PasswordEncoder 配置

@Bean
public PasswordEncoder passwordEncoder() {
  String bcrypt = "bcrypt";
  BCryptPasswordEncoder encoder = new BCryptPasswordEncoder();
  Map<String, PasswordEncoder> encoders = new HashMap<>(8);
  encoders.put(bcrypt, new BCryptPasswordEncoder());
  encoders.put("pbkdf2", new Pbkdf2PasswordEncoder());
  encoders.put("scrypt", new SCryptPasswordEncoder());
  // md
  // encoders.put("md4", new Md4PasswordEncoder());
  // encoders.put("md5", new MessageDigestPasswordEncoder("MD5"));
  // sha
  // encoders.put("sha1", new StandardPasswordEncoder("SHA-1", ""));
  // encoders.put("sha256", new StandardPasswordEncoder());
  // encoders.put("sha384", new StandardPasswordEncoder("SHA-384", ""));
  // encoders.put("sha512", new StandardPasswordEncoder("SHA-512", ""));
  // sm3
  // encoders.put("sm3", new SM3PasswordEncoder());
  // ldap
  // encoders.put("ldap", new LdapShaPasswordEncoder());

  //idForEncode is default for encoder
  DelegatingPasswordEncoder delegating = new DelegatingPasswordEncoder(bcrypt, encoders);
  // 如果都不匹配以上加密方式，则使用默认方式
  delegating.setDefaultPasswordEncoderForMatches(encoder);
  return delegating;
}