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;   
    }  
}