asp 格式化时间 | 易学教程

'================================================
'函数名：FormatDate
'作用：格式化日期
'参数：DateAndTime   ----原日期和时间
'        para   ----日期格式
'返回值：格式化后的日期
'================================================
Public Function FormatDate(DateAndTime, para)
On Error Resume Next
Dim y, m, d, h, mi, s, strDateTime
FormatDate = DateAndTime
If Not IsNumeric(para) Then Exit Function
If Not IsDate(DateAndTime) Then Exit Function
y = CStr(Year(DateAndTime))
m = CStr(Month(DateAndTime))
If Len(m) = 1 Then m = "0" & m
d = CStr(Day(DateAndTime))
If Len(d) = 1 Then d = "0" & d
h = CStr(Hour(DateAndTime))
If Len(h) = 1 Then h = "0" & h
mi = CStr(Minute(DateAndTime))
If Len(mi) = 1 Then mi = "0" & mi
s = CStr(Second(DateAndTime))
If Len(s) = 1 Then s = "0" & s
Select Case para
Case "1"
   strDateTime = y & "-" & m & "-" & d & " " & h & ":" & mi & ":" & s
Case "2"
   strDateTime = y & "-" & m & "-" & d
Case "3"
   strDateTime = y & "/" & m & "/" & d
Case "4"
   strDateTime = y & "年" & m & "月" & d & "日"
Case "5"
   strDateTime = m & "-" & d & " " & h & ":" & mi
Case "6"
   strDateTime = m & "/" & d
Case "7"
   strDateTime = m & "月" & d & "日"
Case "8"
   strDateTime = y & "年" & m & "月"
Case "9"
   strDateTime = y & "-" & m
Case "10"
   strDateTime = y & "/" & m
Case "11"
   strDateTime = right(y,2) & "-" &m & "-" & d & " " & h & ":" & mi
Case "12"
   strDateTime = right(y,2) & "-" &m & "-" & d
Case "13"
   strDateTime = m & "-" & d
Case Else
   strDateTime = DateAndTime
End Select
FormatDate = strDateTime
End Function

函数2,6种显示

<%
' ============================================
' 格式化时间(显示)
' 参数：n_Flag
' 1:"yyyy-mm-dd hh:mm:ss"
' 2:"yyyy-mm-dd"
' 3:"hh:mm:ss"
' 4:"yyyy年mm月dd日"
' 5:"yyyymmdd"
' 6:"yyyymmddhhmmss"
' ============================================
Function Format_Time(s_Time, n_Flag)
Dim y, m, d, h, mi, s
Format_Time = ""
If IsDate(s_Time) = False Then Exit Function
y = cstr(year(s_Time))
m = cstr(month(s_Time))
If len(m) = 1 Then m = "0" & m
d = cstr(day(s_Time))
If len(d) = 1 Then d = "0" & d
h = cstr(hour(s_Time))
If len(h) = 1 Then h = "0" & h
mi = cstr(minute(s_Time))
If len(mi) = 1 Then mi = "0" & mi
s = cstr(second(s_Time))
If len(s) = 1 Then s = "0" & s
Select Case n_Flag
Case 1
' yyyy-mm-dd hh:mm:ss
Format_Time = y & "-" & m & "-" & d & " " & h & ":" & mi & ":" & s
Case 2
' yyyy-mm-dd
Format_Time = y & "-" & m & "-" & d
Case 3
' hh:mm:ss
Format_Time = h & ":" & mi & ":" & s
Case 4
' yyyy年mm月dd日
Format_Time = y & "年" & m & "月" & d & "日"
Case 5
' yyyymmdd
Format_Time = y & m & d
case 6
'yyyymmddhhmmss
format_time= y & m & d & h & mi & s
End Select
End Function
%>
<%=format_time(now,1)%>

来源：https://www.cnblogs.com/Jlasp/archive/2013/05/11/3072372.html

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time函数