android解析json包（接口）

2022-08-02 13:54:24

package com.http.test;

02

03

`04`	`import` `org.apache.http.HttpResponse;`

`05`	`import` `org.apache.http.HttpStatus;`

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

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

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

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

`10`	`import` `org.json.JSONException;`

`11`	`import` `org.json.JSONObject;`

`12`	`import` `org.json.JSONTokener;`

13

14

`15`	`import` `android.app.Activity;`

`16`	`import` `android.os.Bundle;`

`17`	`import` `android.view.View;`

`18`	`import` `android.view.View.OnClickListener;`

`19`	`import` `android.widget.Button;`

`20`	`//import android.widget.EditText;`

`21`	`import` `android.widget.TextView;`

22

23

`24`	`public` `class` `Http_testActivity` `extends` `Activity {`

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

`26`	`@Override`

`27`	`public` `void` `onCreate(Bundle savedInstanceState) {`

`28`	`super.onCreate(savedInstanceState);`

`29`	`setContentView(R.layout.main);`

30

31

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

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

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

35

36

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

38

39

`40`	`public` `void` `onClick(View v) {`

41

`42`	`String strResult =` `null;`

43

44

45 try {

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

`47`	`// HttpGet连接对象`

`48`	`HttpGet httpRequest =` `new` `HttpGet(httpUrl);`

`49`	`// 取得HttpClient对象`

`50`	`HttpClient httpclient =` `new` `DefaultHttpClient();`

`51`	`// 请求HttpClient，取得HttpResponse`

`52`	`HttpResponse httpResponse = httpclient.execute(httpRequest);`

53 // 请求成功

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

`55`	`// 取得返回的字符串`

`56`	`strResult = EntityUtils.toString(httpResponse`

`57`	`.getEntity());`

`58`	`tv.setText(strResult);`

`59`	`}` `else` `{`

`60`	`tv.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}`

70 try {

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 }