List<User> fus=query.asList();
Comparator<User> comparator = (User u1,User u2) -> u1.getInviteFVipNum().compareTo(u2.getInviteFVipNum());
//人數倒序
fus.sort(comparator.reversed());
//人數正序
fus.sort(comparator);
List<User> fus=query.asList();
Comparator<User> comparator = (User u1,User u2) -> u1.getInviteFVipNum().compareTo(u2.getInviteFVipNum());
//人數倒序
fus.sort(comparator.reversed());
//人數正序
fus.sort(comparator);