public void batchDeleteUsers(List
int batchSize = 500; // 每批处理500条
for (int i = 0; i < userIds.size(); i += batchSize) {
int end = Math.min(userIds.size(), i + batchSize);
List<Integer> batchList = userIds.subList(i, end);
userMapper.batchDelete(batchList);
}
}