用Asp生成条形码

ASP 2005-9-19 16:21

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：http://www.51windows.net/2004/share/font/tiaoma.rar（如果地址无法下载，请在Google上搜索"条形码字体"）。

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="Keywords" content="51windows.Net">
<META NAME="Author" CONTENT="haiwa">
<title>Asp生成条形码</title>
<style>

</style>
</head>

<body>
<%
'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
code_W = 2
function dragcode(ccode)
 c = ccode
 c = replace(c,"_","<span style='height:"&code_H&";width:"&code_w&";background:#FFFFFF'></span>")
 c = replace(c,"|","<span style='height:"&code_H&";width:"&code_w&";background:#000000'></span>")
 dragcode = c
end function
function dragtext(ccode)
 c = ccode
 dragtext = ""
 for i=1 to len(c)
 dragtext = dragtext&"<span style='width:26;text-align:center'>"&mid(c,i,1)&"</span>"
 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\+\-\*\/\%\$\.]*{logcontent}quot;,code) then
  code = "*"&code&"*"
 else
  code = "*51windows.net*"
  errstr = "<br><center style='color:red;'>含有非法字符 </center>"
 end if
end if
ocode = code
code = lcase(code)
%>
<center><form name="form1" method="post">合法字符：ABCDEFGHIJKLMNOPQRSTUVWXYZ 1234567890 + - * / % $ .<br><br><input name="c" type="text" value="<%=request("c")%>" size="25" maxlength="15"> <input type="submit" name="Submit" value="提交"></form><center>
<div align="center">
  <center>
  <table border="0" cellpadding="0" cellspacing="0" height="79">
    <tr>
      <td height="61" align="center"><%=dragcode(haiwaocde(code))%></td>
    </tr>
    <tr>
      <td height="18" align="center" style="text-align:justify;text-justify:Distribute-all-lines;"><%=(ocode)%></td>
    </tr>
  </table>
  </center>
</div>
<%=errstr%>
</body>

</html>

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]
出处：无忧视窗
责任编辑：51windows

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