Zi 字媒體

Java解析xml或rss的方法有好幾種 這邊紀錄一下透過javax.xml和org.w3c.dom將xml轉換成DOM tree 範例用xml： 佛祖球球 http://google.com 佛祖球球焦點新聞 Codeigniter http://google.com/article/517.html 行政部 Tue, 03 Jul 2012 00:00:01 +0800 Java： import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.DocumentBuilder; import org.w3c.dom.Document; import org.w3c.dom.NodeList; import org.w3c.dom.Node; import org.w3c.dom.Element; public class ParseXML { public static void main(String argv[]) { try { //定義XML DOM parser解析器 DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance(); //建立DOM document DocumentBuilder dBuilder = dbFactory.newDocumentBuilder(); //引入xml Document doc = dBuilder.parse("http://test.com/test/test.xml"); //針對xml文檔的元素做normalize doc.getDocumentElement().normalize(); //XML根節點 System.out.println("Root Element :" + doc.getDocumentElement().getNodeName()); //取得所有item元素 NodeList nList = doc.getElementsByTagName("item"); for (int temp = 0; temp < nList.getLength(); temp++) { //取得該item裡的元素 Node nNode = nList.item(temp); if (nNode.getNodeType() == Node.ELEMENT_NODE) { Element eElement = (Element) nNode; System.out.println("Title : " + getTagValue("title", eElement)); System.out.println("Link : " + getTagValue("link", eElement)); System.out.println("Creator : " + getTagValue("creator", eElement)); } } } catch (Exception e) { e.printStackTrace(); } } //取得元素的值(過濾掉cdata-section等標記) private static String getTagValue(String sTag, Element eElement) { NodeList nlList = eElement.getElementsByTagName(sTag).item(0).getChildNodes(); Node nValue = (Node) nlList.item(0); return nValue.getNodeValue(); } } Categories: Java 分類 Android AngularJS API Blueprint Chrome Database MySQL DataStructure Docker Editor Vim Firefox Git GitLab Google API Hadoop Language Go Java JavaScript jQuery jQueryChart Node.js Vue PHP Laravel ZendFramework Python Mac Network Cisco DLink Juniper Oauth Server Apache Share Unix FreeBSD Linux WebDesign Bootstrap CSS HTML Wordpress Search 搜尋關鍵字: