public class SunPasswordEncoder implements PasswordEncoder{

 

//@实现加密的方法，既将明文转换为密文的方法

 public String encodePassword(String rawPass, Object salt)

   throws DataAccessException {

  String pass = null;

  try {

   pass = Tools.encryptBasedDes(rawPass);

  } catch (Exception e) {

   e.printStackTrace();

  }

  return pass;

 }

 

 //@验证密码是否有效的方法，返回'true'则登录成功

 public boolean isPasswordValid(String encPass, String rawPass, Object salt)

   throws DataAccessException {

  

  String pass1 = "" + encPass;

  String pass2 = encodePassword(rawPass, salt);

  return pass1.equals(pass2);

 }

 

 

<bean id="myEncoder" class="com.xxx.common.SunPasswordEncoder" />

  

 <!-- 后台管理权限认证 -->

 <sec:authentication-provider user-service-ref="xxxxxxServiceImpl">

  <!-- sec:password-encoder hash="md5" / -->

  <sec:password-encoder ref="myEncoder" />

 </sec:authentication-provider>

 

 

加密方式：