汉字转换为UTF-8

function chinese2unicode(Str)
  dim i
  dim Str_one
  dim Str_unicode
  for i=1 to len(Str)
    Str_one=Mid(Str,i,1)
    Str_unicode=Str_unicode&chr(38)
    Str_unicode=Str_unicode&chr(35)
    Str_unicode=Str_unicode&chr(120)
    Str_unicode=Str_unicode& Hex(ascw(Str_one))
    Str_unicode=Str_unicode&chr(59)
  next
  Response.Write Str_unicode
end function

UTF-8 To GB2312

function UTF2GB(UTFStr)
    for Dig=1 to len(UTFStr)
        if mid(UTFStr,Dig,1)="%" then
            if len(UTFStr) >= Dig+8 then
                GBStr=GBStr & ConvChinese(mid(UTFStr,Dig,9))
                Dig=Dig+8
            else
                GBStr=GBStr & mid(UTFStr,Dig,1)
            end if
        else
            GBStr=GBStr & mid(UTFStr,Dig,1)
        end if
    next
    UTF2GB=GBStr
end function

function ConvChinese(x)
    A=split(mid(x,2),"%")
    i=0
    j=0
   
    for i=0 to ubound(A)
        A(i)=c16to2(A(i))
    next
       
    for i=0 to ubound(A)-1
        DigS=instr(A(i),"0")
        Unicode=""
        for j=1 to DigS-1
            if j=1 then
                A(i)=right(A(i),len(A(i))-DigS)
                Unicode=Unicode & A(i)
            else
                i=i+1
                A(i)=right(A(i),len(A(i))-2)
                Unicode=Unicode & A(i)
            end if
        next
       
        if len(c2to16(Unicode))=4 then
            ConvChinese=ConvChinese & chrw(int("&H" & c2to16(Unicode)))
        else
            ConvChinese=ConvChinese & chr(int("&H" & c2to16(Unicode)))
        end if
    next
end function

function c2to16(x)
    i=1
    for i=1 to len(x)  step 4
        c2to16=c2to16 & hex(c2to10(mid(x,i,4)))
    next
end function <