ListUserDetailsService.java 文件源码

@Override
public UserDetails loadUserByUsername(String email) throws UsernameNotFoundException{
    User user = userRepository.findByEmail(email);

    if(user == null) {
        throw new UsernameNotFoundException("Invalid User");
    }
    else {
        Set<GrantedAuthority> grantedAuthorities = user.getRoles()
                .stream()
                .map(role -> new SimpleGrantedAuthority(role.getName()))
                .collect(Collectors.toSet());

        return new org
                .springframework
                .security
                .core
                .userdetails
                .User(user.getEmail(), user.getPassword(), grantedAuthorities);
    }
}