C#条码生成类分享

本文实例为大家分享了c#条码生成类的具体代码，供大家参考，具体内容如下

using system.collections; 
using system.text.regularexpressions; 
 
namespace dotnet.utilities 
{ 
  public class barcodetohtml 
  { 
    public static string get39(string s, int width, int height) 
    { 
      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:" + width + "px;height:" + height + "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:" + (width * (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:" + (width * 10) + "px;font-family:'楷体';\">" + result_html + "</div>"; 
    } 
 
    public static string getean13(string s, int width, int height) 
    { 
      int checkcode_input = -1;//输入的校验码 
      if (!regex.ismatch(s, @"^\d{12}$")) 
      { 
        if (!regex.ismatch(s, @"^\d{13}$")) 
        { 
          return "存在不允许的字符！"; 
        } 
        else 
        { 
          checkcode_input = int.parse(s[12].tostring()); 
          s = s.substring(0, 12); 
        } 
      } 
 
      int sum_even = 0;//偶数位之和 
      int sum_odd = 0; //奇数位之和 
 
      for (int i = 0; i < 12; i++) 
      { 
        if (i % 2 == 0) 
        { 
          sum_odd += int.parse(s[i].tostring()); 
        } 
        else 
        { 
          sum_even += int.parse(s[i].tostring()); 
        } 
      } 
 
      int checkcode = (10 - (sum_even * 3 + sum_odd) % 10) % 10;//校验码 
 
      if (checkcode_input > 0 && checkcode_input != checkcode) 
      { 
        return "输入的校验码错误！"; 
      } 
 
      s += checkcode;//变成13位 
 
      // 000000000101左侧42个01010右侧35个校验7个101000000000 
      // 6    101左侧6位 01010右侧5位校验1位101000000000 
 
      string result_bin = "";//二进制串 
      result_bin += "000000000101"; 
 
      string type = ean13type(s[0]); 
      for (int i = 1; i < 7; i++) 
      { 
        result_bin += ean13(s[i], type[i - 1]); 
      } 
      result_bin += "01010"; 
      for (int i = 7; i < 13; i++) 
      { 
        result_bin += ean13(s[i], 'c'); 
      } 
      result_bin += "101000000000"; 
 
      string result_html = ""; //html代码 
      string color = "";    //颜色 
      int height_bottom = width * 5; 
      foreach (char c in result_bin) 
      { 
        color = c == '0' ? "#ffffff" : "#000000"; 
        result_html += "<div style=\"width:" + width + "px;height:" + height + "px;float:left;background:" + color + ";\"></div>"; 
      } 
      result_html += "<div style=\"clear:both\"></div>"; 
 
      result_html += "<div style=\"float:left;color:#000000;width:" + (width * 9) + "px;text-align:center;\">" + s[0] + "</div>"; 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#000000;\"></div>"; 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#ffffff;\"></div>"; 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#000000;\"></div>"; 
      for (int i = 1; i < 7; i++) 
      { 
        result_html += "<div style=\"float:left;width:" + (width * 7) + "px;color:#000000;text-align:center;\">" + s[i] + "</div>"; 
      } 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#ffffff;\"></div>"; 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#000000;\"></div>"; 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#ffffff;\"></div>"; 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#000000;\"></div>"; 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#ffffff;\"></div>"; 
      for (int i = 7; i < 13; i++) 
      { 
        result_html += "<div style=\"float:left;width:" + (width * 7) + "px;color:#000000;text-align:center;\">" + s[i] + "</div>"; 
      } 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#000000;\"></div>"; 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#ffffff;\"></div>"; 
      result_html += "<div style=\"float:left;width:" + width + "px;height:" + height_bottom + "px;background:#000000;\"></div>"; 
      result_html += "<div style=\"float:left;color:#000000;width:" + (width * 9) + "px;\"></div>"; 
      result_html += "<div style=\"clear:both\"></div>"; 
 
      return "<div style=\"background:#ffffff;padding:0px;font-size:" + (width * 10) + "px;font-family:'楷体';\">" + result_html + "</div>"; 
    } 
 
    private static string ean13(char c, char type) 
    { 
      switch (type) 
      { 
        case 'a': 
          { 
            switch (c) 
            { 
              case '0': return "0001101"; 
              case '1': return "0011001"; 
              case '2': return "0010011"; 
              case '3': return "0111101";//011101 
              case '4': return "0100011"; 
              case '5': return "0110001"; 
              case '6': return "0101111"; 
              case '7': return "0111011"; 
              case '8': return "0110111"; 
              case '9': return "0001011"; 
              default: return "error!"; 
            } 
          } 
        case 'b': 
          { 
            switch (c) 
            { 
              case '0': return "0100111"; 
              case '1': return "0110011"; 
              case '2': return "0011011"; 
              case '3': return "0100001"; 
              case '4': return "0011101"; 
              case '5': return "0111001"; 
              case '6': return "0000101";//000101 
              case '7': return "0010001"; 
              case '8': return "0001001"; 
              case '9': return "0010111"; 
              default: return "error!"; 
            } 
          } 
        case 'c': 
          { 
            switch (c) 
            { 
              case '0': return "1110010"; 
              case '1': return "1100110"; 
              case '2': return "1101100"; 
              case '3': return "1000010"; 
              case '4': return "1011100"; 
              case '5': return "1001110"; 
              case '6': return "1010000"; 
              case '7': return "1000100"; 
              case '8': return "1001000"; 
              case '9': return "1110100"; 
              default: return "error!"; 
            } 
          } 
        default: return "error!"; 
      } 
    } 
 
    private static string ean13type(char c) 
    { 
      switch (c) 
      { 
        case '0': return "aaaaaa"; 
        case '1': return "aababb"; 
        case '2': return "aabbab"; 
        case '3': return "aabbba"; 
        case '4': return "abaabb"; 
        case '5': return "abbaab"; 
        case '6': return "abbbaa";//中国 
        case '7': return "ababab"; 
        case '8': return "ababba"; 
        case '9': return "abbaba"; 
        default: return "error!"; 
      } 
    } 
  } 
}

 以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。