DateDiff()函式返回兩個指定的時間間隔之間的差值。
語法
DateDiff(interval, date1, date2 [,firstdayofweek[, firstweekofyear]])
引數
新增一個模組,並新增以下範例程式碼 -
Private Sub Constant_demo_Click()
Dim fromDate as Variant
fromDate = "01-Jan-09 00:00:00"
Dim toDate as Variant
toDate = "01-Jan-10 23:59:00"
msgbox("Line 1 : " &DateDiff("yyyy",fromDate,toDate))
msgbox("Line 2 : " &DateDiff("q",fromDate,toDate))
msgbox("Line 3 : " &DateDiff("m",fromDate,toDate))
msgbox("Line 4 : " &DateDiff("y",fromDate,toDate))
msgbox("Line 5 : " &DateDiff("d",fromDate,toDate))
msgbox("Line 6 : " &DateDiff("w",fromDate,toDate))
msgbox("Line 7 : " &DateDiff("ww",fromDate,toDate))
msgbox("Line 8 : " &DateDiff("h",fromDate,toDate))
msgbox("Line 9 : " &DateDiff("n",fromDate,toDate))
msgbox("Line 10 : "&DateDiff("s",fromDate,toDate))
End Sub
執行上面範例程式碼,得到以下結果 -
Line 1 : 1
Line 2 : 4
Line 3 : 12
Line 4 : 365
Line 5 : 365
Line 6 : 52
Line 7 : 52
Line 8 : 8783
Line 9 : 527039
Line 10 : 31622340