生成EAN13标准的条形码的ASP代码实例

<%
Rem =================================================================
Rem = 函数:ean13
Rem = 说明:生成EAN13标准的条形码,有实例（ASP代码）
Rem = 版本:1.0.0
Rem = 作者:第七种直角（7th/semico）
Rem = Date:2005-08-08

11:57:06
Rem = QQ:11110785
Rem = QQ群：3773360
Rem = 适用:按照需要生成EAN13标准的条形码
Rem =================================================================
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 “

“
End Function

%> 

适用:按照需要生成EAN13标准的条形码

可以试验以下条码:

9787900420206

9787894954947

 
  
 
 

<%
if request(“bcode”)”” then
 call ean13(request(“bcode”),2,100)
else
 call ean13(“1234567890128”,2,100)
end if

%>

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