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; } }