fastjson提取json数据

1)目标是提取data中20条数据的uid

{"status":1,"msg":"请求成功","data":[{"uid":"860017868","icon":"https://avatarssl.bearead.net/5abefa29de5b1b5e11f0ecf44c95302c.jpg","intro":"鱼·八咸王·祖贤","nickname":"鱼八咸","sex":"F","level":"10","indexId":"4e136073-1522-41f2-ad9b-ad269a638e69"},{"uid":"168733630","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"咸咸咸咸咸鱼八","sex":"F","level":"0","indexId":"a921d2c4-31fc-49cb-bd9b-015e00cb1278"},{"uid":"2134636215","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"非洲酋长鱼咸咸","sex":"M","level":"0","indexId":"ccd6f5c3-6c46-4325-984a-2580147ec99c"},{"uid":"1294261080","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"咸丿鱼","sex":"M","level":"0","indexId":"4165c125-5d8a-46b9-ba33-172ca7541a27"},{"uid":"745604693","icon":"https://avatarssl.bearead.net/81689a2785c2a95d30ae66fdb7bfe7b1.jpg","intro":"鱼，也鲜。","nickname":"鱼亦咸","sex":"F","level":"0","indexId":"d79d9cbf-7f60-4292-85b9-d9a63e5a8489"},{"uid":"979184732","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"咸丶鱼","sex":"M","level":"0","indexId":"2ed796fa-1ec5-41c2-b9de-2060831b9df3"},{"uid":"1479011904","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"咸的鱼","sex":"F","level":"0","indexId":"ec80c498-95e8-4579-9e1b-ef37100ab8d1"},{"uid":"862238758","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"鱼八.","sex":"F","level":"0","indexId":"211a96be-5760-40c3-ac1a-0667e59b4102"},{"uid":"524746575","icon":"https://avatarssl.bearead.net/2f4c3d59624fe04bdd0ec21e1c4bb959.jpg","intro":"该用户比较懒什么都不想写","nickname":"齁咸一鱼","sex":"F","level":"0","indexId":"62ca66e6-b251-4533-819e-a5084c818e9a"},{"uid":"840703695","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"有鱼，曰咸","sex":"M","level":"0","indexId":"88456bbb-216b-485c-a186-d6fd52f82cc8"},{"uid":"901620142","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"咸者之鱼","sex":"M","level":"0","indexId":"ce726c5c-2ba0-4c37-ae4e-da17debf8125"},{"uid":"341695761","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"鱼八仔","sex":"F","level":"0","indexId":"fcae566f-b742-4bf8-b46c-16d3db3f8e6d"},{"uid":"869103512","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"八爪鱼，","sex":"M","level":"0","indexId":"39c48ccb-5c9c-4a1a-b1e3-99e66b8fc2f9"},{"uid":"1965924282","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"八爪鱼","sex":"F","level":"0","indexId":"28b41962-6fc7-4ba3-9df7-1d1995115c0b"},{"uid":"770369953","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"咸咸咸","sex":"F","level":"0","indexId":"e89c78ef-3642-4079-98ad-ce9e79be8e25"},{"uid":"886833098","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":"自产自销","nickname":"咕咕鱼鱼不咸则鸽","sex":"F","level":"0","indexId":"a57d1dbe-bb9b-4fdc-8d20-8044b1af12d1"},{"uid":"2028732290","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"咸咸","sex":"F","level":"0","indexId":"7f950b24-4754-45d7-bb99-76fc77637373"},{"uid":"525767500","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"咸咸咸咸鱼","sex":"F","level":"0","indexId":"53c6104c-97cf-46d6-969b-fdbf0b1c77f1"},{"uid":"1374874338","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"啊咸咸咸","sex":"F","level":"0","indexId":"2e359048-26e0-4d68-bd8a-6ab5a1ebb9ea"},{"uid":"384252147","icon":"http://avatar.bearead.net/usericon.png_thumb","intro":",,Ծ‸Ծ,,该用户特别高冷，神马都没填写","nickname":"八爪鱼2016","sex":"M","level":"0","indexId":"73441b95-4e0f-4bb7-a216-29deddf9ea76"}],"total":20}

String jsonstr = "JSONString";
//通过静态方法parse，将字符串解析为一个Object对象
Object json01 = JSONObject.parse(jsonstr);
//将返回的jsonObj强转为一个Map集合
Map<String,Object> jsonmap = (Map) json01;
String data = jsonmap.get("data").toString();
//json格式字符串转数组
JSONArray bookinfos = JSON.parseArray(data);
for (int i= 0;i<bookinfos.size();i++ ){
    Object json02 = JSONObject.parse(bookinfos.get(i).toString());
    Map<String,Object> jsonmap02 = (Map) json02;
    System.out.println(jsonmap02.get("uid"));
}