Function VFUnEscape(pstrInput)

Local i As Integer, c As String, d As Long

i = 1

UnEscape =[]

do While i <= Len(pstrInput)

  c = substr(pstrInput, i, 1)

  i = i + 1

  If c = "%" Then

   d = Val("0x" +substr(pstrInput, i, 2))

   If d >=128 Then

    d = d * 256 + Val("0x" +substr(pstrInput, i + 3, 2))

    i = i + 5

   Else

    i = i + 2

   endif

   UnEscape = UnEscape + Chr(d)

  Else

   UnEscape = UnEscape + c

  endif

enddo

return UnEscape

EndFunc

Function VFEscape(psString)

Local nTemp, sTemp, sTempChar, nTempAsc

sTemp=[]

For nTemp =1 To Len(psString)

  sTempChar =substr(psString, nTemp, 1)

  nTempAsc =ASC(sTempChar)

  If (nTempAsc >=48 and nTempAsc <=57) or (nTempAsc >=65 and nTempAsc <=90) or (nTempAsc >=97 and nTempAsc <=122) or INlist(sTempChar,"@","*","_","+","-",".","/") Then

   sTemp =sTemp+sTempChar

  else

   if  nTempAsc >0 and nTempAsc <16 Then

    sTemp =sTemp+"%0"+Hex(nTempAsc)

   else

    if  nTempAsc >=16 and nTempAsc <256 Then

     sTemp =sTemp+"%"+Hex(nTempAsc)

    Else

     sTemp =sTemp+"%u"+Hex(nTempAsc)

    endif

   endif

  endif

Next

return sTemp

endfunc

Function Hex(lByte)

Local x,y

x=''

Do While lByte>0

  If lByte>=16

   Y=lByte%16

  Else

   Y=lByte

  Endif

  If Y<10 And Y>=0

   x=Str(Y,1)+x

  Else

   x=Chr(65+Y-10)+x

  Endif

  lByte=(lByte-Y)/16

Enddo

Return x

Endfunc&&补充一个