php $HTTP_COOKIE_VARS 实例投票资料限制
发布:smiling 来源: PHP粉丝网 添加日期:2014-08-15 16:42:00 浏览: 评论:
- if ($http_cookie_vars["vote"]) {
- echo "<script>alert('您已经投过票了,请不要重复投票');history.back();</script>";
- exit;
- }
- $vcount=$_post["vcount"];
- $lld=$_post["jump"];
- $tys=$_post["tys"];
- if (!$vcount) {
- echo "<script>alert('您还没有选择任何投票项目');history.back();</script>";
- exit;
- }
- $db=@mysql_connect("localhost","root","root") or die("数据库教程连接失败");
- mysql_select_db("vote",$db);
- if ($vcount&&$lld) {
- if ($tys=="1") {
- $sql="update vote set vcount=vcount+1 where id=$vcount";
- $result=mysql_query($sql,$db);
- setcookie("vote","vote",time()+3600);
- echo "<script>alert('投票成功!');location.href='vote.php?id=$lld';</script>";
- }
- else {
- for ($i=0;$i<sizeof($vcount);$i++) {
- $sql1="update vote set vcount=vcount+1 where id=$vcount[$i]";
- $result1=mysql_query($sql1,$db);
- }
- setcookie("vote","vote",time()+3600);
- echo "<script>alert('投票成功!');location.href='vote.php?id=$lld';</script>";
- }
- }
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