java解析xml文件并输出

时间:2023-09-07 20:29:26

使用java解析xml文件,通过dom4j,代码运行前需先导入dom4j架包。

ParseXml类代码如下:

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 ParseXml {
public void read() throws Exception {
SAXReader reader = new SAXReader();
Document document = reader.read(new File("src/test.xml"));
Element root = document.getRootElement();
// 将解析出来的allresource下的resourceitem放在list中
@SuppressWarnings("rawtypes")
List list = root.elements("resourceitem");
// 创建source存放每一个resourceitem中资源
List<XmlBean> source = new ArrayList<XmlBean>();
// 将resourceitem中的各项解析出来,通过XmlBean存放到source中
for (@SuppressWarnings("rawtypes")
Iterator i = list.iterator(); i.hasNext();) {
Element resourceitem = (Element) i.next();
String id = resourceitem.element("id").getText();
String title = resourceitem.element("title").getText();
String keywords = resourceitem.element("keywords").getText();
String kind = resourceitem.element("kind").getText();
String describe = resourceitem.element("describe").getText();
String date = resourceitem.element("date").getText();
String url = resourceitem.element("url").getText();
String author = resourceitem.element("author").getText();
String publisher = resourceitem.element("publisher").getText();
XmlBean bean = new XmlBean();
bean.setId(id);
bean.setTitle(title);
bean.setKeywords(keywords);
bean.setKind(kind);
bean.setDescribe(describe);
bean.setDate(date);
bean.setUrl(url);
bean.setAuthor(author);
bean.setPublisher(publisher);
source.add(bean);
}
//这里只选两个解析出的结果进行输出
for (int i = 0; i < source.size(); i++) {
System.out.println("date数据为:"+source.get(i).getDate());
//System.out.println("url数据为:"+source.get(i).getUrl());
}
for (int i = 0; i < source.size(); i++) {
//System.out.println("date数据为:"+source.get(i).getDate());
System.out.println("url数据为:"+source.get(i).getUrl());
}
} //主函数调用上面read()方法
public static void main(String[] args){
try {
new ParseXml().read();
} catch (Exception e){
e.printStackTrace();
}
}
}

XmlBean类代码如下:

public class XmlBean {
private String id;
private String title;
private String keywords;
private String kind;
private String describe;
private String date;
private String url;
private String author;
public String getKeywords() {
return keywords;
} public void setKeywords(String keywords) {
this.keywords = keywords;
} public String getKind() {
return kind;
} public void setKind(String kind) {
this.kind = kind;
} public String getDescribe() {
return describe;
} public void setDescribe(String describe) {
this.describe = describe;
} public String getDate() {
return date;
} public void setDate(String date) {
this.date = date;
} public String getUrl() {
return url;
} public void setUrl(String url) {
this.url = url;
} public String getAuthor() {
return author;
} public void setAuthor(String author) {
this.author = author;
} public String getPublisher() {
return publisher;
} public void setPublisher(String publisher) {
this.publisher = publisher;
} private String publisher; public String getId() {
return id;
} public void setId(String id) {
this.id = id;
} public String getTitle() {
return title;
} public void setTitle(String title) {
this.title = title;
}
}

test.xml文件内容如下:

<?xml version="1.0" encoding="UTF-8"?>  

<allresource host="192.168.16.111" remote="192.168.16.111">
<resourcenum>499</resourcenum>
<resourceitem>
<id>2</id>
<title>《实数》复习d.doc</title>
<keywords>实数复习,期中复习</keywords>
<kind>doc</kind>
<describe>期中复习训练题</describe>
<date>2008-6-18 20:50:01</date>
<url>http://192.168.16.111:8080/resources/《实数》复习d.doc</url>
<author>胡克林</author>
<publisher>历城二中</publisher>
</resourceitem>
<resourceitem>
<id>3</id>
<title>《轴对称图形》教学设计</title>
<keywords>轴对称图形,平面几何图形</keywords>
<kind>doc</kind>
<describe>认识轴对称图形,知道轴对称图形的含义,能够找出轴对称图形的对称轴</describe>
<date>2008-6-18 20:55:10</date>
<url>http://192.168.16.111:8080/resources/《轴对称图形》教学设计.doc</url>
<author>胡克林</author>
<publisher>历城二中</publisher>
</resourceitem>
</allresource>

运行结果(我只让他输出了部分值)如下图所示:

java解析xml文件并输出