ASP汉字编码互转

<%
'System.Text.Encoding.GetEncoding

'汉字gb2312转换为UTF-8编码：
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 转换为 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
  
function c2to10(x)
   c2to10=0
   if x="0" then exit function
   i=0
   for i= 0 to len(x) -1
       if mid(x,len(x)-i,1)="1" then c2to10=c2to10+2^(i)
   next
end function

function c16to2(x)
   i=0
   for i=1 to len(trim(x))
       tempstr= c10to2(cint(int("&h" & mid(x,i,1))))
       do while len(tempstr)<4
       tempstr="0" & tempstr
       loop
       c16to2=c16to2 & tempstr
   next
end function

function c10to2(x)
   mysign=sgn(x)
   x=abs(x)
   DigS=1
   do
       if x<2^DigS then
           exit do
       else
           DigS=DigS+1
       end if
   loop
   tempnum=x
  
   i=0
   for i=DigS to 1 step-1
       if tempnum>=2^(i-1) then
           tempnum=tempnum-2^(i-1)
           c10to2=c10to2 & "1"  
       else
           c10to2=c10to2 & "0"
       end if
   next
   if mysign=-1 then c10to2="-" & c10to2
end function

Function StrConv(ByVal strIn, ByVal encoding)
    Dim st: Set st = Server.CreateObject("adodb.stream")
    st.Type = 2
    st.Open
    st.WriteText strIn
    st.Position = 0
    st.Charset = encoding
    StrConv = st.ReadText(-1)
    st.close
    Set st = Nothing
End Function

'Response.Write StrConv("你好啊！", "ISO-8859-1")
'Response.Write StrConv("你好啊！", "ISO-8859-1")

function ak16(sai)
if not isnull(sai) then
sai = Replace(sai,"三", "三")
ak16 = sai
end if
end function


tt16="您此次导入信息类别是：
省份：安徽省
城市：宣城市
大类：商务服务
小类：招商加盟
本人想在三牌楼,马台街,.湖南路.珠江路附近租一套两室一厅一厨一卫的房子,要求有洗衣机,冰箱,彩电,空调,衣柜等家具齐全,交通方便,小区安全,价格可再议.有房者请尽快与我联系,因工作一周后出差,.我是一名学生,兼职工作"
'response.Write chrw("20013")
'Response.Write ak16(tt16)
'Response.Write server.htmlencode(tt16)
abc=server.htmlencode(tt16)
Response.Write abc

'Response.Write chr(ascw(chrb(&HA3)&chrb(&HB0)))
%>
<%=tt16%>

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