/**      * 获取任意对象里面的returnMapObject的值.并且组成list      * @param <T>      * @param list      * @param fields      * @return      * @throws Exception      */     @SuppressWarnings("unchecked")     public static <T> List<Map<String,Object>> returnMapList(List<T> list,String ...fields) throws Exception{         List<Map<String,Object>> mapList = new ArrayList<Map<String,Object>>();         if(list == null || list.isEmpty())return mapList;         for(T t : list){             Method m = t.getClass().getMethod("returnMapObject",fields.getClass());             Object result = m.invoke(t,(Object)fields);             mapList.add((Map<String, Object>) result);         }         return mapList;     }