我的Android笔记（八）—— 使用Jsoup解析Html

package com.android.web;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.http.util.ByteArrayBuffer;
import org.apache.http.util.EncodingUtils;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ListView;
import android.widget.SimpleAdapter;

public class _GetWebResoureActivity extends Activity {

	Document doc;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		findViewById(R.id.button1).setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				load();
			}
		});
	}

	protected void load() {
		
		try {
			doc = Jsoup.parse(new URL("http://www.baidu.com"), 5000);
		} catch (MalformedURLException e1) {
			e1.printStackTrace();
		} catch (IOException e1) {
			e1.printStackTrace();
		}
		
		String body = doc.getElementsByTag("body").html();
		Log.i("main", body);
	}

	/**
	 * @param urlString
	 * @return
	 */
	public String getHtmlString(String urlString) {
		try {
			URL url = null;
			url = new URL(urlString);

			URLConnection ucon = null;
			ucon = url.openConnection();

			InputStream instr = null;
			instr = ucon.getInputStream();

			BufferedInputStream bis = new BufferedInputStream(instr);

			ByteArrayBuffer baf = new ByteArrayBuffer(500);
			int current = 0;
			while ((current = bis.read()) != -1) {
				baf.append((byte) current);
			}
			return EncodingUtils.getString(baf.toByteArray(), "gbk");
		} catch (Exception e) {
			return "";
		}
	}
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <Button
        android:id="@+id/button1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="加载" />

    <ListView
        android:id="@+id/listView1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" >
    </ListView>

</LinearLayout>

转载自:http://blog.csdn.net/barryhappy/article/details/7366654