jdom读取xml

电玩女神 2022-07-14 09:29 232阅读 0赞

使用jdom读取xml文件

maven 依赖：

package com.zona.dom;
    
    import java.util.List;
    
    import org.jdom.Document;
    import org.jdom.Element;
    import org.jdom.input.SAXBuilder;
    
    /**
     * 
     * @desc: JDOM 生成与解析XML文档
     * @author: zona
     * @time: 2016年12月5日 下午6:53:49
     */
    public class ReadDom {
    
    	public void parserXml(String fileName, String elementName, String idName) throws Throwable {
    		
    		SAXBuilder builder = new SAXBuilder(false);
    		Document document = builder.build(fileName);
    		// 获取根元素
    		Element root = document.getRootElement();
    		// 获取根元素指定名字的子节点， 可以将其请转为Element对象操作属性， 值等。
    		List<Element> list = root.getChildren(elementName);
    		String username = null;
    		String password = null;
    		String driveName = null;
    		String url = null;
    		for (Element element : list) {
    			String idValue = element.getAttributeValue("id");
    			if (!idName.equals(idValue)) {
    				continue;
    			}
    			List<Element> secChildren = element.getChildren();
    			for (Element second : secChildren) {
    				// 获取name属性的值
    				String current = second.getAttributeValue("name");
    				if ("driver-name".equals(current)) {
    					// 获取该元素trim后的值
    					driveName = second.getTextTrim();
    				} else if ("password".equals(current)) {
    					password = second.getTextTrim();
    				} else if ("user".equals(current)) {
    					username = second.getTextTrim();
    				} else if ("url".equals(current)) {
    					url = second.getTextTrim();
    				}
    			}
    		}
    		System.out.println(url + "; " + username + "; " + password + "; " + driveName);
    
    	}
    
    	public static void main(String[] args) throws Throwable {
    		ReadDom demo = new ReadDom();
    		demo.parserXml("dom.xml", "datasource", "oracle");
    	}
    }