ASP开发中有用的函数(function)集合(1)
网络整理 - 09-17
ASP开发中有用的function集合,挺有用处的!希望大家保留!
以下为引用的内容:
<%'*************************************
'防止外部提交
'*************************************
function ChkPost()
dim server_v1,server_v2
chkpost=false
server_v1=Cstr(Request.ServerVariables("HTTP_REFERER"))
server_v2=Cstr(Request.ServerVariables("SERVER_NAME"))
If Mid(server_v1,8,Len(server_v2))<>server_v2 then
chkpost=False
else
chkpost=True
end If
end function
'*************************************
'IP过滤
'*************************************
function MatchIP(IP)
on error resume next
MatchIP=false
Dim SIp,SplitIP
for each SIp in FilterIP
SIp=replace(SIp,"*","\d*")
SplitIP=split(SIp,".")
Dim re, strMatchs,strIP
Set re=new RegExp
re.IgnoreCase =True
re.Global=True
re.Pattern="("&SplitIP(0)"|).""("&SplitIP(1)"|).""("&SplitIP(2)"|).""("&SplitIP(3)"|)"
Set strMatchs=re.Execute(IP)
strIP=strMatchs(0).SubMatches(0) & "." & strMatchs(0).SubMatches(1)& "." & strMatchs(0).SubMatches(2)& "." & strMatchs(0).SubMatches(3)
if strIP=IP then MatchIP=true:exit function
Set strMatchs=Nothing
Set re=Nothing
next
end function
'*************************************
'获得注册码
'*************************************
Function getcode()
getcode= "<img src=""common/getcode.asp"" alt="""" style=""margin-right:40px;""/>"
End Function
'*************************************
'限制上传文件类型
'*************************************
Function IsvalidFile(File_Type)
IsvalidFile = False
Dim GName
For Each GName in UP_FileType
If File_Type = GName Then
IsvalidFile = True
Exit For
End If
Next
End Function
'*************************************
'检测是否只包含英文和数字
'*************************************
Function IsValidChars(str)
Dim re,chkstr
Set re=new RegExp
re.IgnoreCase =true
re.Global=True
re.Pattern="[^_\.a-zA-Z\d]"
IsValidChars=True
chkstr=re.Replace(str,"")
if chkstr<>str then IsValidChars=False
set re=nothing
End Function
'*************************************
'检测是否只包含英文和数字
'*************************************
Function IsvalidValue(ArrayN,Str)
IsvalidValue = false
Dim GName
For Each GName in ArrayN
If Str = GName Then
IsvalidValue = true
Exit For
End If
Next
End Function
'*************************************
'检测是否有效的数字
'*************************************
Function IsInteger(Para)
IsInteger=False
If Not (IsNull(Para) Or Trim(Para)="" Or Not IsNumeric(Para)) Then
IsInteger=True
End If
End Function
'*************************************
'用户名检测
'*************************************
Function IsValidUserName(byVal UserName)
on error resume next
Dim i,c
Dim VUserName
IsValidUserName = True
For i = 1 To Len(UserName)
c = Lcase(Mid(UserName, i, 1))
If InStr("$!<>?#^%@~`&*();:+='"" ", c) > 0 Then
IsValidUserName = False
Exit Function
End IF
Next
For Each VUserName in Register_UserName
If UserName = VUserName Then
IsValidUserName = False
Exit For
End If
Next
End Function
'*************************************
'检测是否有效的E-mail地址
'*************************************
Function IsValidEmail(Email)
Dim names, name, i, c
IsValidEmail = True
Names = Split(email, "@")
If UBound(names) <> 1 Then
IsValidEmail = False
Exit Function
End If
For Each name IN names
If Len(name) <= 0 Then
IsValidEmail = False
Exit Function
End If
For i = 1 to Len(name)
c = Lcase(Mid(name, i, 1))
If InStr("abcdefghijklmnopqrstuvwxyz_-.", c) <= 0 And Not IsNumeric(c) Then
IsValidEmail = false
Exit Function
End If
Next
&nbs
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