dom4j创建xml文件

Posted 2020-09-14

import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;

import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.XMLWriter;

/**
* 使用dom4j生成xml文档
* @author Administrator
*
*/
public class Example {
public void build01() throws IOException{

Document document = DocumentHelper.createDocument(); //DocumentHelper提供了创建Document对象的方法
Element rootElement = document.addElement("class");//添加节点信息
Element element = rootElement.addElement("student1"); //这里可以继续添加子节点，也可以指定内容
Element nameElement = element.addElement("studentID");
nameElement.setText("001");
nameElement.addAttribute("name", "sanny");//为节点添加属性值
Element valueElement = element.addElement("score");
valueElement.setText("95");
valueElement.addAttribute("language", "Enghlish");
Element element1 = rootElement.addElement("student2");
Element nameElement1 = element1.addElement("studentID");
nameElement1.setText("002");
nameElement1.addAttribute("name", "wenky");//为节点添加属性值
Element valueElement1 = element1.addElement("score");
valueElement1.setText("95");
valueElement1.addAttribute("language", "China");
System.out.println(document.asXML()); //将document文档对象直接转换成字符串输出
XMLWriter xmlWriter = new XMLWriter(new FileWriter("m.xml")); //dom4j提供了专门写入文件的对象XMLWriter
xmlWriter.write(document);
xmlWriter.flush();
xmlWriter.close();
System.out.println("xml文档添加成功！");

}

public static void main(String[] args) throws IOException {
Example demo = new Example();
demo.build01();
}
}

生成的xml文件：

<?xml version="1.0" encoding="UTF-8"?>
<class>
<student1>
<studentID name="sanny">001</studentID>
<score language="Enghlish">95</score>
</student1>
<student2>
<studentID name="wenky">002</studentID>
<score language="China">95</score>
</student2>
</class>