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I have this application I’m developing in JSP and I wish to export some data from the database in XLS (MS Excel format).
Is it possible under tomcat to just write a file as if it was a normal Java application, and then generate a link to this file? Or do I need to use a specific API for it?
Will I have permission problems when doing this?
While you can use a full fledged library like JExcelAPI, Excel will also read CSV and plain HTML tables provided you set the response MIME Type to something like ‘application/vnd.ms-excel’.
Depending on how complex the spreadsheet needs to be, CSV or HTML can do the job for you without a 3rd party library.