求大神帮忙看看哪里错了
程序员文章站
2022-05-26 14:09:07
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if (!isset($_SESSION["sn"])){$_SESSION['sn']=0;setcookie('sn',$sn,time()+1); if($_POST["submit"]){ if($sn=3) {
alert("抱歉,您已经点击了3次"); location.href="zp.php";
exit(); } elseif ($sn=="tull") {
alert("123"); location.href="zp.php";
exit(); } $newitem=$_POST["zp_user"]; $sql="insert into vote (awards,sn,pnone) values (1,'$sn',1)"; if(mysql_query($sql)) { $sn==$_SESSION['sn']+1; }} if($_POST["submit2"]){ if(empty($_POST['sn']))$_SESSION['zp_user']=$_POST['pnone'];$sql="insert into zp_user values('".($_POST['sn'])."')"; if(mysql_query($sql)) { }}}
回复讨论(解决方案)
if(mysql_query($sql))
{
$sn ==$_SESSION['sn']+1;
}
为何用==?
代码怎么都是分开的,这样很难看得到……
if($_POST["submit"]){
if($sn =3)
应为 ==
if($_POST["submit"]){
if($sn=3) // ==
{
= 是赋值
== if条件判断才用到
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