@Override
  public int changeUserPassword(int userId, String encryptNewPassword) {
    AdminUser adminUser = new AdminUser();
    adminUser.setPassword(encryptNewPassword);

    AdminUserCriteria criteria = new AdminUserCriteria();
    criteria.createCriteria().andIdEqualTo(userId);
    return adminUserMapper.updateByExampleSelective(adminUser, criteria);
  }
 @Override
 public int updateByCriteria(AdminUser t, AdminUserCriteria criteria) {
   return adminUserMapper.updateByExampleSelective(t, criteria);
 }