ASP如何取得当前页URL方法

'获取当前Url参数的函数A
Private Function GetUrl()
Dim ScriptAddress, M_ItemUrl, M_item
ScriptAddress = CStr(Request.ServerVariables("SCRIPT_NAME")) '取得当前地址
M_ItemUrl = ""
If (Request.QueryString <> "") Then
ScriptAddress = ScriptAddress & "?"
For Each M_item In Request.QueryString
If InStr(page,M_Item)=0 Then
M_ItemUrl = M_ItemUrl & M_Item &"="& Server.URLEncode(Request.QueryString(""&M_Item&"")) & "&"
End If
Next
end if
GetUrl = ScriptAddress & M_ItemUrl
End Function
'=============================

'获取当前页面URL的函数B

Function Cur_Url()
Domain_Name = LCase(Request.ServerVariables("Server_Name"))
Page_Name = LCase(Request.ServerVariables("Script_Name"))
Quary_Name = LCase(Request.ServerVariables("Quary_String"))
If Quary_Name ="" Then
Cur_Url = "http://"&Domain_Name&Page_Name
Else
Cur_Url = "http://"&Domain_Name&Page_Name&"?"&Quary_Name
End If
End Function