Java-使用FastJSON从原始JSON数据到新格式JSON数据的转换

[
    {
        "id": "111",
        "name": "长沙",
        "criCount":8,
        "sesCount":4
    },
    {
        "id": "222",
        "name": "湘潭",
        "criCount":10,
        "sesCount":5
    },
    {
        "id": "333",
        "name": "北京",
        "criCount":6,
        "sesCount":7
    }
]


[
    {
        "level"："危急",
        "长沙": 8,
        "湘潭":10,
        "北京":6
    },
    {
        "level"："严重",
        "长沙": 4,
        "湘潭":5,
        "北京":7
    }
]

import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.JsonReader;

import java.io.StringReader;