分组操作
public void groupAction(List list, int group, Consumer<List> action) {
if (CollectionUtils.isEmpty(list)) {
return;
}
for (int i = 0; i < list.size(); i += group) {
if (i + group > list.size()) { //作用为最后没有100(你要的分组条数)条数据则剩余几条newList中就装几条
group = list.size() - i;
}
List newList = list.subList(i, i + group);
if (!CollectionUtils.isEmpty(newList)) {
action.accept(newList);
}
}
}