采用技术：dom4j

需要jar包：dom4j-1.6.1.jar

主类如下----

public class dom4jTestXML {

/**

*

* 方法描述：读取XML文件示例 备 注:

* 创 建 人: bo.gaobo

* 修改日期: @2013-8-20

*/

public static void readXML() {

SAXReader sr = new SAXReader();// 获取读取xml的对象。

try {

Document doc = sr.read("src/Noname1.xml");// 得到xml所在位置。然后开始读取。并将数据放入doc中

Element el_root = doc.getRootElement();// 向外取数据，获取xml的根节点。

System.out.println("根节点：" + el_root.getName());

Iterator it = el_root.elementIterator();// 从根节点下依次遍历，获取根节点下所有子节点

while (it.hasNext()) {// 遍历子节点

Object o = it.next();

Element el_row = (Element) o;

String str = el_row.getText();

Iterator it_row = el_row.elementIterator();

while (it_row.hasNext()) {

Element el_ename = (Element) it_row.next();

System.out.println(el_ename.getName() + "="

+ el_ename.getData());

}

}

} catch (DocumentException e) {

e.printStackTrace();

}

}

/**

*

* 方法描述：写入XML文件并存储 备 注:

* 创 建 人: bo.gaobo

* 修改日期: @2013-8-20

*/

public static void writeToXML() {

Row row1 = new Row();

row1.setCo("co_1");

row1.setComm("comm_1");

row1.setDepno("depno_1");

row1.setEmpno("empno_1");

row1.setEname("ename_1");

row1.setMgr("mgr_1");

row1.setHiredate("2012-03-29");

row1.setJob("job_1");

row1.setSal("sal_1");

Document document = DocumentHelper.createDocument();

Element root = document.addElement("ROWDATA");

Element row = root.addElement("ROW");

row.addElement("CO").addText(row1.getCo());

row.addElement("EMPNO").addText(row1.getEmpno());

row.addElement("ENAME").addText(row1.getEname());

row.addElement("JOB").addText(row1.getJob());

row.addElement("MGR").addText(row1.getMgr());

row.addElement("HIREDATE").addText(row1.getHiredate());

row.addElement("SAL").addText(row1.getSal());

row.addElement("COMM").addText(row1.getComm());

row.addElement("DEPTNO").addText(row1.getDepno());

String filePath = "D:/xmlTest/" + getNowDay() + "/";

String fileName = "row1.xml";

String xmlStr = "";

xmlStr = document.asXML();

try {

Document dcmt = DocumentHelper.parseText(xmlStr);

saveDocumentToFile(dcmt, filePath, fileName, true, "UTF-8");

} catch (DocumentException e) {

e.printStackTrace();

}

}

public static String getNowDay() {

SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");

return format.format(new Date());

}

/**

* 方法描述：存储完整XML文件.

* 备 注:

* 创 建 人: zyl

* 创建日期:2013-3-18

*

* @param document

* @param xmlFilePath

* @param xmlFileName

* @param isTrimText

* @param xmlEncoding

*/

public static void saveDocumentToFile(Document document,

String xmlFilePath, String xmlFileName, boolean isTrimText,

String xmlEncoding) {

if (document == null || xmlFilePath == null || "".equals(xmlFileName)) {

return;

}

File file = new File(xmlFilePath);

// 判断路径是否存在，不存在创建

if (!file.exists()) {

file.mkdirs();

}

// 保存文件

OutputFormat format = null;

if (isTrimText) {

format = OutputFormat.createPrettyPrint();

} else {

format = DomXmlOutputFormat.createPrettyPrint();// 保留xml属性值中的回车换行

}

if (xmlEncoding != null) {

format.setEncoding(xmlEncoding);// GBK

} else {

format.setEncoding("UTF-8");// UTF-8

}

try {

org.dom4j.io.XMLWriter xmlWriter = new org.dom4j.io.XMLWriter(

new FileOutputStream(xmlFilePath + xmlFileName), format);// FileOutputStream可以使UTF-8生效

xmlWriter.write(document);

xmlWriter.close();

} catch (IOException e) {

System.out.println("保存XML异常：" + e.getMessage());

System.out.println("正在保存的文件名是：" + xmlFileName);

}

// 存到文件中结束

}

public static void main(String args[]) {

//  readXML();

writeToXML();

}

}

class Row {

private String co;

private String empno;

private String ename;

private String job;

private String mgr;

private String hiredate;

private String sal;

private String comm;

private String depno;

public String getCo() {

return co;

}

public void setCo(String co) {

this.co = co;

}

public String getEmpno() {

return empno;

}

public void setEmpno(String empno) {

this.empno = empno;

}

public String getEname() {

return ename;

}

public void setEname(String ename) {

this.ename = ename;

}

public String getJob() {

return job;

}

public void setJob(String job) {

this.job = job;

}

public String getHiredate() {

return hiredate;

}

public void setHiredate(String hiredate) {

this.hiredate = hiredate;

}

public String getSal() {

return sal;

}

public void setSal(String sal) {

this.sal = sal;

}

public String getComm() {

return comm;

}

public void setComm(String comm) {

this.comm = comm;

}

public String getDepno() {

return depno;

}

public void setDepno(String depno) {

this.depno = depno;

}

public String getMgr() {

return mgr;

}

public void setMgr(String mgr) {

this.mgr = mgr;

}

}

主类结束----

辅助类，重写了createPrettyPrint()方法----

import org.dom4j.io.OutputFormat;

/**

* 类 描 述：dom4j输出格式化.

* 备      注:

* 创  建   人: yanlei.zhao

* 创建日期: 2011-12-1

*/

public class DomXmlOutputFormat extends OutputFormat {

/**

* 方法描述：dom4j输出格式化..

* 备          注: 保存Document到xml文件时，xml属性中的回车换行需要保留，

*    可是发现在使用过程中发现dom4j自动把回车换行去掉了。特写此类

* 创  建   人: yanlei.zhao

* 创建日期: 2011-12-1

* @return

*/

public static OutputFormat createPrettyPrint() {

OutputFormat format = new OutputFormat();

format.setIndentSize(2);

format.setNewlines(true);

format.setTrimText(false); // 覆盖 父类的  format.setTrimText(true);

format.setPadText(true);

return format;

}

}

辅助类结束----

示例XML文件----

1

7891

sdffff

job

mgr

2010-1-1

5000.00

1000.00

deptno

2

7369

SMITH

CLERK

7902

1980-12-17

800.00

comm

20

示例文件结束----