在ASP中实现汉字与UTF-8的互相转换的方法

'=============汉字转换为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转换为汉字==================

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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