android发送json并解析返回json

openkk 12年前

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    }        }      });      }  }