.NET条形码的制作(39码)

时间：2010-08-18 来源：08信工实训

页面代码

<%@ Page Language="C#" CodeBehind="Default.aspx.cs"

Inherits="BarCode._Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <style type="text/css">
        body { font-size: 12px; font-family: 宋体; }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    39码：<asp:TextBox ID="TextBox_39" runat="server">%91E+</asp:TextBox>
  
   <asp:Button ID="Button_39" runat="server" Text="生成条码"

OnClick="Button_39_Click" />
  
    <br />
    <asp:Literal ID="Literal_39" runat="server"></asp:Literal>
     </form>
</body>
</html>

代码

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace BarCode
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            TextBox1.Focus();
            TextBox1.Text = "";

            Button_39_Click(new object(), new EventArgs());
           
        }

        protected void Button_39_Click(object sender, EventArgs e)
        {
            Literal_39.Text = BarCodeToHTML.get39(TextBox_39.Text.Trim());
        }

      public static string get39(string s)//条形码的字符
        {
            Hashtable ht = new Hashtable();

            #region 39码 12位
            ht.Add('A', "110101001011");
            ht.Add('B', "101101001011");
            ht.Add('C', "110110100101");
            ht.Add('D', "101011001011");
            ht.Add('E', "110101100101");
            ht.Add('F', "101101100101");
            ht.Add('G', "101010011011");
            ht.Add('H', "110101001101");
            ht.Add('I', "101101001101");
            ht.Add('J', "101011001101");
            ht.Add('K', "110101010011");
            ht.Add('L', "101101010011");
            ht.Add('M', "110110101001");
            ht.Add('N', "101011010011");
            ht.Add('O', "110101101001");
            ht.Add('P', "101101101001");
            ht.Add('Q', "101010110011");
            ht.Add('R', "110101011001");
            ht.Add('S', "101101011001");
            ht.Add('T', "101011011001");
            ht.Add('U', "110010101011");
            ht.Add('V', "100110101011");
            ht.Add('W', "110011010101");
            ht.Add('X', "100101101011");
            ht.Add('Y', "110010110101");
            ht.Add('Z', "100110110101");
            ht.Add('0', "101001101101");
            ht.Add('1', "110100101011");
            ht.Add('2', "101100101011");
            ht.Add('3', "110110010101");
            ht.Add('4', "101001101011");
            ht.Add('5', "110100110101");
            ht.Add('6', "101100110101");
            ht.Add('7', "101001011011");
            ht.Add('8', "110100101101");
            ht.Add('9', "101100101101");
            ht.Add('+', "100101001001");
            ht.Add('-', "100101011011");
            ht.Add('*', "100101101101");
            ht.Add('/', "100100101001");
            ht.Add('%', "101001001001");
            ht.Add('$', "100100100101");
            ht.Add('.', "110010101101");
            ht.Add(' ', "100110101101");
            #endregion
            #region 39码 9位
            //ht.Add('0', "000110100");
            //ht.Add('1', "100100001");
            //ht.Add('2', "001100001");
            //ht.Add('3', "101100000");
            //ht.Add('4', "000110001");
            //ht.Add('5', "100110000");
            //ht.Add('6', "001110000");
            //ht.Add('7', "000100101");
            //ht.Add('8', "100100100");
            //ht.Add('9', "001100100");
            //ht.Add('A', "100001001");
            //ht.Add('B', "001001001");
            //ht.Add('C', "101001000");
            //ht.Add('D', "000011001");
            //ht.Add('E', "100011000");
            //ht.Add('F', "001011000");
            //ht.Add('G', "000001101");
            //ht.Add('H', "100001100");
            //ht.Add('I', "001001100");
            //ht.Add('J', "000011100");
            //ht.Add('K', "100000011");
            //ht.Add('L', "001000011");
            //ht.Add('M', "101000010");
            //ht.Add('N', "000010011");
            //ht.Add('O', "100010010");
            //ht.Add('P', "001010010");
            //ht.Add('Q', "000000111");
            //ht.Add('R', "100000110");
            //ht.Add('S', "001000110");
            //ht.Add('T', "000010110");
            //ht.Add('U', "110000001");
            //ht.Add('V', "011000001");
            //ht.Add('W', "111000000");
            //ht.Add('X', "010010001");
            //ht.Add('Y', "110010000");
            //ht.Add('Z', "011010000");
            //ht.Add('-', "010000101");
            //ht.Add('.', "110000100");
            //ht.Add(' ', "011000100");
            //ht.Add('*', "010010100");
            //ht.Add('$', "010101000");
            //ht.Add('/', "010100010");
            //ht.Add('+', "010001010");
            //ht.Add('%', "000101010");
            #endregion

            s = "" + s.ToUpper() + "";

            string result_bin = "";//二进制串

            try
            {
                foreach (char ch in s)
                {
                    result_bin += ht[ch].ToString();
                    result_bin += "0";//间隔，与一个单位的线条宽度相等
                }
            }
            catch { return "存在不允许的字符！"; }

            string result_html = "";//HTML代码
            string color = "";//颜色
            foreach (char c in result_bin)
            {
                color = c == '0' ? "#FFFFFF" : "#000000";
                result_html += "<div style=\"width:" + 1+ "px;">" + 30+

"px;float:left;background:" + color + ";\"></div>";
            }
            result_html += "<div style=\"clear:both\"></div>";

            int len = ht['*'].ToString().Length;
            foreach (char c in s)
            {
                result_html += "<div style=\"width:" + 1* (len + 1)) +

"px;float:left;color:#000000;text-align:center;\">" + c + "</div>";
            }
            result_html += "<div style=\"clear:both\"></div>";

            return "<div style=\"background:#FFFFFF;padding:5px;font-size:" + (1

* 10) + "px;font-family:'楷体';\">" + result_html + "</div>";
        }

    }
}