<form action="login.php" method="post">
<input type='hidden' name='s' value='{sessionid}' />
<input type='hidden' name='do' value='login' />
<input type='hidden' name='cookiedate' value='1' />
<input type="text" size="20" name="username" onfocus="this.value=''" value="{$lang['username']}" class='bginput' />
<input type='password' size='20' name='password' onfocus="this.value=''" value='' class='bginput' />
<select name="cookiedate">
<option value="31536000">{$lang['oneyear']}</option>
<option value="2592000">{$lang['onemonth']}</option>
<option value="86400">{$lang['oneday']}</option>
<option value="3600">{$lang['onehour']}</option>
<option value="0">{$lang['browser']}</option>
</select>
<input type='submit' value='{$lang['_ok']}' class='button' />
</form>
这样得吗？