开发学院WEB开发ASP ASP写的汉字转换UTF-8及UTF-8转GB2312 阅读

ASP写的汉字转换UTF-8及UTF-8转GB2312

 2009-06-30 04:58:00 来源:WEB开发网   
核心提示:汉字转换为UTF-8function 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)

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
  
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

Tags:ASP 汉字 转换

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