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;

}