http - "Save As" popup in response to a POST request? -


is possible browser popup save as... dialog when doing post (rather get) request?

using spring framework, i'm trying build service receive data (a two-dimensional json array), , produce excel file user prompted download.

by doing request, eg browsing directly url, can browser display popup setting headers similar this:

response.setheader("content-disposition", "attachment; filename=" + filename) response.setcontenttype("application/vnd.ms-excel")

i need allow client post data used build excel file though, implies post request. same headers returned, no popup.

is there way achieve this, or popup appear requests? i'm thinking two-step process; 1) allow client post data, , return sort of reference key, 2) allow client request , include key, , return relevant headers cause browser popup dialog.

any other thoughts on how this?

thanks

it's possible. i'm not sure did wrong first time tried out.


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