workbook = RubyXL::Parser.parse(params[:file].path)
worksheet = workbook[0]
puts worksheet.sheet_data[0][0]

<RubyXL::Cell(0,0): "0", datatype="s", style_index=1>

name    coupon
    gates   gates1234
    jobs    jobs1234

worksheet.extract_data

worksheet.extract_data

worksheet.extract_data

worksheet.extract_data

worksheet.extract_data[0]