set_resp_body(Body, Req :: cowboy_req:req()) -> Req Body :: cowboy_req:resp_body()
cowboy_req:set_resp_body - Set the response body
set_resp_body(Body, Req :: cowboy_req:req()) -> Req Body :: cowboy_req:resp_body()
Set the response body.
The response body will be sent when a reply is initiated. Note that the functions stream_reply/2,3 and reply/4 will override the body set by this function.
This function can also be used to remove a response body that was set previously. To do so, simply call this function with an empty body.
The body can be either a binary value, an iolist or a sendfile tuple telling Cowboy to send the contents of a file.
The Req object.
A new Req object is returned.
The returned Req object must be used from that point onward, otherwise the body will not be sent in the response.
sendfile tuple.
set_resp_body_fun/2,3 functions were removed.
Req = cowboy_req:set_resp_body(<<"Hello world!">>, Req0).
Req = cowboy_req:set_resp_body([
"<html><head><title>",
page_title(),
"</title></head><body>",
page_body(),
"</body></html>"
], Req0).
{ok, #file_info{size=Size}} = file:read_file_info(Filename),
Req = cowboy_req:set_resp_body({sendfile, 0, Size, Filename}, Req0).
Req = cowboy_req:set_resp_body(<<>>, Req0).
cowboy_req(3), cowboy_req:set_resp_header(3), cowboy_req:set_resp_headers(3), cowboy_req:reply(3), cowboy_req:stream_reply(3)
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