@Override
    public JSONArray getJSONArray(int index) {
        Object value = list.get(index);

        if (value instanceof JSONArray) {
            return (JSONArray) value;
        }

        return JSON.toJSONArray(value);
    }
@author Robert HG (254963746@qq.com) on 11/20/15.
lts-core/src/main/java/com/github/ltsopensource/core/json/jackson/JacksonJSONArray.java