String 转 List<Map<String, Object>>

public static List<Map<String, Object>> toListMap(String json){
    	List<Object> list =JSON.parseArray(json);

    	List< Map<String,Object>> listw = new ArrayList<Map<String,Object>>();
    	for (Object object : list){
    	Map<String,Object> ageMap = new HashMap<String,Object>();
    	Map <String,Object> ret = (Map<String, Object>) object;//取出list里面的值转为map
    	/*for (Entry<String, Object> entry : ret.entrySet()) {
    		ageMap.put(entry.getKey());
    	    System.out.println("Key = " + entry.getKey() + ", Value = " + entry.getValue());
    	    listw.add(ageMap);  //添加到list集合  成为 list<map<String,Object>> 集合
    	}  */
    	listw.add(ret);
    	}
		return listw;

    }