XML解析实例

package com.android.xiong.xmlrestest;import android.app.Activity;import android.content.res.XmlResourceParser;import android.os.Bundle;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;public class MainActivity extends Activity {	@Override	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.activity_main);		Button bt1 = (Button) findViewById(R.id.bt1);		bt1.setOnClickListener(new OnClickListener() {			@Override			public void onClick(View v) {				// 根据XML资源的ID获取解析该资源的解析器				// XmlResourceParSer是XmlPullParser的子类				XmlResourceParser xrp = getResources().getXml(R.xml.book);				try {					StringBuilder sb = new StringBuilder("");					// 还没有到XML文档的结尾处					while (xrp.getEventType() != XmlResourceParser.END_DOCUMENT) {						// 如果遇到了开始标签						if (xrp.getEventType() == XmlResourceParser.START_TAG) {							// 获取该标签的标签名							String tagName = xrp.getName();							// 如果遇到book标签							if (tagName.equals("book")) {								// 根据属性名来获取属性值								String bookName = xrp.getAttributeValue(null,										"price");								sb.append("价格：");								sb.append(bookName);								// 根据属性索引来获取属性值								String bookPrice = xrp.getAttributeValue(1);								sb.append("   出版社日期：");								sb.append(bookPrice);								sb.append(" 书名:");								// 获取文本节点的值								sb.append(xrp.nextText());							}							sb.append("/n");						}						xrp.next();					}					TextView txt = (TextView) findViewById(R.id.txt1);					txt.setText(sb.toString());				} catch (Exception e) {					e.printStackTrace();				}			}		});	}	@Override	public boolean onCreateOptionsMenu(Menu menu) {		// Inflate the menu; this adds items to the action bar if it is present.		getMenuInflater().inflate(R.menu.main, menu);		return true;	}}

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