【www.gdgbn.com--安卓教程】

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    $sql1="update vote set vcount=vcount+1 where id=$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>";
 }
}

本文来源：http://www.gdgbn.com/shoujikaifa/26992/