从JSP页面获得数据 atest

package com.example.btest;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Menu;
import android.widget.TextView;

public class MainActivity extends Activity {

    private TextView tv;
    String STR;
    final Handler h=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            // TODO Auto-generated method stub
            try {
                tv.setText(STR);
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            super.handleMessage(msg);
        }
    };
    @Override
    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tv=(TextView)findViewById(R.id.bbb);
       
        new Thread(){
            public void run(){
                try {STR=captureHtml();
                    
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                
                h.sendMessage(h.obtainMessage());
            }
        }.start();
            
        
    }
    

    public String captureHtml() throws Exception {   
        String strURL = "http://172.16.2.38:18655/hq/hqV.jsp";   
        URL url = new URL(strURL);   
        HttpURLConnection httpConn = (HttpURLConnection) url.openConnection();   
        InputStreamReader input = new InputStreamReader(httpConn.getInputStream(), "GB2312");   
        BufferedReader bufReader = new BufferedReader(input);   
        String line = "";   
        StringBuilder contentBuf = new StringBuilder();   
        while ((line = bufReader.readLine()) != null) {   
            contentBuf.append(line);   
        }   
        String buf = contentBuf.toString();   
           
         
        System.out.println("captureHtml()的结果：
" +buf); 
        return buf;
         
    }   
    

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
}