android发送json并解析返回json

 

01package com.http.test;

02  

03  

04import org.apache.http.HttpResponse;

05import org.apache.http.HttpStatus;

06import org.apache.http.client.HttpClient;

07import org.apache.http.client.methods.HttpGet;

08import org.apache.http.impl.client.DefaultHttpClient;

09import org.apache.http.util.EntityUtils;

10import org.json.JSONException;

11import org.json.JSONObject;

12import org.json.JSONTokener;

13  

14  

15import android.app.Activity;

16import android.os.Bundle;

17import android.view.View;

18import android.view.View.OnClickListener;

19import android.widget.Button;

20//import android.widget.EditText;

21import android.widget.TextView;

22  

23  

24public class Http_testActivity extendsActivity {

25/** Called when the activity is first created. */

26@Override

27public void onCreate(Bundle savedInstanceState) {

28super.onCreate(savedInstanceState);

29setContentView(R.layout.main);

30  

31  

32final TextView tv = (TextView) findViewById(R.id.result);

33//final EditText ed = (EditText) findViewById(R.id.sendurl);

34Button bt = (Button) findViewById(R.id.send);

35  

36  

37bt.setOnClickListener(newOnClickListener() {// 创建第一个单击事件

38  

39  

40public void onClick(View v) {

41  

42String strResult = null;

43  

44  

45try {

46String httpUrl = "http://10.10.10.10:61002/userMessage/cJobConsultationUnread.json?data=688656&client_id=20012&view_id=268800";

47// HttpGet连接对象

48HttpGet httpRequest = newHttpGet(httpUrl);

49// 取得HttpClient对象

50HttpClient httpclient = newDefaultHttpClient();

51// 请求HttpClient，取得HttpResponse

52HttpResponse httpResponse = httpclient.execute(httpRequest);

53// 请求成功

54if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {

55// 取得返回的字符串

56strResult = EntityUtils.toString(httpResponse

57.getEntity());

58tv.setText(strResult);

59} else{

60tv.setText("请求错误!");

61}

62  

63  

64} catch(Exception e) {

65  

66  

67}

68  

69//返回的json串strResult={"status":0,"message":"OK","data":15}

70try {  

71   

72   JSONTokener jsonParser =new JSONTokener(strResult);  

73   JSONObject js = (JSONObject) jsonParser.nextValue();  

74   // 接下来的就是JSON对象的操作了  

75   System.out.println("status的值是："+js.getString("status"));  

76   System.out.println("message的值是："+js.getString("message"));  

77   System.out.println("data的值是："+js.getInt("data")); 

78     

79} catch(JSONException ex) {  

80   // 异常处理代码  

81}  

82  

83  

84}

85  

86  

87});

88  

89  

90}

91}