问题
Is it possible to access the "topage" variable within the main content body?
I know you can do it in headers and footers but in this specific use case, I need to put a sentence within the body that says:
"This document contains XX pages".
回答1:
This works to me. But need to be in the header (ou footer) In the body I think it is not possible, like they said in the GitHub http://github.com/wkhtmltopdf/wkhtmltopdf/issues/1889
To put this info in the footer you can see @Unixmonkey in this link: https://github.com/mileszs/wicked_pdf#page-numbering
<html>
<head>
<script>
function number_pages() {
var vars={};
var x=document.location.search.substring(1).split('&');
for(var i in x) {var z=x[i].split('=',2);vars[z[0]] = decodeURIComponent(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 onload="number_pages()">
Page <span class="page"></span> of <span class="topage"></span>
</body>
</html>来源：https://stackoverflow.com/questions/25784943/how-do-i-get-total-pages-in-wkhtmltopdf-body