ASP中将UTF-8格式的URL进行解码。函数

Function UrlDecode_GBToUtf8(ByVal str)
    Dim B,ub    ''中文字的Unicode码(2字节)
    Dim UtfB    ''Utf-8单个字节
    Dim UtfB1, UtfB2, UtfB3 ''Utf-8码的三个字节
    Dim i, n, s
    n=0
    ub=0
    For i = 1 To Len(str)
        B=Mid(str, i, 1)
        Select Case B
            Case "+"
                s=s & " "
            Case "%"
                ub=Mid(str, i + 1, 2)
                UtfB = CInt("&H" & ub)
                If UtfB<128 Then
                    i=i+2
                    s=s & ChrW(UtfB)
                Else
                    UtfB1=(UtfB And &H0F) * &H1000    ''取第1个Utf-8字节的二进制后4位
                    UtfB2=(CInt("&H" & Mid(str, i + 4, 2)) And &H3F) * &H40        ''取第2个Utf-8字节的二进制后6位
                    UtfB3=CInt("&H" & Mid(str, i + 7, 2)) And &H3F        ''取第3个Utf-8字节的二进制后6位
                    s=s & ChrW(UtfB1 Or UtfB2 Or UtfB3)
                    i=i+8
                End If
            Case Else    ''Ascii码
                s=s & B
        End Select
    Next
    UrlDecode_GBToUtf8 = s
End Function

response.write UrlDecode_GBToUtf8("%E6%96%B0%E5%85%B4%E7%BD%91%E7%BB%9C")