java 读取xml文件

/**

1.jdom.jar读取xml配置文件代码如下

**/import org.jdom.Document;import org.jdom.Element;import org.jdom.JDOMException;import org.jdom.input.SAXBuilder;public static void init() throws JDOMException, IOException{SAXBuilder parser = new SAXBuilder();Document docConfig = parser.build("config.xml");Element elConfig = docConfig.getRootElement();String host = elConfig.getChildText("hostNumber");System.out.println(host);}