package firstjdom;import java.io.*;import java.util.*;import org.jdom.*;import org.jdom.input.*;import org.jdom.output.*;import org.jdom.xpath.*; //支持XPath路徑表達(dá)式import org.jaxen.*; //Xpath解析的要用的//XPath找到是經(jīng)理的員工//Xpath的支持 使得XML數(shù)據(jù)庫(kù)的操作更加簡(jiǎn)單//select ... from ... where job='MANAGER'public class JDomXpath {  public static void main(String[] args) throws Exception {    org.jdom.input.SAXBuilder saxb =        new SAXBuilder();    Document doc = saxb.build("f:/company.xml");    //建立一個(gè)XPath表達(dá)式    org.jdom.xpath.XPath xpth =        org.jdom.xpath.XPath.newInstance(        "//emp[@job='MANAGER']");    //選所有滿(mǎn)足XPath表達(dá)式的節(jié)點(diǎn)    List manager = xpth.selectNodes(doc);    for (int i = 0; i < manager.size(); i++) {      //每個(gè)經(jīng)理      Element el = (Element) manager.get(i);      //找到ename      Element eel = (Element) el.getChildren().get(0);      //取出ename的值      System.out.println(eel.getValue());    }  }}