controller
@RequestMapping(value = { "/downloadFile.do" }, method = { org.springframework.web.bind.annotation.RequestMethod.POST })
public ModelAndView downloadFile(
@RequestParam(value = "path", required = true) String path) {
File file = new File(path);
File downloadFile = new File(path);
return new ModelAndView("fileDownload", "downloadFile", downloadFile);
}jsp
<html>
<button onclick="downloadFile('${path}')"></button>
<html>
<script type="text/javascript">
function downloadFile(path) {
$('<form>', {
"id": "downloadForm",
"name" : "downloadForm" ,
"method" : "post",
"action": "${pageContext.request.contextPath}/downloadFile.do?path="+path
}).appendTo(document.body).submit();
}
</script>
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