Export report file as xlsx or pdf on Flutter web app

[Adrian Rusin]

Hi Everyone!

I'm developing an admin panel by using latest Flutter SDK. So it's not required to use css or html. 

I've used only Flutter languages.

That's fine so far.

But I have a problem to export some reports as xlsx or pdf. It should be downloaded to client's computer.

Could you please help me to manage file create/edit/download?

Thanks

Adrian

[Oleksii Shliama]

Hey Adrian,

The same situation here. Spent several hours searching and cannot find a thing. Have you found out the way to export files from flutter web app?

[Terje A. Bergesen]

They should be generated on the server side, not from flutter. IMnsHO. 

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Terje A Bergesen - te...@bergesen.info

"Vae, puto deus fio" -- Vespasian, not his last words though

[Oleksii Shliama]

I don't see why I should use the backend to generate simple configuration JSON file, dart code does it well enough.
Anyways, for anybody interested, I got 2 solutions working - check this SO https://stackoverflow.com/questions/59663377/how-to-save-and-download-text-file-in-flutter-web-application

On Saturday, February 15, 2020 at 12:45:41 AM UTC+2, Terje A. Bergesen wrote:

They should be generated on the server side, not from flutter. IMnsHO. 

fre. 14. feb. 2020 kl. 19:33 skrev Oleksii Shliama <o.sh...@gmail.com>:

Hey Adrian,

The same situation here. Spent several hours searching and cannot find a thing. Have you found out the way to export files from flutter web app?

On Thursday, December 5, 2019 at 11:32:48 AM UTC+2, Adrian Rusin wrote:

Hi Everyone!

I'm developing an admin panel by using latest Flutter SDK. So it's not required to use css or html. 

I've used only Flutter languages.

That's fine so far.

But I have a problem to export some reports as xlsx or pdf. It should be downloaded to client's computer.

Could you please help me to manage file create/edit/download?

Thanks

Adrian

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[Mahesh Pawar]

I have successfully exported CSV file using flutter web .. and XLSX file in flutter desktop. but still no luck with XLSX on flutter web

 String csv = const ListToCsvConverter().convert(rows);
 String encodedFileContents = Uri.encodeComponent(csv);
 print(encodedFileContents);
 new html.AnchorElement(href: "data:text, $encodedFileContents")
   ..setAttribute("download", "report.csv")
   ..click();