FormatRemoteUrl函数之asp实现格式化成当前网站完整的URL-将相对地址转换为绝对地址的代码

网络编程 2024/12/25 佚名

2 0 1

天枫庄资源网 Design By www.wosibo.com

'================================================
'函数名：FormatRemoteUrl
'作  用：格式化成当前网站完整的URL-将相对地址转换为绝对地址
'参  数： url ----Url字符串
'参  数： CurrentUrl ----当然网站URL
'返回值：格式化取后的Url
'================================================
    Public Function FormatRemoteUrl(ByVal URL,ByVal CurrentUrl)
        Dim strUrl
        If Len(URL) < 2 Or Len(URL) > 255 Or Len(CurrentUrl) < 2 Then
            FormatRemoteUrl = vbNullString
            Exit Function
        End If
        CurrentUrl = Trim(Replace(Replace(Replace(Replace(Replace(CurrentUrl, "'", vbNullString), """", vbNullString), vbNewLine, vbNullString), "\", "/"), "|", vbNullString))
        URL = Trim(Replace(Replace(Replace(Replace(Replace(URL, "'", vbNullString), """", vbNullString), vbNewLine, vbNullString), "\", "/"), "|", vbNullString))
        If InStr(9, CurrentUrl, "/") = 0 Then
            strUrl = CurrentUrl
        Else
            strUrl = Left(CurrentUrl, InStr(9, CurrentUrl, "/") - 1)
        End If

        If strUrl = vbNullString Then strUrl = CurrentUrl
        Select Case Left(LCase(URL), 6)
            Case "http:/", "https:", "ftp://", "rtsp:/", "mms://"
                FormatRemoteUrl = URL
                Exit Function
        End Select

        If Left(URL, 1) = "/" Then
            FormatRemoteUrl = strUrl & URL
            Exit Function
        End If

        If Left(URL, 3) = "../" Then
            Dim ArrayUrl
            Dim ArrayCurrentUrl
            Dim ArrayTemp()
            Dim strTemp
            Dim i, n
            Dim c, l
            n = 0
            ArrayCurrentUrl = Split(CurrentUrl, "/")
            ArrayUrl = Split(URL, "../")
            c = UBound(ArrayCurrentUrl)
            l = UBound(ArrayUrl) + 1

            If c > l + 2 Then
                For i = 0 To c - l
                    ReDim Preserve ArrayTemp(n)
                    ArrayTemp(n) = ArrayCurrentUrl(i)
                    n = n + 1
                Next
                strTemp = Join(ArrayTemp, "/")
            Else
                strTemp = strUrl
            End If
            URL = Replace(URL, "../", vbNullString)
            FormatRemoteUrl = strTemp & "/" & URL
            Exit Function
        End If
        strUrl = Left(CurrentUrl, InStrRev(CurrentUrl, "/"))
        FormatRemoteUrl = strUrl & Replace(URL, "./", vbNullString)
        Exit Function
    End Function

标签：