Dom4j 生成和解析XML文件

小咪咪 2022-04-15 04:20 241阅读 0赞

//生成xml文件  
package lc.abin.lee.xml.dom4j;  
  
import java.io.FileWriter;  
  
import org.dom4j.Document;  
import org.dom4j.DocumentHelper;  
import org.dom4j.Element;  
import org.dom4j.io.OutputFormat;  
import org.dom4j.io.XMLWriter;  
  
public class CreateDom4j \{  
public static String createXml() throws Exception\{  
Document document=DocumentHelper.createDocument();  
Element root=document.addElement("lee");  
Element country=root.addElement("abin");  
Element area=country.addElement("name");  
Element first=area.addElement("lc1");  
first.addText("lc1name");  
Element middle=area.addElement("lc2");  
middle.addText("lc2name");  
Element last=area.addElement("lc3");  
last.addText("lc3name");  
  
FileWriter fileWriter=new FileWriter("lbin.xml");  
OutputFormat format=new OutputFormat();  
format.setEncoding("UTF-8");  
XMLWriter writer=new XMLWriter(fileWriter, format);  
writer.write(document);  
writer.flush();  
writer.close();  
return document.asXML();  
\}  
public static void main(String\[\] args)throws Exception \{  
String result=createXml();  
System.out.println("result="+result);  
\}  
\}  
  
生成的XML文件内容  
<?xml version="1.0" encoding="UTF-8"?>  
<lee><abin><name><lc1>lc1name</lc1><lc2>lc2name</lc2><lc3>lc3name</lc3></name></abin></lee>  
  
  
//DOM4J解析XML文件  
  
package lc.abin.lee.xml.dom4j;  
  
import java.io.File;  
import java.util.Collections;  
import java.util.HashMap;  
import java.util.Iterator;  
import java.util.List;  
import java.util.Map;  
  
import org.dom4j.Document;  
import org.dom4j.DocumentException;  
import org.dom4j.Element;  
import org.dom4j.io.SAXReader;  
  
public class ParseJdom \{  
public static Map<String,String> parse(File file) throws DocumentException\{  
Map<String,String> map=Collections.synchronizedMap(new HashMap<String,String>());  
SAXReader sax=new SAXReader();  
Document doc=sax.read(file);  
List list=doc.selectNodes("/lee/abin/name");  
for(Iterator it=list.iterator();it.hasNext();)\{  
Element ele=(Element)it.next();  
for(Iterator its=ele.elementIterator();its.hasNext();)\{  
Element le=(Element)its.next();  
map.put(le.getName(), le.getText());  
System.out.println("le.getName()="+le.getName());  
System.out.println("le.getText()="+le.getText());  
\}  
  
\}  
return map;  
\}  
public static void main(String\[\] args) throws Exception \{  
File file=new File("lbin.xml");  
Map<String,String> map=parse(file);  
for(Iterator it=map.entrySet().iterator();it.hasNext();)\{  
Map.Entry entry=(Map.Entry)it.next();  
System.out.println("name="+entry.getKey());  
System.out.println("value="+entry.getValue());  
  
\}  
\}  
  
\}