fsharp处理Excel数据

// Reference the Excel interop assembly
#r "Microsoft.Office.Interop.Excel"
open Microsoft.Office.Interop

// Run Excel as a visible application
let app = new ApplicationClass(Visible = true)

// Open a exiting file
let xlWorkBook = xlApp.Workbooks.Open(@"C:\Users\Ray\Desktop\0db-1m\test.xlsx")
et worksheet= xlWorkBook.Worksheets.["Sheet1"] :?>Excel.Worksheet