Page number for dynamically generated pages in mPD

2019-09-20 15:11发布

站内问答 / PHP
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I am using mPDF with Codeigniter for creating PDF files. I have a problem when adding page number. I have some result sets that are generated via database queries and I pass them to my html file to display that data. According to the number of results it creates and converts to pdf format with number of pages. Problem is I cannot add page numbers when it generates more than one page. I am using the basic examples for this operation. Please help me on this!

My controller code

$result_1 = $this->Vessel_model->getManifestVesselDetails($vesselId,$containerId);
$result_2 = $this->Vessel_model->getVesselDetailsByContainer($vesselId,$containerId);
$result_3 = $this->Vessel_model->getDDByVesselContainer($vesselId,$containerId);

$data['agentDetails'] = $this->Vessel_model->getShippingAgents();        
$data['DD_SDNumber'] = $this->DD_SDNumber;
$data['DDdetails'] = $result_3;
$data['containerDetails'] = $result_2;
$data['vesselcontainerDetails'] = $result_1;

$html = $this->load->view('reports/tri_shipping_manifest_PDF', $data, true);
//this the the PDF filename that user will get to download
$pdfFilePath = APPPATH.'/'.date('Y-m-d').$result_1->vessel.'-'.$result_1->serialno.".pdf";
$pdfFilePath3 = date('Y-m-d').$result_1->vessel.'-'.$result_1->serialno.".pdf";

$this->load->library('pdfreports');
$this->pdf = $this->pdfreports->load();
//$this->pdf->setFooter('{PAGENO}');
$this->pdf->AddPage('L','',1,'i','on'); 
$this->pdf->WriteHTML($html,0);
$this->pdf->Output($pdfFilePath3, "D");
$this->pdf->Output($pdfFilePath, "F");

1条回答
别忘想泡老子
2楼-- · 2019-09-20 15:34

I don't know how current code should look like, because i don't know much about mPDF, but i would suggest you to use domPdf with Codeigniter, because is much simpler then this library. You can find domPdf here

Since we don't know what is the output for those variables and what should be printed in pdf, i can only suggest some generally code created with domPdf

create helper:

<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
    function pdf_create($html, $filename='', $stream=TRUE){
      require_once("dompdf/dompdf_config.inc.php");         
      $dompdf = new DOMPDF();
      $dompdf->load_html($html);
      $dompdf->render();
      $dompdf->set_paper("A4");
      if ($stream) {
        $dompdf->stream($filename.".pdf",1);
      } else {
        return $dompdf->output();
      }
    }
?>

create controller for pdf

<?php
  $data['store']=$res;  
  $this->load->helper(array('dompdf', 'file'));
  $html = $this->load->view('store/sales_pdf', $data, true);
  $html.= $this->load->view('footer');
  $filename="salesbill".$id;
  pdf_create($html, $filename);
  $data = pdf_create($html, '', false);
  write_file('name', $data); 
?>

And your pdf HTML would look something like this

<html>
  <head>
   <style>
     @page { margin: 180px 50px; }
     #header { position: fixed; left: 0px; top: -180px; right: 0px; height: 150px; background-color: orange; text-align: center; }
     #footer { position: fixed; left: 0px; bottom: -180px; right: 0px; height: 150px; background-color: lightblue; }
     #footer .page:after { content: counter(page, upper-roman); }
   </style>
  <body>
   <div id="header">
     <h1>Widgets Express</h1>
   </div>
   <div id="footer">
     <p class="page">Page <?php $PAGE_NUM ?></p>
   </div>
   <div id="content">
     <p>the first page</p>
     <p style="page-break-before: always;">the second page</p>
   </div>
 </body>
 </html>

This answer is based on this stackoverflow question Also here is nice domPdf debug helper page I hope this answer helps you out

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