android发送json并解析返回json

package com.http.test;


import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONTokener;


import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
//import android.widget.EditText;
import android.widget.TextView;


public class Http_testActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);


final TextView tv = (TextView) findViewById(R.id.result);
//final EditText ed = (EditText) findViewById(R.id.sendurl);
Button bt = (Button) findViewById(R.id.send);


bt.setOnClickListener(new OnClickListener() {// 创建第一个单击事件


public void onClick(View v) {

String strResult = null;


try {
String httpUrl = "http://10.10.10.10:61002/userMessage/cJobConsultationUnread.json?data=688656&client_id=20012&view_id=268800";
// HttpGet连接对象
HttpGet httpRequest = new HttpGet(httpUrl);
// 取得HttpClient对象
HttpClient httpclient = new DefaultHttpClient();
// 请求HttpClient，取得HttpResponse
HttpResponse httpResponse = httpclient.execute(httpRequest);
// 请求成功
if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
// 取得返回的字符串
strResult = EntityUtils.toString(httpResponse
.getEntity());
tv.setText(strResult);
} else {
tv.setText("请求错误!");
}


} catch (Exception e) {


}

//返回的json串strResult={"status":0,"message":"OK","data":15}
try {  
 
   JSONTokener jsonParser = new JSONTokener(strResult);  
   JSONObject js = (JSONObject) jsonParser.nextValue();  
   // 接下来的就是JSON对象的操作了  
   System.out.println("status的值是："+js.getString("status"));  
   System.out.println("message的值是："+js.getString("message"));  
   System.out.println("data的值是："+js.getInt("data")); 
   
} catch (JSONException ex) {  
   // 异常处理代码  
}  


}


});


}
}