ruby Operation Excel

require 'win32ole'
excel = WIN32OLE.new("excel.application")
workbook = excel.Workbooks.Open('D:/test1.xls')    
worksheet = workbook.Worksheets("test1") 
worksheet.Select
row = worksheet.usedrange.rows.count
column = worksheet.usedrange.columns.count
worksheet.usedrange.each{|cell|
  puts cell.value
}
for i in 1..row do
  for j in 1..column do
    puts worksheet.usedrange.cells(i,j).value
  end 
end
workbook.close
excel.Quit

Reference: https://www.jianshu.com/p/35d5278dce1e