Android Json 解析

た入场券 2022-01-10 22:21 324阅读 0赞

方法一 使用API解析

json：

{"beaconid":"2397","state":"01","userid":"90"}

获取json的方法

private void sendRequestWithHttpClient(){
                    new Thread(new Runnable() {
                      @Override
                      public void run() {
    
                              
                              try {
                                     // HttpClient对象
    
                                  HttpClient httpClient = new DefaultHttpClient();
                                     // HttpGet对象
                                  HttpGet httpGet = new HttpGet("http://192.168.0.103/test.json");
                                  HttpResponse httpResponse = httpClient.execute(httpGet);
                                  if (httpResponse.getStatusLine().getStatusCode() == 200) {
                                      HttpEntity entity = httpResponse.getEntity();
                                      // 取得返回的数据
                                      String response = EntityUtils.toString(entity, "utf-8");
    //解析json
                                      parseJSONWithJSONObject(response);
                                  }
                              } catch (IOException e) {
                                  e.printStackTrace();
                              }
    
                          }
    
                  }).start();
          }

解析json的方法

private void parseJSONWithJSONObject (String jsonData){
            try {
                JSONObject jsonObj = new JSONObject(jsonData);
                String beaconid = jsonObj.getString("beaconid");
                String state = jsonObj.getString("state");
                String uid = jsonObj.getString("userid");
                Log.d("beaconid","beaconid is"+" "+beaconid);
                Log.d("state","state is"+ " "+state);
                Log.d("userid","userid is"+ " "+uid);
    
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }

最后在MainActivity 调用 sendRequestWithHttpClient() 方法；

记得在AndroidMainfest.xml

<uses-permission android:name="android.permission.INTERNET" />
        <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
        <uses-permission android:name="android.permission.VIBRATE" />
        <uses-permission android:name="android.hardware.sensor.accelerometer" />

转载于:https://www.cnblogs.com/stuart/p/4502968.html