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方式一：
代碼如下:

<%
Function IsSelfRefer()
Dim formUrl,relUrl
formUrl=LCase(Trim(request.ServerVariables("HTTP_REFERER")))
If formUrl="" Then
IsSelfRefer = False
Else
relUrl="http://" & Trim(Request.ServerVariables("SERVER_NAME"))
If (formUrl<>relUrl) Then
IsSelfRefer = False
Else
IsSelfRefer = True
End If
End If
End Function
%>

方式二：
代碼如下:

<%
Function IsSelfRefer()
Dim sHttp_Referer, sServer_Name
sHttp_Referer = CStr(Request.ServerVariables("HTTP_REFERER"))
sServer_Name = CStr(Request.ServerVariables("SERVER_NAME"))
If Mid(sHttp_Referer, 8, Len(sServer_Name)) = sServer_Name Then
IsSelfRefer = True
Else
IsSelfRefer = False
End If
End Function
%>

該文章在 2011/2/16 10:19:35 編輯過