Json 格式 toJsonString_json.tojsonstring

 /**
     * 把集合转到json格式
     * @param vipList
     * @return
     * @throws JSONException
     */
    public static String parseListJson(List<VIP> vipList) throws JSONException {
        String json = "";
        JSONArray  array = new JSONArray();
        for (VIP vip : vipList)
        {
            JSONObject object = new JSONObject();
            object.put("id",vip.getId());
            object.put("name",vip.getName());
            object.put("score",vip.getScore());
            object.put("phone",vip.getPhone());
            array.put(object);
        }
//        json =array.toString();
        json = com.alibaba.fastjson.JSON.toJSONString(vipList);
        Log.e("json",json);
        return json;
    }

[{"id":1,"name":"zhangsan","score":1000},{"id":2,"name":"zhangsan","score":1000},{"id":3,"name":"zhangsan","score":1000},{"id":4,"name":"zhangsan","score":1000},{"id":5,"name":"zhangsan","score":1000},{"id":6,"name":"zhangsan","score":1000},{"id":7,"name":"zhangsan","score":1000},{"id":8,"name":"zhangsan","score":1000},{"id":9,"name":"zhangsan","score":1000},{"id":10,"name":"zhangsan","score":1000}]

    public static List<VIP> parseJson2(String jsonStr)
    {
        List<VIP> vipList = new ArrayList<>();

        if (null != jsonStr && jsonStr.length() > 0)
        {
            try
            {
                JSONArray jsonArray = new JSONArray(jsonStr);
                if (jsonArray.length() > 0)
                {
                    for (int i = 0; i < jsonArray.length(); i++)
                    {
                            JSONObject valueJsonObject = new JSONObject(jsonArray.getString(i));
                            VIP vip = new VIP();
                            vip.setId(Integer.parseInt(valueJsonObject.getString("id")));
                            vip.setName(valueJsonObject.getString("name"));
                            vip.setScore(Integer.parseInt(valueJsonObject.getString("score")));
//                            vip.setScore(Integer.parseInt(valueJsonObject.getString("phone")));
                            ;
                            vipList.add(vip); 
                    }
                } 
            }
            catch (JSONException e)
            {
                e.printStackTrace();
            }
        }
        return vipList;
    }