如何解析key为数字的string类型的Json数据

/**
* 将Json对象转换成Map
*
* @param jsonObject
*            json对象
* @return Map对象
* @throws JSONException
*/
public static Map toMap(String jsonString) throws JSONException {

JSONObject jsonObject = new JSONObject(jsonString);

Map result = new HashMap();
Iterator iterator = jsonObject.keys();
String key = null;
String value = null;

while (iterator.hasNext()) {

key = (String) iterator.next();
value = jsonObject.getString(key);
result.put(key, value);

}
return result;

}