Jsoup 的认识和简单使用

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <WebView
        android:id="@+id/webView"
        android:layout_width="fill_parent"
        android:layout_height="200dp" />

    <ScrollView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >

        <TextView
            android:id="@+id/textView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/hello_world" />
    </ScrollView>

</LinearLayout>

package com.topcsa.zhj_jsoup;

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.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.webkit.WebView;
import android.widget.TextView;

public class MainActivity extends Activity {

    private WebView webView;
    private TextView textView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        webView = (WebView) findViewById(R.id.webView);
        textView = (TextView) findViewById(R.id.textView);
        try {
            ProgressAsyncTask asyncTask = new ProgressAsyncTask(webView,
                    textView);
            asyncTask.execute(10000);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    class ProgressAsyncTask extends AsyncTask<Integer, Integer, String> {

        private WebView webView;
        private TextView textView;

        public ProgressAsyncTask(WebView webView, TextView textView) {
            super();
            this.webView = webView;
            this.textView = textView;
        }

        
        @Override
        protected String doInBackground(Integer... params) {
            String str = null;
            String content = "http://10.10.9.100:2014";
            Document doc = null;

            try {
                // 获取文档
                doc = Jsoup
                        .connect(
                                "http://10.10.9.100:2014/NewsDetailInfo.aspx?newsid=615a1431-7766-407e-af62-d372b6cbc54e")
                        .timeout(5000).get();
                //获取<div id="right">对应的内容
                Elements ListDiv = doc.getElementsByAttributeValue("id",
                        "right");
                //查找图片
                for (Element element : ListDiv) {
                    str = element.html();
                    Elements Listimg = ListDiv.select("img");
                    String strimg;
                    //打印出图片链接
                    for (Element e : Listimg) {
                        strimg = content + e.attr("src");
                        Log.d("Listimg.src", strimg);
                    }
                }
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            return str.replace("/UpFileimage",
                    "http://10.10.9.100:2014/UpFileimage");//将获取的相对路径转换成绝对路径

        }

        /**
         * 这里的String参数对应AsyncTask中的第三个参数（也就是接收doInBackground的返回值）
         * 在doInBackground方法执行结束之后在运行，并且运行在UI线程当中 可以对UI空间进行设置
         */
        @Override
        protected void onPostExecute(String result) {
            webView.loadData(result, "text/html;charset=utf-8", null);
            textView.setText(result);
        }

    }
}