11.
@贰拾伍，网上找个验证码类，然后。。。会php的应该都会了吧。。
14.
@贰拾伍，if ($user == "") {
echo "<div class='err'>";
echo "目前您还没登录哦.请<a href=\"../\">点击登录</a>.";
$date = date("Y-m-j H:i:s ");
echo "</div>";
include ("../content/foot.php");
exit();
}
16.
@情醉中国风，if ($user == "") {
echo "<div class='err'>";
echo "目前您还没登录哦.请<a href=\"../\">点击登录</a>.";
$date = date("Y-m-j H:i:s ");
echo "</div>";
include ("../content/foot.php");
exit();
}
19. 看我的，
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /></head>
不允许自由发帖！
<br><a href="/">返回首页</a>
@贰拾伍，
@Mine陈，