php - download file from ajax -

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i'm setting html exporting excel , doing via jquery $.post. result data

$.post('/exporttoexcel.php', function(data) {         // data file want download now... how trigger it? });

data returned value (the file) server, doing alert(data) output bigger window full of lol. how trigger file able download?

you cannot using ajax. load file in iframe, , send http header file:

content-disposition: attachment

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