UserServiceImpl.java 文件源码

@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
    final Optional<UserAccount> user = userRepository.findOneByUsername(username);
    final AccountStatusUserDetailsChecker detailsChecker = new AccountStatusUserDetailsChecker();
    user.ifPresent(detailsChecker::check);
    return user.orElseThrow(() -> new UsernameNotFoundException("user not found."));
}