java解析xml之dom解析xml示例分享

时间:2021-05-19

复制代码 代码如下:
package com.test;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class DomXML {

public static void main(String[] args) {
try {
File file = new File("e:/People.xml");
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.parse(file);
Element element = document.getDocumentElement();

List<People> peopleList = new ArrayList<People>();
NodeList peopleNodes = element.getElementsByTagName("People");
for(int i=0;i<peopleNodes.getLength();i++){
People people = new People();
Element peopleElement = (Element) peopleNodes.item(i);
people.setId(peopleElement.getAttribute("id"));
NodeList childPeopleNodes = peopleElement.getChildNodes();
for(int j=0;j<childPeopleNodes.getLength();j++){
//DOM解析时候注意子节点前面的空格也会被解析
if(childPeopleNodes.item(j) instanceof Element){
Element childPeopleElement = (Element) childPeopleNodes.item(j);
if(childPeopleElement.getNodeType()==Node.ELEMENT_NODE){
if(childPeopleElement.getNodeName().equals("Name")){
people.setEnglishName(childPeopleElement.getAttribute("en"));
people.setName(childPeopleElement.getTextContent());
}
else if(childPeopleElement.getNodeName().equals("Age")){
people.setAge(childPeopleElement.getTextContent());
}
}
}
}
peopleList.add(people);
}

for(People people : peopleList){
System.out.println(people.getId()+"\t"+people.getName()+"\t"+people.getEnglishName()+"\t"+people.getAge());
}

} catch (Exception e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}


}
}

声明:本页内容来源网络,仅供用户参考;我单位不保证亦不表示资料全面及准确无误,也不保证亦不表示这些资料为最新信息,如因任何原因,本网内容或者用户因倚赖本网内容造成任何损失或损害,我单位将不会负任何法律责任。如涉及版权问题,请提交至online#300.cn邮箱联系删除。

相关文章