json字符串转List/Map的工具类

public class ListOrMapForJson {
    public static List<Map<String, Object>> getlistForJson(String jsonStr) {
        List<Map<String, Object>> list = null;
        try {
            JSONArray jsonArray = new JSONArray(jsonStr);
            JSONObject jsonObj;
            list = new ArrayList<Map<String, Object>>();
            for (int i = 0; i < jsonArray.length(); i++) {
                jsonObj = (JSONObject) jsonArray.get(i);
                list.add(getMapForJson(jsonObj.toString()));
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return list;
    }

    public static Map<String, Object> getMapForJson(String jsonStr) {
        JSONObject jsonObject;
        try {
            jsonObject = new JSONObject(jsonStr);

            Iterator<String> keyIter = jsonObject.keys();
            String key;
            Object value;
            Map<String, Object> valueMap = new HashMap<String, Object>();
            while (keyIter.hasNext()) {
                key = keyIter.next();
                value = jsonObject.get(key);
                valueMap.put(key, value);
            }
            return valueMap;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
}