我的目标是有效地将deedle 框架复制到 F# 中的 excel 中。我从未使用过 F# 中的 excel。我受到本教程的启发。
这是我的代码:
#r "Microsoft.Office.Interop.Excel"
open Microsoft.Office.Interop.Excel
/// Export data frame to excel
let exportFrameToExcel (frame: Frame<DateTime, string>) (x,y) =
// Run Excel as a visible application
let app = new ApplicationClass(Visible = true)
// Create new file and get the first worksheet
let workbook = app.Workbooks.Add(XlWBATemplate.xlWBATWorksheet)
// Note that worksheets are indexed from one instead of zero
let worksheet = (workbook.Worksheets.[1] :?> Worksheet)
let mutable col = y+1
for key in frame.ColumnKeys do
worksheet.Cells.[x, col] <- key
col <- col + 1
for i = 0 to frame.RowCount-1 do
let row = frame.GetRowAt(i)
let rowKey = frame.GetRowKeyAt(i)
worksheet.Cells.[i+x+1, y] <- rowKey
for j = 0 to frame.ColumnCount-1 do
let value = row.GetAtAs<float>(j)
worksheet.Cells.[i+x+1, j+y+1] <- value
如果我在复制数据时触摸 excel 窗口,它会很慢并且可能会崩溃。我相信还有很大的改进空间,例如我认为ApplicationClass
应该visible
只在数据被复制后才转向。
我将不胜感激以高效和惯用的方式完成这项任务的一些指导/帮助。谢谢。