ:
String text=root.elementText("name");Õâ¸öÊÇÈ¡µÃ¸ù½ÚµãϵÄname×Ö½ÚµãµÄÎÄ×Ö.
4.È¡µÃij½ÚµãÏÂÃûΪ"member"µÄËùÓÐ×ֽڵ㲢½øÐбéÀú.
List nodes = rootElm.elements("member");
for (Iterator it = nodes.iterator(); it.hasNext();) {
   Element elm = (Element) it.next();
   // do something
}
5.¶Ôij½ÚµãϵÄËùÓÐ×Ó½Úµã½øÐбéÀú.
            for(Iterator it=root.elementIterator();it.hasNext();){
                Element element = (Element) it.next();
    &n