private void validateUserCode(SysUser user, Errors errors) { ValidationUtils.rejectIfEmptyOrWhitespace(errors, "userCode", null, "请填写帐号"); if (!errors.hasFieldErrors("userCode")) { String userCode = user.getUserCode(); SysUser obj = userDao.findByUserCode(userCode); if (obj != null) { errors.rejectValue("userCode", null, "帐号已存在"); } } }