axlsx hyperlink
p = Axlsx::Package.new
book = p.workbook
book.add_worksheet(:name => 'hyperlinks') do |sheet|
# external references
sheet.add_row ['axlsx']
sheet.add_hyperlink :location => 'https://github.com/randym/axlsx', :ref => sheet.rows.first.cells.first
# internal references
sheet.add_hyperlink :location => "'Next Sheet'!A1", :ref => 'A2', :target => :sheet
sheet.add_row ['next sheet']
end