import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.io.Writer; import java.util.Iterator; import org.dom4j.Document; import org.dom4j.DocumentException; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.dom4j.io.OutputFormat; import org.dom4j.io.SAXReader; import org.dom4j.io.XMLWriter; /** * @author Icer */ public class Dom4jDemo{ /** * * @param fileName 生成的xml文件名 * @param txtName 包含的对账文件txt文件名 */ public void createXml(String fileName,String txtName) { Document document = DocumentHelper.createDocument(); Element root = document.addElement("root"); Element head = root.addElement("head"); Element type = head.addAttribute("type", "0"); Element code = head.addAttribute("code", "3003"); Element yhlb = head.addElement("yhlb"); yhlb.setText("01"); Element username = head.addElement("username"); username.setText("gsyh"); Element password = head.addElement("password"); password.setText("zheshimima"); Element body = root.addElement("body"); Element data = body.addElement("data"); Element dzwjm = data.addElement("dzwjm"); dzwjm.setText(txtName); try { //写入文件 Writer fileWriter = new FileWriter(fileName); OutputFormat format = OutputFormat.createPrettyPrint(); XMLWriter xmlWriter = new XMLWriter(fileWriter,format); xmlWriter.write(document); xmlWriter.close(); } catch (IOException e) { System.out.println(e.getMessage()); } } /** * * @param fileName 要解析的文件名 * @return 解析xml文件得到的需要对账的文件名 */ public String parserXml(String fileName) { String findFileName = ""; File inputXml = new File(fileName); SAXReader saxReader = new SAXReader(); try { Document document = saxReader.read(inputXml); Element root = document.getRootElement(); for(Iterator i = root.elementIterator();i.hasNext();){ Element head = (Element) i.next(); for(Iterator j = head.elementIterator();j.hasNext();){ Element elem = (Element) j.next(); System.out.println(elem.getName()+":"+elem.getText()); for(Iterator k=elem.elementIterator();k.hasNext();){ Element last = (Element) k.next(); System.out.println(last.getName()+":"+last.getText()); findFileName = last.getText(); } } } } catch (DocumentException e) { System.out.println(e.getMessage()+"hello"); } System.out.println("dom4j parserXml"); return findFileName; } /** * 测试main方法 * @param args */ public static void main(String[] args){ Dom4jDemo demo = new Dom4jDemo(); demo.createXml("D://request.xml","test.txt"); demo.parserXml("e://request.xml"); }