Java处理XML文档的StAX方式

Bertha 。 2022-06-18 12:23 182阅读 0赞

package cn.rock.service;

import java.io.FileInputStream;  
import java.io.FileNotFoundException;  
import java.util.ArrayList;  
import java.util.Iterator;  
import java.util.List;

import javax.xml.stream.XMLInputFactory;  
import javax.xml.stream.XMLStreamConstants;  
import javax.xml.stream.XMLStreamException;  
import javax.xml.stream.XMLStreamReader;

import cn.rock.bean.Person;

public class StAXParseService \{  
 private List<Person> personList = null;  
 private Person person = null;  
   
 public void displayXML()\{  
  StAXParseXML();  
  Iterator<Person> iter = personList.iterator();  
  while(iter.hasNext())\{  
   Person person = (Person)iter.next();  
   System.out.println(person.toString());  
  \}  
 \}  
   
 public void StAXParseXML()\{  
  personList = new ArrayList<Person>();  
    
  XMLInputFactory factory = XMLInputFactory.newInstance();  
  try \{  
   XMLStreamReader xmlReader = factory.createXMLStreamReader(new FileInputStream("E:\\\\Workspaces\\\\MyEclipse for Spring 8.6\\\\xml\\\\bin\\\\person.xml"));  
   while(xmlReader.hasNext())\{  
    int event = xmlReader.next();  
    if(event == XMLStreamConstants.START\_ELEMENT)\{  
     if("person".equals(xmlReader.getName().toString()))\{  
      person = new Person();  
      String id = xmlReader.getAttributeValue(null, "id");  
      System.out.println("id-------" + id);  
      person.setId(new Integer(id));  
        
     \}else if("name".equals(xmlReader.getName().toString()))\{  
      String name = xmlReader.getElementText();  
      System.out.println("name-----" + name);  
      person.setName(name);  
     \}else if("age".equals(xmlReader.getName().toString()))\{  
      String age = xmlReader.getElementText();  
      System.out.println("age------" + age);  
      person.setAge(new Short(age));  
     \}else if("address".equals(xmlReader.getName().toString()))\{  
      String address = xmlReader.getElementText();  
      System.out.println("address------" + address);  
      person.setAddress(address);  
     \}  
       
//     System.out.println(xmlReader.getEventType() + " " + xmlReader.getEventType() + " " + xmlReader.getName());  
    \}else if(event == XMLStreamConstants.END\_ELEMENT)\{  
     if("person".equals(xmlReader.getName().toString()))\{  
      personList.add(person);  
      person = null;  
     \}  
    \}  
   \}

\} catch (FileNotFoundException e) \{  
   e.printStackTrace();  
  \} catch (XMLStreamException e) \{  
   e.printStackTrace();  
  \}  
 \}  
\}