Option Explicit
Public Const MAX_PATH As Long = 260
Public Const ERROR_SUCCESS As Long = 0
'将整个URL参数作为一个URL段
Public Const URL_ESCAPE_SEGMENT_ONLY As Long = &H2000
Public Const URL_ESCAPE_PERCENT As Long = &H1000
Public Const URL_UNESCAPE_INPLACE As Long = &H100000
'路径中包含#
Public Const URL_INTERNAL_PATH As Long = &H800000
Public Const URL_DONT_ESCAPE_EXTRA_INFO As Long = &H2000000
Public Const URL_ESCAPE_SPACES_ONLY As Long = &H4000000
Public Const URL_DONT_SIMPLIFY As Long = &H8000000
'转换不安全字符为相应的退格序列
Public Declare Function UrlEscape Lib "shlwapi" _
Alias "UrlEscapeA" _
(ByVal pszURL As String, _
ByVal pszEscaped As String, _
pcchEscaped As Long, _
ByVal dwFlags As Long) As Long
'Download by http://www.codefans.net
'转换退格序列为普通的字符
Public Declare Function UrlUnescape Lib "shlwapi" _
Alias "UrlUnescapeA" _
(ByVal pszURL As String, _
ByVal pszUnescaped As String, _
pcchUnescaped As Long, _
ByVal dwFlags As Long) As Long
Public Function EncodeUrl(ByVal sUrl As String) As String
Dim sUrlEsc As String
Dim dwSize As Long
Dim dwFlags As Long
If Len(sUrl) > 0 Then
sUrlEsc = Space$(MAX_PATH)
dwSize = Len(sUrlEsc)
dwFlags = URL_DONT_SIMPLIFY
If UrlEscape(sUrl, _
sUrlEsc, _
dwSize, _
dwFlags) = ERROR_SUCCESS Then
EncodeUrl = Left$(sUrlEsc, dwSize)
End If 'If UrlEscape
End If 'If Len(sUrl) > 0
End Function
Public Function DecodeUrl(ByVal sUrl As String) As String
Dim sUrlUnEsc As String
Dim dwSize As Long
Dim dwFlags As Long
If Len(sUrl) > 0 Then
sUrlUnEsc = Space$(MAX_PATH)
dwSize = Len(sUrlUnEsc)
dwFlags = URL_DONT_SIMPLIFY
If UrlUnescape(sUrl, _
sUrlUnEsc, _
dwSize, _
dwFlags) = ERROR_SUCCESS Then
DecodeUrl = Left$(sUrlUnEsc, dwSize)
End If 'If UrlUnescape
End If 'If Len(sUrl) > 0
End Function
'
'出处不明.
