防刷新,只有关闭浏览器才会增加点击量

$_REQUEST[id]为我们访问的商品id

//开启session

session_start ();

//获取是否有上次访问的session

$click_out = $_SESSION['array'];

if($click_out){

//本次访问商品是否是上次访问

    $zhi = array_search(md5($_REQUEST[id]),$click_out);
    //echo $zhi;die;
    if($zhi==false){
     //让程序依次执行下去
    }else{
        $click_out[] = md5($_REQUEST[id]);
        $_SESSION['array'] = $dd;
        $a = $db->query('UPDATE ' . $ecs->table('goods') . " SET click_count = click_count + 1 WHERE goods_id = '$_REQUEST[id]'");
        //echo "a";die;
    }
    //var_dump($array_key);die;

}else{

//第一次访问

    $array[] =  md5($_REQUEST[id]);
   // $array[][''] =  $_REQUEST[id];
    //var_dump($array);die;
    $_SESSION['array'] = $array;
    $db->query('UPDATE ' . $ecs->table('goods') . " SET click_count = click_count + 1 WHERE goods_id = '$_REQUEST[id]'");
    //echo "a";die;
}