dom4j 遍历所有元素和属性

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Dom4j是java中常用读取xml文件的工具，就方便性和性能方面，一定程度要优于JDK中Domcument和SAX解析的。
package Test;import org.dom4j.Attribute;import org.dom4j.Document; import org.dom4j.DocumentException; import org.dom4j.Element; import org.dom4j.io.OutputFormat;import org.dom4j.io.SAXReader;import org.dom4j.io.XMLWriter;import java.io.BufferedWriter;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.OutputStreamWriter;import java.io.StringWriter;import java.util.*; public class XmlTest {     public static void main(String args[]) throws DocumentException {         XmlTest test = new XmlTest();                 Element element;try {element = test.testGetRoot("d:\\MS01003 药品目录 V2.00.xml");        String x= element.asXML();String newfileName = "d:\\MS01003 药品目录 V2.00"+"-新.xml";writeFile(newfileName, formatXml(x, "utf-8", false), "utf-8");        } catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}    }     public Element testGetRoot(String pathName) throws Exception{          SAXReader sax=new SAXReader();//创建一个SAXReader对象          File xmlFile=new File(pathName);//根据指定的路径创建file对象          Document  document=sax.read(xmlFile);//获取document对象,如果文档无节点，则会抛出Exception提前结束          Element root=document.getRootElement();//获取根节点          this.getNodes(root);//从根节点开始遍历所有节点          return root;    }          /**      * 递归遍历方法      *      * @param element      */ public void getNodes(Element node){        //当前节点的名称、文本内容和属性    node.setText("");  List<Attribute> listAttr=node.attributes();//当前节点的所有属性的list    for(Attribute attr:listAttr){//遍历当前节点的所有属性        attr.setText("");  }    //递归遍历当前节点所有的子节点    List<Element> listElement=node.elements();//所有一级子节点的list    for(Element e:listElement){//遍历所有一级子节点        this.getNodes(e);//递归    }  }  public static Document getTempletdoc(String templetName){SAXReader reader = new SAXReader();Document templetdoc = null;try { templetdoc = reader.read(new File(templetName));} catch (DocumentException e) {// TODO Auto-generated catch blocke.printStackTrace();}return templetdoc;} public static String formatXml(String content, String charset, boolean istrans) {          OutputFormat format = OutputFormat.createPrettyPrint();          format.setEncoding(charset);          StringWriter sw = new StringWriter();          XMLWriter xw = new XMLWriter(sw, format);          xw.setEscapeText(istrans); //istrans false这样&符号就不会被转义了         try {                  xw.write(content);                  xw.flush();                  xw.close();          } catch (IOException e) {                  System.out.println("格式化XML文档发生异常，请检查！");                  e.printStackTrace();          }          return sw.toString();  }   public static  void writeFile(String filePathAndName, String fileContent,String charsetName) {       try {           File f = new File(filePathAndName);           if (!f.exists()) {               f.createNewFile();           }           OutputStreamWriter write = new OutputStreamWriter(new FileOutputStream(f),charsetName);           BufferedWriter writer=new BufferedWriter(write);             writer.write(fileContent);           writer.close();       } catch (Exception e) {           System.out.println("写文件内容操作出错");           e.printStackTrace();       }   }   }
jar包免费下载

dom4j-1.6.1.jar
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