<logic:notEmpty name="registerMessage" scope="session">
<bean:write scope="session" name="registerMessage" />
</logic:notEmpty>JSP页面中的代码-------------------------------------------------------------------------------
if (!rand.equals(SessionRand)) {
session.setAttribute("registerMessage", "验证码错误,请重新输入!~");
return mapping.findForward("register");
}
else
{
System.out.println("验证码正确");
} } catch (Exception ex) {
System.err.println(ex.getMessage());
}
session.removeAttribute("registerMessage");
return mapping.findForward("main");
}ACTION中的代码