fastjson解析json数组

1、fastjson解析json数组（直接上代码）

import java.util.ArrayList;
import java.util.List;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.montnets.ott.entity.weix.OtWeiBatchgetMaterial;
import com.montnets.ott.entity.weix.getarticlesummary;

public class testTjtw {

    public static void main(String[] args) throws Exception {
        testTjtw tj = new testTjtw();

        String jsonStr = "{\"item\":[" +
                 "{\"media_id\":\"DjkC7IK8dPuF6LkHXdpM7bGRF_ae0dk0ZG_0XIi-rvo\","+
                 "\"content\":{\"news_item\":["+
                                 "{\"title\":\"1\",\"author\":\"欧阳宇\",\"digest\":\"1\","+
                                      "\"content\":\"neirong\","+
                                      "\"content_source_url\":\"http://ouyangyu.com\","+
                                      "\"thumb_media_id\":\"DjkC7IK8dPuF6LkHXdpM7S6ApFtUuIYUXJ9bgr4KTuA\","+
                                      "\"show_cover_pic\":0,"+
                                      "\"url\":\"url\","+
                                      "\"thumb_url\":\"url\","+
                                      "\"need_open_comment\":1,"+
                                      "\"only_fans_can_comment\":0"+
                                  "},"+

                                 "{\"title\":\"1\",\"author\":\"欧阳宇\",\"digest\":\"1\","+
                                  "\"content\":\"neirong\","+
                                  "\"content_source_url\":\"http://ouyangyu.com\","+
                                  "\"thumb_media_id\":\"DjkC7IK8dPuF6LkHXdpM7S6ApFtUuIYUXJ9bgr4KTuA\","+
                                  "\"show_cover_pic\":0,"+
                                  "\"url\":\"url\","+
                                  "\"thumb_url\":\"url\","+
                                  "\"need_open_comment\":1,"+
                                  "\"only_fans_can_comment\":0"+
                              "}"+
                             "],"+
                         "\"create_time\":1526465140,"+
                         "\"update_time\":1526465513"+
                         "},"+
                     "\"update_time\":1526465513"+
                 "},"+

                 "{\"media_id\":\"DjkC7IK8dPuF6LkHXdpM7T_W4zTBQZtLsxEzFW1c2iE\","+
                 "\"content\":{\"news_item\":["+
                     "{\"title\":\"1\",\"author\":\"欧阳宇\",\"digest\":\"1\","+
                     "\"content\":\"neirong\","+
                     "\"content_source_url\":\"http://ouyangyu.com\","+
                     "\"thumb_media_id\":\"DjkC7IK8dPuF6LkHXdpM7S6ApFtUuIYUXJ9bgr4KTuA\","+
                     "\"show_cover_pic\":0,"+
                     "\"url\":\"url\","+
                     "\"thumb_url\":\"url\","+
                     "\"need_open_comment\":1,"+
                     "\"only_fans_can_comment\":0"+
                 "}"+
                 "],"+
                     "\"create_time\":1526465140,"+
                     "\"update_time\":1526465513"+
                      "},"+
                     "\"update_time\":1526465513"+
                     "}"+
                     "],"+
             "\"total_count\":4," +
             "\"item_count\":4"+
             "}";

        String jsonStr2 = "{\"list\":["+
                                   "{\"ref_date\":\"2018-05-16\",\"user_source\":0,\"msgid\":\"2455330874_1\",\"title\":\"fdsa\","+
                                    "\"int_page_read_user\":1,\"int_page_read_count\":1,\"ori_page_read_user\":0,\"ori_page_read_count\":0,"+
                                    "\"share_user\":0,\"share_count\":0,\"add_to_fav_user\":0,\"add_to_fav_count\":0},"+

                                "{\"ref_date\":\"2018-05-16\",\"user_source\":0,\"msgid\":\"2455330883_1\",\"title\":\"1\","+
                                    "\"int_page_read_user\":1,\"int_page_read_count\":2,\"ori_page_read_user\":1,\"ori_page_read_count\":1,"+
                                    "\"share_user\":0,\"share_count\":0,\"add_to_fav_user\":0,\"add_to_fav_count\":0},"+

                                "{\"ref_date\":\"2018-05-16\",\"user_source\":0,\"msgid\":\"2455330883_2\",\"title\":\"2\","+
                                    "\"int_page_read_user\":1,\"int_page_read_count\":1,\"ori_page_read_user\":1,\"ori_page_read_count\":1,"+
                                    "\"share_user\":0,\"share_count\":0,\"add_to_fav_user\":0,\"add_to_fav_count\":0},"+

                                "{\"ref_date\":\"2018-05-16\",\"user_source\":0,\"msgid\":\"2455330883_3\",\"title\":\"3\",\"int_page_read_user\":1,\"int_page_read_count\":1,\"ori_page_read_user\":0,\"ori_page_read_count\":0,\"share_user\":0,\"share_count\":0,\"add_to_fav_user\":0,\"add_to_fav_count\":0},"+
                                "{\"ref_date\":\"2018-05-16\",\"user_source\":0,\"msgid\":\"2455330883_4\",\"title\":\"4\",\"int_page_read_user\":1,\"int_page_read_count\":1,\"ori_page_read_user\":0,\"ori_page_read_count\":0,\"share_user\":0,\"share_count\":0,\"add_to_fav_user\":0,\"add_to_fav_count\":0},"+
                                "{\"ref_date\":\"2018-05-16\",\"user_source\":0,\"msgid\":\"2455330883_5\",\"title\":\"5\",\"int_page_read_user\":1,\"int_page_read_count\":1,\"ori_page_read_user\":0,\"ori_page_read_count\":0,\"share_user\":0,\"share_count\":0,\"add_to_fav_user\":0,\"add_to_fav_count\":0}"+
                                "]"+
                            "}";

        System.out.println("jsonStr:"+jsonStr);

        tj.jsonToObject(jsonStr);

        tj.jsonToObject1(jsonStr2);
    }

    //获取图文群发每日数据（getarticlesummary）
    public  List<getarticlesummary> jsonToObject1(String jsonStr)throws Exception{
        List<getarticlesummary> gtsys = new ArrayList<getarticlesummary>();
        getarticlesummary gtsy = null;

        JSONObject json = JSONObject.parseObject(jsonStr);
        //获取item，得到json数组
        JSONArray array = json.getJSONArray("list");  

        for (int i = 0; i < array.size(); i++) {
            JSONObject jo = array.getJSONObject(i);
            String   ref_date = jo.getString("ref_date");
            String  msgid = jo.getString("msgid");
            String  title = jo.getString("title");
            Integer  int_page_read_user = jo.getInteger("int_page_read_user");
            Integer  int_page_read_count = jo.getInteger("int_page_read_count");
            Integer  ori_page_read_user = jo.getInteger("ori_page_read_user");
            Integer  ori_page_read_count = jo.getInteger("ori_page_read_count");
            Integer  share_user = jo.getInteger("share_user");
            Integer  share_count = jo.getInteger("share_count");
            Integer  add_to_fav_user = jo.getInteger("add_to_fav_user");
            Integer  add_to_fav_count = jo.getInteger("add_to_fav_count");

            //将图文群发每日数据json保存在集合中
            gtsy = new getarticlesummary();
            gtsy.setRef_date(ref_date);
            gtsy.setMsgid(msgid);
            gtsy.setTitle(title);
            gtsy.setInt_page_read_user(int_page_read_user);
            gtsy.setInt_page_read_count(int_page_read_count);
            gtsy.setOri_page_read_user(ori_page_read_user);
            gtsy.setOri_page_read_count(ori_page_read_count);
            gtsy.setShare_user(share_user);
            gtsy.setShare_count(share_count);
            gtsy.setAdd_to_fav_user(add_to_fav_user);
            gtsy.setAdd_to_fav_count(add_to_fav_count);
            gtsys.add(gtsy);

        }
        System.out.println(gtsys.get(0).toString());
        return gtsys;
    }

    //将json字符串数组解析成java对象
    //获取图文素材
    public  List<OtWeiBatchgetMaterial> jsonToObject(String jsonStr)throws Exception{
        List<OtWeiBatchgetMaterial> obms = new ArrayList<OtWeiBatchgetMaterial>();
        OtWeiBatchgetMaterial obm = null;

        JSONObject json = JSONObject.parseObject(jsonStr);
        //获取item，得到json数组
        JSONArray array = json.getJSONArray("item");  

        for (int i = 0; i < array.size(); i++) {
            JSONObject jo = array.getJSONObject(i);
            String   media_id = jo.getString("media_id");
            String   content = jo.getString("content");

            //将content转换为json对象
            JSONObject json2 = JSONObject.parseObject(content);
            //获取news_item得到json数组
            JSONArray array2 = json2.getJSONArray("news_item");
            for (int j = 0; j < array2.size(); j++) {
                JSONObject jo2 = array2.getJSONObject(j);
                String   title =  jo2.getString("title");
                String   author = jo2.getString("author");
                String   digest = jo2.getString("digest");
                String   content2 = jo2.getString("content");
                String   content_source_url = jo2.getString("content_source_url");
                String   thumb_media_id = jo2.getString("thumb_media_id");
                Integer   show_cover_pic = jo2.getInteger("show_cover_pic");
                String   url = jo2.getString("url");
                String   thumb_url = jo2.getString("thumb_url");
                Integer   need_open_comment = jo2.getInteger("need_open_comment");
                Integer   only_fans_can_comment = jo2.getInteger("only_fans_can_comment");
                String   twCreate_time = jo2.getString("create_time");
                String   twUpdate_time = jo2.getString("update_time");

                obm = new OtWeiBatchgetMaterial();
                obm.setMedia_id(media_id);
                obm.setTitle(title);
                obm.setAuthor(author);
                obm.setDigest(digest);
                obm.setContent(content2);
                obm.setContent_source_url(content_source_url);
                obm.setThumb_media_id(thumb_media_id);
                obm.setShow_cover_pic(show_cover_pic);
                obm.setUrl(url);
                obm.setThumb_url(thumb_url);
                obm.setNeed_open_comment(need_open_comment);
                obm.setOnly_fans_can_comment(only_fans_can_comment);
                obm.setTwCreate_time(twCreate_time);
                obm.setTwUpdate_time(twUpdate_time);

                obms.add(obm);
            }

        }
        System.out.println(obms.get(0).toString());
        return obms;
    }
}