@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
? ? InMemoryUserDetailsManager manager = new InMemoryUserDetailsManager();
? ? manager.createUser(User.withUsername("admin").password("{noop}123").roles("admin").build());
? ? manager.createUser(User.withUsername("sang").password("{noop}123").roles("user").build());
? ? auth.userDetailsService(manager);
}

@Service
public class MyUserDetailsService implements UserDetailsService {
? ? @Autowired
? ? UserMapper userMapper;
? ? @Override
? ? public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
? ? ? ? User user = userMapper.loadUserByUsername(username);
? ? ? ? if (user == null) {
? ? ? ? ? ? throw new UsernameNotFoundException("用戶不存在");
? ? ? ? }
? ? ? ? user.setRoles(userMapper.getRolesByUid(user.getId()));
? ? ? ? return user;
? ? }
}

public class User implements UserDetails {
? ? private Integer id;
? ? private String username;
? ? private String password;
? ? private Boolean enabled;
? ? private Boolean accountNonExpired;
? ? private Boolean accountNonLocked;
? ? private Boolean credentialsNonExpired;
? ? private List<Role> roles = new ArrayList<>();

? ? @Override
? ? public String toString() {
? ? ? ? return "User{" +
? ? ? ? ? ? ? ? "id=" + id +
? ? ? ? ? ? ? ? ", username='" + username + '\'' +
? ? ? ? ? ? ? ? ", password='" + password + '\'' +
? ? ? ? ? ? ? ? ", enabled=" + enabled +
? ? ? ? ? ? ? ? ", accountNonExpired=" + accountNonExpired +
? ? ? ? ? ? ? ? ", accountNonLocked=" + accountNonLocked +
? ? ? ? ? ? ? ? ", credentialsNonExpired=" + credentialsNonExpired +
? ? ? ? ? ? ? ? ", roles=" + roles +
? ? ? ? ? ? ? ? '}';
? ? }

? ? @Override
? ? public Collection<? extends GrantedAuthority> getAuthorities() {
? ? ? ? List<SimpleGrantedAuthority> authorities = new ArrayList<>();
? ? ? ? for (Role role : roles) {
? ? ? ? ? ? authorities.add(new SimpleGrantedAuthority(role.getName()));
? ? ? ? }
? ? ? ? return authorities;
? ? }

? ? @Override
? ? public String getPassword() {
? ? ? ? return password;
? ? }

? ? @Override
? ? public String getUsername() {
? ? ? ? return username;
? ? }

? ? @Override
? ? public boolean isAccountNonExpired() {
? ? ? ? return accountNonExpired;
? ? }

? ? @Override
? ? public boolean isAccountNonLocked() {
? ? ? ? return accountNonLocked;
? ? }

? ? @Override
? ? public boolean isCredentialsNonExpired() {
? ? ? ? return credentialsNonExpired;
? ? }

? ? @Override
? ? public boolean isEnabled() {
? ? ? ? return enabled;
? ? }

? ? public void setId(Integer id) {
? ? ? ? this.id = id;
? ? }

? ? public void setUsername(String username) {
? ? ? ? this.username = username;
? ? }

? ? public void setPassword(String password) {
? ? ? ? this.password = password;
? ? }

? ? public void setEnabled(Boolean enabled) {
? ? ? ? this.enabled = enabled;
? ? }

? ? public void setAccountNonExpired(Boolean accountNonExpired) {
? ? ? ? this.accountNonExpired = accountNonExpired;
? ? }

? ? public void setAccountNonLocked(Boolean accountNonLocked) {
? ? ? ? this.accountNonLocked = accountNonLocked;
? ? }

? ? public void setCredentialsNonExpired(Boolean credentialsNonExpired) {
? ? ? ? this.credentialsNonExpired = credentialsNonExpired;
? ? }

? ? public Integer getId() {
? ? ? ? return id;
? ? }

? ? public List<Role> getRoles() {
? ? ? ? return roles;
? ? }

? ? public void setRoles(List<Role> roles) {
? ? ? ? this.roles = roles;
? ? }
}

@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
? ? auth.userDetailsService(myUserDetailsService);
}