VB 中文转utf-8的函数 ,应用于搜索引擎

发布时间：2020-12-16 23:39:03 所属栏目：大数据来源：网络整理

导读：Public Function UTF8Encode(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

Public Function UTF8Encode(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$(szTemp,1) = "1" Then lResult = lResult + 1 * 2 ^ (24 - iCount2) Else lResult = lResult + 0 * 2 ^ (24 - iCount2) End If Next iCount2 szTemp = Hex(lResult) szCode = szCode & "%" & Left$(szTemp,2) & "%" & Mid$(szTemp,3,2) & "%" & Right$(szTemp,2) End If szBin = vbNullString lResult = 0 Next iCount1 UTF8Encode = szCode End Function

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