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; } }