集合转为数组
List<Long> chargeIds =new ArrayList<Long>(); Long [] ids=(Long[])chargeIds.toArray();
List<Map<String,Object>>转List<T> list map对象转list对象
List<Map<String, Object>> listMap = new ArrayList<>(); JSONArray jsonArray = new JSONArray(); jsonArray.addAll(listMap); List<User> list = jsonArray.toJavaList(User.class); for (User user : list) { System.out.println(user.getName()+"======"+user.getAge()); }
标签:Map,String,List,Object,list,new From: https://www.cnblogs.com/RedOrange/p/17091604.html