ruby-on-rails ruby-on-rails-4 binary rubyxl

how to convert RubyXL workbook to binary in rails

I used gem RubyXL to export something to a workbook, and I do not want to use workbook.write() to create a file, but want to save the workbook to mysql DB as binary.

how can i convert the RubyXL workbook to binary?

Solution

I find a solution just now it is

workbook.stream.read

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