1、首先，在資源網站下載JDOM插件。在工程中加載JDOM_XX.jar。

　　　　

package test;import java.io.FileOutputStream; import java.io.IOException; import java.util.List;import oracle.net.aso.p;import org.jdom2.Attribute; import org.jdom2.Comment; import org.jdom2.Document; import org.jdom2.Element; import org.jdom2.output.Format; import org.jdom2.output.XMLOutputter;import com.actionform.StudentForm; import com.dao.imp.StudentDAO;public class JDomOutput {public static void main(String[] args) throws IOException{//創建文檔Document document = new Document();//創建根元素Element people = new Element("people");//把根元素加入到document中 document.addContent(people); //創建注釋Comment rootComment = new Comment("將數據從程序輸出到XML中！");people.addContent(rootComment);//創建父元素Element person1 = new Element("person");//把元素加入到根元素中 people.addContent(person1);//設置person1元素屬性 person1.setAttribute("id", "001");Attribute person1_gender = new Attribute("gender", "male");person1.setAttribute(person1_gender);Element person1_name = new Element("name");person1_name.setText("劉德華");person1.addContent(person1_name);Element person1_address = new Element("address");person1_address.setText("香港");person1.addContent(person1_address);Element person2 = new Element("person");people.addContent(person2); person2.setAttribute("id", "002").setAttribute("gender","male");//添加屬性，可以一次添加多個屬性 Element person2_name = new Element("name");person2_name.setText("林志穎");person2.addContent(person2_name); Element person2_address = new Element("address");person2_address.setText("臺灣");person2.addContent(person2_address);StudentDAO studentDAO = new StudentDAO(); //自己編寫daoList<StudentForm> result = studentDAO.getAllStudent();if (result!=null) {for (StudentForm student:result) {int i=0;Element[] person=new Element[result.size()];person[i]= new Element("person");people.addContent(person[i]); person[i].setAttribute("id", "1.1").setAttribute("gerder", "male");Element person_name=new Element("sname");person_name.setText(student.getSname());person[i].addContent(person_name);Element person_birthday = new Element("address");person_birthday.setText(student.getBirthday().toString());person[i].addContent(person_birthday);i++;}}//設置xml輸出格式Format format = Format.getPrettyFormat();format.setEncoding("utf-8");//設置編碼format.setIndent(" ");//設置縮進//得到xml輸出流XMLOutputter out = new XMLOutputter(format);//把數據輸出到xml中out.output(document, new FileOutputStream("jdom.xml"));//或者FileWriter } }

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轉載于:https://www.cnblogs.com/Lightning-Kid/p/3593800.html

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