ASP中漢字與UTF-8的互相轉換

來源:互聯網
上載者:User
漢字|轉換

=============漢字轉換為UTF-8==================

function chinese2unicode(Str)
        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 
        chinese2unicode = Str_unicode
end function

=============UTF-8轉換為漢字==================

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



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