生成EAN13标准的条形码的ASP代码实例

软件设计 2017-05-24

复制代码 代码如下:

<title>条形码生成</title>

<%

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 "<div style='position:absolute;width:"&cWidth*95+60&"px; height:"&cHeight+30&"px; background:"&bg&";'>"

 '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 "<div style='position:absolute;left:"&(x-1)*cWidth+30&"px;top:5px;width:"&cWidth&"px;height:"&cHeight+5+sh&"px;background:"&bColor&";'></div>"

 next

 '加入可读数字标签

 response.write "<div style='position:absolute;left:16px;top:"&cHeight+10&"px;background:"&bg&";color:"&fg&";font:12px Verdana;'>"&left(code,1)&"</div>"

 for x=1 to 6

  response.write "<div style='position:absolute;left:"&(x*7+2)*cWidth+22&"px;top:"&cHeight+10&"px;background:"&bg&";color:"&fg&";font:12px Verdana;'>"&mid(code,x+1,1)&"</div>"

  response.write "<div style='position:absolute;left:"&(x*7+47)*cWidth+24&"px;top:"&cHeight+10&"px;background:"&bg&";color:"&fg&";font:12px Verdana;'>"&mid(code,x+7,1)&"</div>"

 next

 response.write "<div style='position:absolute; left:30px;top:"&cHeight+25&"px;width:"&cWidth*95&"px;height:10px;text-align:center;background:#ffffff;border:solid 1px #e5e5e5;font:9px verdana;'>© 2007 by elbo </div>"

 response.write "</div>"

End Function

%> 

<p style="font:12px Verdana">

<span style="text-decoration: none">

<font color="#000000">适用:按照需要生成EAN13标准的条形码</font></span><br />

可以试验以下条码:<br />

9787900420206<br />

9787894954947

</p>

<br />

<form method="post" action="ttt.asp">

 <label>

  <input type="" name="bcode" />

 </label>

 <input type="submit" value="生成条码"/>

</form>

<p align="center"></p>

<p align="center">

<%

if request("bcode")<>"" then

 call ean13(request("bcode"),2,100)

else

 call ean13("1234567890128",2,100)

end if

%></br></a>版权所有 </p>

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