无法在手机下载PDF，但当页面打开时，桌面版PDF打开

Question

1-不工作

function DownloadFile(){
   var link = document.createElement('a');
  link.href = 'http://images.railyatri.in/invoices/ticket_4_44237567_25559827.pdf';
link.download = 'http://images.railyatri.in/invoices/ticket_4_44237567_25559827.pdf';
            link.dispatchEvent(new MouseEvent('click'));} 

2->不是在移动(也是桌面移动版本开发工具)工作，而是为桌面工作。

window. location.href="http://images.railyatri.in/invoices/ticket_4_44237567_25559827.pdf";

3->不工作在移动(但工作在桌面移动版本开发工具pdf打开在新标签)，但为桌面工作。

window.open("http://images.railyatri.in/invoices/ticket_4_44237567_25559827.pdf');

Answer 1

  <a class="button_type_2" href="https://images.railyatri.in/invoices/ticket_4_<%=data['user_id']%>_<%=data['id']%>.pdf"  download="https://images.railyatri.in/invoices/ticket_4_<%=data['user_id']%>_<%=data['id']%>.pdf">Download Ticket</a> 

使用HTTPS而不是HTTP