Handle "File save as" event in JS

Question

I need: 1) Get data from server by button click. (can ajax) 2) Execute some js depending on the received data. 3) Show standard "File save as" dialog.
It must work in IE7/IE8/FF.

Thanks! And sorry for my crooked english =)

JochenJung · Accepted Answer · 2010-08-05 09:19:27Z

1

You can call a PHP file using ajax, which looks like this:

header("Content-Type: application/octet-stream");
header("Content-Length: " . filesize($fileContent));
header("Content-Disposition: attachment; filename=\"".$fileName."\"");
echo $fileContent;

This will display the "save as" dialog box in all browsers.

edited Aug 5, 2010 at 9:19

answered Aug 5, 2010 at 8:21

JochenJung

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4 Comments

Glum Over a year ago

And how i can execute java script before "save as" dialog ?

JochenJung Over a year ago

Execute it in your main JS-script and pass it as a parameter to the PHP file.

Glum Over a year ago

But I need execute script after receiving data but before "save as" dialog"

bobince Over a year ago

filename= is not a valid header. You probably mean Content-Disposition: attachment; filename="...". The Content-Transfer-Encoding is also superfluous, and none of the headers should contain a trailing ;.

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