ASP开发中有用的function集合,挺有用处的!希望大家保留!
<%
'*************************************
'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