集合转换 List<Map<String,Object>>转List<T>
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());
}
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