php简单的投票系统[原创]

php简单的投票系统[原创]

include_once("../inc/connect.php");
 $value =$_SERVER['HTTP_HOST']; 
 if(empty($_COOKIE["cook"])){  
  if(sizeof($_POST)alert('对不起，你还有选项未选！');history.back();");}
  for($i=1;$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，点击返回";
 }

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+/",                                                                                         
        "/]*?)>/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;
}

?>