php简单的投票系统[原创]
<?php
include_once("../inc/connect.php");
$value =$_SERVER['HTTP_HOST'];
if(empty($_COOKIE["cook"])){
if(sizeof($_POST)<9){ exit("<script>alert('对不起，你还有选项未选！');history.back();</script>");}
for($i=1;$i<=8;$i++){
$c =$_POST['r'.$i];
switch( intval($c) ){
case 0:
$word ='vote_r1';
break;
case 1:
$word ='vote_r2';
break;
case 2:
$word ='vote_r3';
break;
default:
exit('error');
}
$sql ="update gx_votes set $word=$word+1,vote_times=vote_times+1 where id=$i";
mysql_query($sql) or die(mysql_error());
}
if( !empty($_POST['r9']) || !empty($_POST['r10']) ){ sava_voteinfo();}
echo "<script>alert('感谢你的参与，你的报表己提交！');history.back();</script>";
setcookie("cook", $value, time()+7200, "/");
}else{
print "对不起，你己经投票了，<a href=# onclick=\"history.back();\">点击返回</a>";
}
function sava_voteinfo(){
$vote_modi =addslashes(php_sava(isset($_POST['r9'])?$_POST['r9']:''));
$vote_info =addslashes(php_sava(isset($_POST['r10'])?$_POST['r10']:''));
$vote_ip =isset($_SERVER['REMOTE_ADDR'])?$_SERVER['REMOTE_ADDR']:'未获取到ＩＰ';
$vote_time =date("Y-m-d H:i:s");
$vote_sql ="Insert into gx_voteguest(vote_ip,vote_modi,vote_info,vote_time) value('$vote_ip','$vote_modi','$vote_info','$vote_time')";
mysql_query($vote_sql) or die('error');
}
function php_sava($str)
{
$farr = array(
"/\s+/",
"/<(\/?)(script|i?frame|style|html|body|title|link|meta|\?|\%)([^>]*?)>/isU",
"/(<[^>]*)on[a-zA-Z]+\s*=([^>]*>)/isU",
);
$tarr = array(
" ",
"＜\\1\\2\\3＞", //如果要直接清除不安全的标签，这里可以留空
"\\1\\2",
);
$str = preg_replace( $farr,$tarr,$str);
return $str;
}
?>