Dim xbook As Workbook
Dim xsheet As Worksheet
Private Sub Form_Load()
Set xls = New Excel.Application
xls.Visible = True
Set xbook = xls.Workbooks.Open("d:\test.xls") '打開xls文件
Set xsheet = xbook.ActiveSheet '找到表
xsheet.Range("E1").FormulaR1C1 = "=AVERAGE(C[-4])" '設置求平均值的公式
End Sub