• 添加依赖
    • 配置spring-security.xml
    1. // service层继承UserDetailsService
    2. public interface UserService extends UserDetailsService {
    3.     List<Users> findAll();
    4.     void save(Users users);
    5. }
    7. // serviceImpl
    8. // 加密
    9. @Autowired
    10. private BCryptPasswordEncoder bCryptPasswordEncoder;
    12. @Override
    13. public void save(Users users) {
    14.     users.setPassword(bCryptPasswordEncoder.encode(users.getPassword()));
    15.     userDao.save(users);
    16. }
    17. @Override
    18. public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
    19.     Users users = userDao.findByUsername(username);
    20.     System.out.println(users);
    21.     User user=new User(users.getUsername(),users.getPassword(),true, true, true, true,getAuthority(users.getRoles()));
    22.     //User user = new User(users.getUsername(),"{noop}"+users.getPassword(),getAuthority(users.getRoles()));
    23.     return user;
    24. }
    25. //作用就是返回一个List集合，集合中装入的是角色描述
    26. public List<GrantedAuthority> getAuthority(List<Role> roles) {
    28.     List<GrantedAuthority> list = new ArrayList<>();
    29.     for (Role role : roles) {
    30.         list.add(new SimpleGrantedAuthority("ROLE_" + role.getRoleName().toUpperCase()));
    32.     }
    33.     return list;
    34. }
    1. public static void main(String[] args) {
    2.     BCryptPasswordEncoder bCryptPasswordEncoder = new BCryptPasswordEncoder();
    3.     System.out.println(bCryptPasswordEncoder.encode("123"));
    4. }//生成加密密码