Spring Security密码解析器PasswordEncoder自定义登录逻辑

@SpringBootTest
@RunWith(SpringRunner.class)
public class MyTest {
    @Test
    public void test(){
        //创建解析器
        PasswordEncoder encoder = new BCryptPasswordEncoder();
        //对密码进行加密
        String password = encoder.encode("123");
        System.out.println("------------"+password);
        //判断原字符加密后和内容是否匹配
        boolean result = encoder.matches("123",password);
        System.out.println("============="+result);
    }
}

@Configuration
public class SecurityConfig {
    @Bean
    public PasswordEncoder getPwdEncoder(){
        return new BCryptPasswordEncoder();
    }
}

@Service
public class UserDetailsServiceImpl implements UserDetailsService {
    @Autowired
    private PasswordEncoder encoder;
    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        //1. 查询数据库判断用户名是否存在，如果不存在抛出UsernameNotFoundException
        if(!username.equals("admin")){
            throw new UsernameNotFoundException("用户名不存在");
        }
        //把查询出来的密码进行解析,或直接把password放到构造方法中。
        //理解:password就是数据库中查询出来的密码，查询出来的内容不是123
        String password = encoder.encode("123");
        return new User(username,password, AuthorityUtils.commaSeparatedStringToAuthorityList("admin"));
    }
}