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Java中Dom4j解析XML
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与利用DOM、SAX、JAXP机制来解析xml相比DOM4J表现更优秀，具有性能优异、功能强大和极端易用使用的特点，只要懂得DOM基本概念，就可以通过dom4j的api文档来解析xml.dom4j是一套开源的api。实际项目中，往往选择dom4j来作为解析xml的利器。
sax解析: http://www.cnblogs.com/gavinYang/p/3505543.html
jdom解析: http://www.cnblogs.com/gavinYang/p/3505530.html
dom解析: http://www.cnblogs.com/gavinYang/p/3505523.html
package com.test; import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List; import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader; public class Dom4jXML { public static void main(String[] args) {
SAXReader saxReader = new SAXReader();
File file = new File("e:/People.xml"); try {
Document document = saxReader.read(file);
Element root = document.getRootElement();
List<People> peoples = new ArrayList<People>();
for (Iterator iterator = root.elementIterator(); iterator.hasNext();) {
People people = new People();
Element peopleElement = (Element) iterator.next();
people.setId(peopleElement.attribute("id").getValue());
for (Iterator childIterator = peopleElement.elementIterator(); childIterator.hasNext();) {
Element childPeopleElement = (Element) childIterator.next();
if (childPeopleElement.getName().equals("Name")) {
people.setEnglishName(childPeopleElement.attribute("en").getValue());
people.setName(childPeopleElement.getText());
} else if (childPeopleElement.getName().equals("Age")) {
people.setAge(childPeopleElement.getText());
}
}
peoples.add(people);
} for (People p : peoples) {
System.out.println(p.getId()+"\t"+p.getName()+"\t"+p.getEnglishName()+"\t"+p.getAge());
} } catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
} }
}
People对象
package com.test;
public class People {
private String id;
private String name;
private String englishName;
private String age;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getEnglishName() {
return englishName;
}
public void setEnglishName(String englishName) {
this.englishName = englishName;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
}
xml:
<?xml version="1.0" encoding="UTF-8"?>
<PeopleList>
<People id="1">
<Name en='zhangsan'>张三</Name>
<Age>20</Age>
</People>
<People id="2">
<Name en='lisi'>李四</Name>
<Age>30</Age>
</People>
</PeopleList>
