Download file with ajax() POST request via Spring MVC

Question

I try to download a file. The action is triggered by ajax() POST request. The request sends data in JSON format to the controller. The controller gener

Answer 1

Ajax is not going to help you try with hidden form approach

pass you json through form field on click of of your download button submit form

$('#formid').submit();

then in server side

response.setContentType("application/vnd.ms-excel");
            response.setHeader("Content-Disposition", "attachment; filename=filnemae.fileformat");

 ServletOutputStream out = res.getOutputStream();

write on ouput stream then close or flush

if you are sending large data through post update postsize in server.xml