Android Studio 获取网络JSON数据并处理

    package chenglong.activitytest.pengintohospital.entity;
    
    import org.json.JSONException;
    import org.json.JSONObject;
    
    /** *
     * 科室
     * Created by LICHENGLONG on 2017-10-02.
     */
    
    public class BasSection {
    public Integer id;//科室id
    public String sectionName;//科室名称
    public Integer getId() {
        return id;
    }
    
    public void setId(Integer id) {
        this.id = id;
    }
    
    public String getSectionName() {
        return sectionName;
    }
    
    public void setSectionName(String sectionName) {
        this.sectionName = sectionName;
    }
    
    public BasSection(Integer id, String sectionName){
        this.id = id;
        this.sectionName = sectionName;
    }
    
    public static BasSection sectionData(JSONObject json){
        try {
            return new BasSection(
                       json.getInt("id"),
                       json.getString("sectionName");
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return null;
    }
    }

    List<BasSection> listBasSection = new ArrayList<>();

    /** * 获取JSON科室数据
     */
    public void findSectionData(){
    AsyncHttpClient client = new AsyncHttpClient();
    //你的JSON数据链接地址
    client.get(AbAppConfig.DATA_URL + "appGVConsultation/findSectionData", null, new AsyncHttpResponseHandler() {
        @Override
        public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
            try {
                JSONObject object =  new JSONObject(new String(responseBody));//获取json数据
                JSONArray jsonArray = object.getJSONArray("obj");//获取数据集名称为obj的数据
                Log.d("jsonArray数据输出：", String.valueOf(jsonArray));
                for (int i = 0; i < jsonArray.length();i++) {
                    BasSection novels = BasSection.sectionData(jsonArray.getJSONObject(i));//把数据存在novels集合中
                    if (novels != null){
                        listBasSection.add(novels);
                    }
                }
    
            } catch (JSONException e) {
                Toast.makeText(GV_Consultation.this, "数据请求失败，请稍后重试", Toast.LENGTH_SHORT).show();
            }
        }
    
        @Override
        public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
            //请求失败的回调处理
            Toast.makeText(GV_Consultation.this, "请链接网络，稍后重试", Toast.LENGTH_SHORT).show();
        }
    });
    }