【Access自定义函数】URL编码函数--解决中文字符出现乱码的问题
时 间:2021-06-29 11:07:31
作 者:金宇 ID:43 城市:江阴
摘 要:URL编码函数,如果需要给网页传递URL字符,传递的字符中含有中文,那么最终将字符串传递给网页的时候的中文部分会出现乱码,从而影响网页对传递字符串的读取,使得网页无法正常显示,通过在access中对所需传递的字符串进行URL编码后再传递给网页,那么网页就可以正常解析读取所传递的字符串,网页也就可以正常显示。
正 文:
'=====================================
'-函数名称: UrlEncode
'-功能描述: 将中文字符转换成编码,并解决出现乱码的问题
'-输入参数: 盟威软件
'-返回参数: 返回编码
'-使用示例: =UrlEncode("盟威软件") '返回值:%E7%9B%9F%E5%A8%81
'-作 者: Accessoft-金宇
'=====================================
'URL编码
Public Function UrlEncode(ByRef szString As String) As String
Dim szChar As String
Dim szTemp As String
Dim szCode As String
Dim szHex As String
Dim szBin As String
Dim iCount1 As Integer
Dim iCount2 As Integer
Dim iStrLen1 As Integer
Dim iStrLen2 As Integer
Dim lResult As Long
Dim lAscVal As Long
szString = Trim$(szString)
iStrLen1 = Len(szString)
For iCount1 = 1 To iStrLen1
szChar = Mid$(szString, iCount1, 1)
lAscVal = AscW(szChar)
If lAscVal >= &H0 And lAscVal <= &HFF Then
If (lAscVal >= &H30 And lAscVal <= &H39) Or _
(lAscVal >= &H41 And lAscVal <= &H5A) Or _
(lAscVal >= &H61 And lAscVal <= &H7A) Then
szCode = szCode & szChar
Else
szCode = szCode & "%" & Hex(AscW(szChar))
End If
Else
szHex = Hex(AscW(szChar))
iStrLen2 = Len(szHex)
For iCount2 = 1 To iStrLen2
szChar = Mid$(szHex, iCount2, 1)
Select Case szChar
Case Is = "0"
szBin = szBin & "0000"
Case Is = "1"
szBin = szBin & "0001"
Case Is = "2"
szBin = szBin & "0010"
Case Is = "3"
szBin = szBin & "0011"
Case Is = "4"
szBin = szBin & "0100"
Case Is = "5"
szBin = szBin & "0101"
Case Is = "6"
szBin = szBin & "0110"
Case Is = "7"
szBin = szBin & "0111"
Case Is = "8"
szBin = szBin & "1000"
Case Is = "9"
szBin = szBin & "1001"
Case Is = "A"
szBin = szBin & "1010"
Case Is = "B"
szBin = szBin & "1011"
Case Is = "C"
szBin = szBin & "1100"
Case Is = "D"
szBin = szBin & "1101"
Case Is = "E"
szBin = szBin & "1110"
Case Is = "F"
szBin = szBin & "1111"
Case Else
End Select
Next iCount2
szTemp = "1110" & Left$(szBin, 4) & "10" & Mid$(szBin, 5, 6) & "10" & Right$(szBin, 6)
For iCount2 = 1 To 24
If Mid$(szTemp, iCount2, 1) = "1" Then
lResult = lResult + 1 * 2 ^ (24 - iCount2)
Else: lResult = lResult + 0 * 2 ^ (24 - iCount2)
End If
Next iCount2
szTemp = Hex(lResult)
szCode = szCode & "%" & Left$(szTemp, 2) & "%" & Mid$(szTemp, 3, 2) & "%" & Right$(szTemp, 2)
End If
szBin = vbNullString
lResult = 0
Next iCount1
UrlEncode = szCode
End Function
附 件:
演 示:
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