一个用asp生成条形码的例子代码。(注意:生成的图形为html代码,而非图片,打印时,请在IE的Internet选项=>高级=》打印 选定“打印背景颜色和图像”) 
演示地址:http://www.51windows.net/Asp_samples/codeflag.asp 
更简单的方法就是使用条形码字体,下载 条形码字体
[code]
Asp生成条形码
<%
'条形码生成程序
'海娃@2004-4-4
'http://www.51windows.Net
function haiwaocde(zfstr)
 zf = zfstr
 zf = replace(zf,"0","_│_│__││_││_│")
 zf = replace(zf,"1","_││_│__│_│_││")
 zf = replace(zf,"2","_│_││__│_│_││")
 zf = replace(zf,"3","_││_││__│_│_│")
 zf = replace(zf,"4","_│_│__││_│_││")
 zf = replace(zf,"5","_││_│__││_│_│")
 zf = replace(zf,"7","_│_│__│_││_││")
 zf = replace(zf,"6","_│_││__││_│_│")
 zf = replace(zf,"8","_││_│__│_││_│")
 zf = replace(zf,"9","_│_││__│_││_│")
 zf = replace(zf,"a","_││_│_│__│_││")
 zf = replace(zf,"b","_│_││_│__│_││")
 zf = replace(zf,"c","_││_││_│__│_│")
 zf = replace(zf,"d","_│_│_││__│_││")
 zf = replace(zf,"e","_││_│_││__│_│")
 zf = replace(zf,"f","_│_││_││__│_│")
 zf = replace(zf,"g","_│_│_│__││_││")
 zf = replace(zf,"h","_││_│_│__││_│")
 zf = replace(zf,"i","_│_││_│__││_│")
 zf = replace(zf,"j","_│_│_││__││_│")
 zf = replace(zf,"k","_││_│_│_│__││")
 zf = replace(zf,"l","_│_││_│_│__││")
 zf = replace(zf,"m","_││_││_│_│__│")
 zf = replace(zf,"n","_│_│_││_│__││")
 zf = replace(zf,"o","_││_│_││_│__│")
 zf = replace(zf,"p","_│_││_││_│__│")
 zf = replace(zf,"r","_││_│_│_││__│")
 zf = replace(zf,"q","_│_│_│_││__││")
 zf = replace(zf,"s","_│_││_│_││__│")
 zf = replace(zf,"t","_│_│_││_││__│")
 zf = replace(zf,"u","_││__│_│_│_││")
 zf = replace(zf,"v","_│__││_│_│_││")
 zf = replace(zf,"w","_││__││_│_│_│")
 zf = replace(zf,"x","_│__│_││_│_││")
 zf = replace(zf,"y","_││__│_││_│_│")
 zf = replace(zf,"z","_│__││_││_│_│")
 zf = replace(zf,"-","_│__│_│_││_││")
 zf = replace(zf,"*","_│__│_││_││_│")
 zf = replace(zf,"/","_│__│__│_│__│")
 zf = replace(zf,"%","_│_│__│__│__│")
 zf = replace(zf,"+","_│__│_│__│__│")
 zf = replace(zf,".","_││__│_│_││_│")
 
 haiwaocde = zf
end function
code_H = 52            '每个字符高度
code_W = 2             '每个字符宽度
function dragcode(ccode)
 c = ccode
 c = replace(c,"_","
")
 c = replace(c,"│","
")
 dragcode = c
end function
function dragtext(ccode)
 c = ccode
 dragtext = ""
 for i=1 to len(c)
 dragtext = dragtext&"
"&mid(c,i,1)&""
 next
 dragtext = dragtext
end function
Function CheckExp(patrn,str)
Set regEx=New RegExp
regEx.Pattern=patrn
regEx.IgnoreCase=true
regEx.Global=True
CheckExp = regEx.test(str)  
End Function
code = request("c")
if code = "" then
 code = "*51windows.net*"
else
 if Checkexp("^[abcdefghijklmnopqrstuvwxyz1234567890\+\-\*\/\%\$\.]*$",code) then
  code = "*"&code&"*"
 else
  code = "*51windows.net*"
  errstr = "
含有非法字符 "
 end if
end if
ocode = code
code = lcase(code)
%>
  
  
    
      | <%=dragcode(haiwaocde(code))%> | 
    
      | <%=(ocode)%> | 
  
  
 
<%=errstr%>
[/code]
该文章在 2013/10/21 21:56:35 编辑过