How to do page numbering in header/footer htmls with wkhtmltopdf?

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I\'m developing an electronic invoicing system, and one of our features is generating PDFs of the invoices, and mailing them. We have multiple templates for invoices, and wi

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日久生厌

2020-12-07 13:20

From the wkhtmltopdf documentation (http://madalgo.au.dk/~jakobt/wkhtmltoxdoc/wkhtmltopdf-0.9.9-doc.html) under the heading "Footers and Headers" there is a code snippet to achieve page numbering:

<html><head><script>
function subst() {
  var vars={};
  var x=document.location.search.substring(1).split('&');
  for(var i in x) {var z=x[i].split('=',2);vars[z[0]] = unescape(z[1]);}
  var x=['frompage','topage','page','webpage','section','subsection','subsubsection'];
  for(var i in x) {
    var y = document.getElementsByClassName(x[i]);
    for(var j=0; j<y.length; ++j) y[j].textContent = vars[x[i]];
  }
}
</script></head><body style="border:0; margin: 0;" onload="subst()">
<table style="border-bottom: 1px solid black; width: 100%">
  <tr>
    <td class="section"></td>
    <td style="text-align:right">
      Page <span class="page"></span> of <span class="topage"></span>
    </td>
  </tr>
</table>
</body></html>

There are also more available variables which can be substituted other than page numbers for use in Headers/Footers.

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