asp将全角的字符转变成半角字符，将半角转变成全角的代码

将全角的字符转变成半角字符，将半角转变成全角 
<% 
Function DSConvert(vString,vFlag) 
     Rem vFlag为0时表示从全角转为半角,为其他时表示从半角转为全角 
     Dim i,tmpSingleCharaASC,TempResult,SAscString,DAscString 
     SAscString = "1,2,3,4,5,6,7,8,14,15,16,17,18,19,20,21,22,23,24,25,26,27,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126" 

     DAscString = "-23679,-23678,-23677,-23676,-23675,-23674,-23673,-23672,-23666,-23665,-23664,-23663,-23662,-23661,-23660,-23659,-23658,-23657,-23656,-23655,-23654,-23653,-23647,-23646,-23645,-23644,-23643,-23642,-23641,-23640,-23639,-23638,-23637,-23636,-23635,-23634,-23633,-23632,-23631,-23630,-23629,-23628,-23627,-23626,-23625,-23624,-23623,-23622,-23621,-23620,-23619,-23618,-23617,-23616,-23615,-23614,-23613,-23612,-23611,-23610,-23609,-23608,-23607,-23606,-23605,-23604,-23603,-23602,-23601,-23600,-23599,-23598,-23597,-23596,-23595,-23594,-23593,-23592,-23591,-23590,-23589,-23588,-23587,-23586,-23585,-23584,-23583,-23582,-23581,-23580,-23579,-23578,-23577,-23576,-23575,-23574,-23573,-23572,-23571,-23570,-23569,-23568,-23567,-23566,-23565,-23564,-23563,-23562,-23561,-23560,-23559,-23558,-23557,-23556,-23555,-23554" 

     TempResult = "" 
     If Len(vString) <= 0 Then Response.Write "Parameters Error! Please Check Your Parameters!" : Response.End : Exit Function 
     For i=1 to Len(vString) 
           tmpSingleCharaASC = Asc(Mid(vString,i,1)) 
           If vFlag = 0 Then 
                 If InStr(DAscString,tmpSingleCharaASC) <> 0 and len(Cstr(tmpSingleCharaASC)) = 6 Then 
                       TempResult = TempResult & Chr(tmpSingleCharaASC+23680) 
                 Else 
                       TempResult = TempResult & Chr(tmpSingleCharaASC) 
                 End If 
           Else 
                 If InStr(SAscString,tmpSingleCharaASC) <> 0 and Len(Cstr(tmpSingleCharaASC))<=4 Then 
                       TempResult = TempResult & Chr(tmpSingleCharaASC-23680) 
                 Else 
                       TempResult = TempResult & Chr(tmpSingleCharaASC) 
                 End If 
           End If 
     Next 
     DSConvert = TempResult 
End Function 
%> 
全角转半角 
<%= DSConvert("１２３４５６６４６５４５４",0)%> 
半角转全角 
<%= DSConvert("1234567890132131",1)%>