Dim dt As Table = Tables("扫码数据表")
Dim Book As New XLS.Book '定义一个Excel工作簿
Dim Sheet As XLS.Sheet = Book.Sheets(0) '引用工作簿的第一个工作表
Dim Style As Xls.Style = Book.NewStyle '新建一个样式
Style.BackColor = Color.Red '样式的背景颜色设为红色
For c As Integer = 0 To dt.Cols.Count -1 '添加列标题
Sheet(0, c).Value = dt.Cols(c).Name
Next
For r As Integer = 0 To dt.Rows.Count - 1 '填入数据
For c As Integer = 0 To dt.Cols.Count -1
Sheet(r +1, c).Value = dt.rows(r)(c)
Next
Next
'打开工作簿
Book.Save("c:\reports\test.xls")
Dim Proc As New Process
Proc.File = "c:\reports\test.xls"
Dim St2 As XLS.Style = Book.NewStyle
St2.Format = "yyyy-MM-dd"
Sheet.Cols(dt.Cols("扫码时间").Index).Style = st2
Proc.Start()