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条形码生成图片ASP程序代码

程序问题 hanlei 1088浏览

有了条码就少不了要打印图片出来
前面那位老兄用.net写的互转类,但生成图片的代码没有公开
找到个ASP版的
[code]Rem =================================================================
Rem = 函数:ean13
Rem = 说明:生成EAN13标准的条形码,有实例(ASP代码)
Rem = 适用:按照需要生成EAN13标准的条形码
=================================================================
Function ean13(code,w,h)
Dim Guide,Dict,Lencode,Rencode,cStart,cMid,cEnd,Barcode,Lmethod
Guide = array(“AAAAAA”,”AABABB”,”AABBAB”,”ABAABB”,”ABBAAB”,”ABBBAA”,”ABABAB”,”ABABBA”,”ABBABA”)
Set Dict = CreateObject(“Scripting.Dictionary”)
Dict.Add “A”, “0001101001100100100110111101010001101100010101111011101101101110001011”
Dict.Add “B”, “0100111011001100110110100001001110101110010000101001000100010010010111”
Rencode = array(“1110010″,”1100110″,”1101100″,”1000010″,”1011100″,”1001110″,”1010000″,”1000100″,”1001000″,”1110100″)
cStart=”101″
cMid=”01010″
cEnd=”101”
if w<2 then w=2 if h<20 then h=20 cWidth=w '条码单元宽度 cHeight=h '条码高度 '检验条码是否符合标准 if len(code)<>13 then response.write “必须为13位!”:response.end
for i=1 to 12
if IsNumeric(mid(code,i,1)) then
if i mod 2 then
rsum=rsum+int(mid(code,i,1))
else
lsum=lsum+int(mid(code,i,1))
end if
else
response.write “必须为数字码!”:response.end
end if
next
if 10-((lsum*3+rsum) mod 10) <> int(right(code,1)) then response.write “此条码错误!”:response.end
‘转换条码
Barcode=cStart
Lmethod=left(code,1)
‘if Lmethod=0 then Lmethod=1
for i=2 to 7
barcode = barcode & mid(Dict(Mid(Guide(Lmethod-1),i-1,1)),(7*mid(code,i,1)+1),7)
next
barcode=barcode & cMid
for i=8 to 13
barcode = barcode & Rencode(mid(code,i,1))
next
barcode=barcode & cEnd
fg=”#000000″ ‘条码前景色
bg=”#ffffff” ‘条码背景色
response.write “


‘绘制条码
for x=1 to len(barcode)
if x<5 or x>92 or (x>46 and x<51)then sh=10 else sh=0 end if if mid(barcode,x,1)="1" then bColor=fg else bColor=bg end if response.write "


next
‘加入可读数字标签
response.write “

“&left(code,1)&”


for x=1 to 6
response.write “

“&mid(code,x+1,1)&”


response.write “

“&mid(code,x+7,1)&”


next
response.write “

? 2007 by elbo


response.write “


End Function
call ean13(“1234567890128”,2,100)
[/code]

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