TCPDF

ajax.php

<?
require($_SERVER['DOCUMENT_ROOT'] . '/bitrix/modules/main/include/prolog_before.php');
require_once($_SERVER['DOCUMENT_ROOT'] . "/bitrix/php_interface/libs/tcpdf/tcpdf.php");

use Bitrix\Main\Application;
use Bitrix\Main\Context;

$obRequest = Application::getInstance()->getContext()->getRequest();

$intID = $obRequest->get('id');
$strName = $obRequest->get('name');
$strText = $obRequest->get('textHtml');

if (!empty($intID) && !empty($strName) && !empty($strText)) {

    // create new PDF document
    $pdf = new TCPDF('P', 'mm', 'A4', true, 'UTF-8');

    // set document information
    $pdf->SetTitle('Объект ' . $intID);

    $pdf->SetTextColor(68, 68, 68);

    // set default header data
    $pdf->SetHeaderData(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, PDF_HEADER_TITLE, PDF_HEADER_STRING);

    //set margins
    $pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
    $pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
    $pdf->SetFooterMargin(PDF_MARGIN_FOOTER);

    $pdf->SetFont(PDF_FONT_NAME_MAIN, '', 12, '', true);

    //set auto page breaks
    $pdf->SetHeaderFont(array(
        PDF_FONT_NAME_MAIN, 'B', 10
    ));

    $pdf->SetFooterFont(array(
        PDF_FONT_NAME_MAIN, 'B', 10
    ));


    // add a page
    $pdf->AddPage();

    $strHtml = $strText;

    $pdf->WriteHTML($strHtml, true, false, false);

    $pdf->Output($_SERVER['DOCUMENT_ROOT'] . 'tcpdf-file/pdf/item_' . $intID . '.pdf', 'F');

    if (file_exists($_SERVER['DOCUMENT_ROOT'] . 'tcpdf-file/pdf/item_' . $intID . '.pdf')) {
        $arResult['NAME'] = $strName;
        $arResult['PATH'] = '/tcpdf-file/pdf/item_' . $intID . '.pdf';
        echo json_encode($arResult);
    }

}

scripts.js

//get pdf
    $('body').on('click', '.link_get_pdf', function () {
        var obj = new Object();
        var name = $(this).attr('href');
        var id = $(this).closest('.object__services').attr('data-id');
        var textHtml = $('.wrap_pdf_file').html();

        if (name !== '' && id !== '' && textHtml !== '') {
            showSpinner();

            obj.name = name;
            obj.id = id;
            obj.textHtml = textHtml;

            $.ajax(
                {
                    url: "/tcpdf-file/ajax.php",
                    dataType: "text",
                    data: obj,
                    type: "post",
                    success: function (ans) {
                        var result = JSON.parse(ans);
                        var name = result.NAME;
                        var path = result.PATH;
                        // console.log(ans);
                        // console.log(result.NAME);

                        setTimeout(function () {
                            if(name === 'send'){

                            }else if(name === 'print'){
                                var file = window.open(path);
                                file.print();
                            }else{
                                window.open(path);
                            }
                            hideSpinner();
                        }, 1000);
                    }
                });
        }
        return false;
    });