views/saman-redirector.blade.php

<html>
    <body>
        <script>
        	var form = document.createElement("form");
        	form.setAttribute("method", "POST");
        	form.setAttribute("action", "https://sep.shaparak.ir/Payment.aspx");
        	form.setAttribute("target", "_self");

            var params = {
                Amount: '{{$amount}}',
                MID: '{{$merchant}}',
                ResNum: '{{$resNum}}',
                RedirectURL: '{{$callBackUrl}}',
            };

            for(var key in params){

                var hiddenField = document.createElement("input");
                hiddenField.setAttribute("name", key);
                hiddenField.setAttribute("value", params[key]);

                form.appendChild(hiddenField);
            }


        	document.body.appendChild(form);
        	form.submit();
        	document.body.removeChild(form);
        </script>
    </body>
</html>