if $smarty.session.userinfo.user_id == ""

$user_name: $user_pwd: if $view_config.view_login_validate=='1' $user_code:   /if  

$user_login

$user_register

$forget_pwd

else $user_hello$username
$user_grade: $smarty.session.userinfo.user_grade_name
$user_grade_discount: if $smarty.session.userinfo.user_grade_discount!=''$smarty.session.userinfo.user_grade_discount$user_grade_discount1else$user_grade_discount_null/if
$login_out /if