Jquery Post Download File
Hi there, I'm just trying to download a file generated from PHP with ajax. Even if I set headers PHP and contentType in Ajax parameters, I have still an Download CSV file through ajax post - jQuery Forum. I need to start download manually when $('a#someID').click; But I cannot use window.href method, since it replaces the current page contents with the file you’re trying to download. Instead I want to open the download in new window/tab. How is this possible? JavaScript/jQuery to download file via POST with JSON data. Ask Question Asked 9 years, 1 month ago. Active 11 days ago. I have been awake for two days now trying to figure out how to download a file using jquery with ajax call. All the support i got could not help my situation until i try this. JQuery: The Write Less, Do More, JavaScript Library. Call a local script on the server /api/getWeather with the query parameter zipcode=97201 and replace the element #weather-temp's html with the returned text. JQuery File Download is a cross server platform compatible jQuery plugin that allows for an Ajax-like file download experience that isn’t normally possible using the web. Demo of jquery.fileDownload.js in action with some different examples Example VS2010 MVC 3 application using jquery.fileDownload.js GitHub – Send me a pull request! Occasionally I stumble upon the need to download files from POST requests. An example would be generating PDF files, where the PDF content is dependent on the request. Interestingly this is not as straightforward as you may think, but it's not that hard either. A simple server.
This is the approach I'd now recommend with a few caveats:
- A relatively modern browser is required
- If the file is expected to be very large you should likely do something similar to the original approach (iframe and cookie) because some of the below operations could likely consume system memory at least as large as the file being downloaded and/or other interesting CPU side effects.
Example of the above code in action: https://codesandbox.io/s/fetch-based-file-download-0kxod
jQuery File Download is a cross server platform compatible jQuery plugin that allows for an Ajax-like file download experience that isn't normally possible using the web.
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Demo (of this exact source):
Source here:
Targeting pretty modern browser(s)?
This might be a better solution to your problem https://github.com/eligrey/FileSaver.js/
Requirements
- jQuery 1.6+
Common questions and answers
- Q: I need to send in custom headers. How do I do that?
- Unfortunately since this plugin uses an iframe and not AJAX you cannot send in custom headers. If you really need to do this and are willing to accept a more narrow range of browser support this might be a better solution to your problem https://github.com/eligrey/FileSaver.js/
- Q: It doesn't work!?
- Try out the demo and make sure you are doing exactly what it is doing: http://jqueryfiledownload.apphb.com/ If the demo doesn't work in your browser you have defintely found a bug and us know!
- Due to iframe security restrictions you must serve up the file from the same domain you see in the address bar
Supported and tested browsers
- Internet Explorer 6+ - Works fine for standard use cases except in < IE9 JavaScript access to the failed response HTML doesn't (and can't) work reliably due to browser iframe constraints.
- Firefox 11+ - reasonably sure it will work on earlier versions
- Chrome 17+ - reasonably sure it will work on earlier versions
- iOS 5.0+ - reasonably sure it will work on earlier versions
- Android 4.0+ - non-GET requests do not work due to a long-standing bug in the Android browser. This is handled 'gracefully' with a message to the user.
More details here:http://johnculviner.com/post/2012/03/22/Ajax-like-feature-rich-file-downloads-with-jQuery-File-Download.aspx
Example of writing cookie (MVC):
Asp.net Mvc Jquery Post Download File
https://github.com/johnculviner/jquery.fileDownload/blob/master/src/Common/FileDownloadAttribute.cs
The above attribute can be used on any controller action that may return a file download that you would like to use jquery.fileDownload.js with
For more information and documentation please visit:
Open Download File
Or look at the well documented JavaScript source:
Ruby on Rails integration
Jquery Post Request Download File
The jquery_file_download-railsgem integrates jquery.fileDownload.js into the Rails 3.1+ asset pipeline.