在Android系统中解析XML文件的方法

  <?xml version="1.0" encoding="UTF-8"?> 
  <colleagues> 
    <colleague id="1"> 
      <name>耗子</name> 
      <age>24</age> 
      <sex>boy</sex> 
    </colleague> 
    <colleague id="2"> 
      <name>璐璐</name> 
      <age>28</age> 
      <sex>girl</sex> 
    </colleague> 
    <colleague id="3"> 
      <name>陈善</name> 
      <age>26</age> 
      <sex>boy</sex> 
    </colleague> 
  </colleagues> 

  package com.example.shakedemo; 
   
  import java.io.File; 
  import java.io.FileNotFoundException; 
  import java.io.FileReader; 
  import java.io.IOException; 
  import java.util.ArrayList; 
  import java.util.List; 
  import org.xmlpull.v1.XmlPullParser; 
  import org.xmlpull.v1.XmlPullParserException; 
  import org.xmlpull.v1.XmlPullParserFactory; 
  import android.R.xml; 
  import android.util.Log; 
  import android.util.Xml; 
   
  public class XmlPullParserHelper { 
   
    public static List<Colleague> getColleagues(String xmlFilePath) { 
      List<Colleague> colleagues = new ArrayList<Colleague>(); 
      FileReader xmlReader = null; 
      try { 
        xmlReader = new FileReader(new File(xmlFilePath)); 
      } catch (FileNotFoundException e) { 
        Log.e("wzy", "Couldn't find xml file " + xmlFilePath); 
        return colleagues; 
      } 
   
      try { 
   
        // 方式1: 使用 Android 提供的android.util.Xml 类获取 parser 对象 
        XmlPullParser parser = Xml.newPullParser(); 
   
        // 方式2: 使用工厂类 XmlPullParserFactory 
        // XmlPullParserFactory pullFactory = 
        // XmlPullParserFactory.newInstance(); 
        // XmlPullParser parser = pullFactory.newPullParser(); 
   
        // 设置文件输入流 
        parser.setInput(xmlReader); 
   
        // 得到当前事件类型 
        int eventType = parser.getEventType(); 
   
        Colleague colleague = null; 
   
        while (eventType != XmlPullParser.END_DOCUMENT) { 
          switch (eventType) { 
          case XmlPullParser.START_DOCUMENT: 
            break; 
          case XmlPullParser.START_TAG: 
            /** 
             * 通过getName判断读到哪个标签, 然后通过nextText获取文本节点值， 
             * 或者通过getAttributeValue(i)获取属性节点值 
             */ 
            String name = parser.getName(); 
            if ("colleague".equals(name)) { 
              colleague = new Colleague(); 
              colleague.setId(Integer.parseInt(parser.getAttributeValue(null, "id"))); 
            } else if ("name".equals(name)) { 
              if (colleague != null) { 
                colleague.setName(parser.nextText()); 
              } 
            } else if ("age".equals(name)) { 
              if (colleague != null) { 
                colleague.setAge(Integer.parseInt(parser.nextText())); 
              } 
            } else if ("sex".equals(name)) { 
              if (colleague != null) { 
                colleague.setSex(parser.nextText()); 
              } 
            } 
   
            break; 
          case XmlPullParser.END_TAG: 
            if ("colleague".equals(parser.getName()) && colleague != null) { 
              colleagues.add(colleague); 
              colleague = null; 
            } 
            break; 
          } 
   
          eventType = parser.next(); 
        } 
   
        xmlReader.close(); 
      } catch (XmlPullParserException e) { 
        // Do nothing 
      } catch (IOException e) { 
        // Do nothing 
      } 
   
      return colleagues; 
    } 
  } 

 package com.example.shakedemo; 
   
  public class Colleague { 
    private int id; 
    private int age; 
    private String name; 
    private String sex; 
   
    public int getId() { 
      return id; 
    } 
   
    public void setId(int id) { 
      this.id = id; 
    } 
   
    public int getAge() { 
      return age; 
    } 
   
    public void setAge(int age) { 
      this.age = age; 
    } 
   
    public String getName() { 
      return name; 
    } 
   
    public void setName(String name) { 
      this.name = name; 
    } 
   
    public String getSex() { 
      return sex; 
    } 
   
    public void setSex(String sex) { 
      this.sex = sex; 
    } 
   
    @Override 
    public String toString() { 
      return "ID is " + id + ", Name is " + name + ", Sex is " + sex; 
    } 
   
  }