I have a file uploader module. The UI is created using simple HTML and Javascript.
Server side I am using Java code. I want to check the type of the uploaded file.
I have a file uploader module. The UI is created using simple HTML and
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I have a file uploader module. The UI is created using simple HTML and Javascript.
Server side I am using Java code. I want to check the type of the uploaded file.
Files don’t really have types. The best you can do would be to attempt to load the file as an XLS.
You can also look at the uploaded file name or the content type, but neither of these is definitive; i.e. they might say that the file is an XLS when it is something completely different.