1.     public class Code128
  2.     {
  3.         private DataTable m_Code128 = new DataTable();
  4.         private uint m_Height = ;
  5.         /// <summary>
  6.         /// 高度
  7.         /// </summary>
  8.         public uint Height { get { return m_Height; } set { m_Height = value; } }
  9.         private Font m_ValueFont = null;
  10.         /// <summary>
  11.         /// 是否显示可见号码  如果为NULL不显示号码
  12.         /// </summary>
  13.         public Font ValueFont { get { return m_ValueFont; } set { m_ValueFont = value; } }
  14.         private byte m_Magnify = ;
  15.         /// <summary>
  16.         /// 放大倍数
  17.         /// </summary>
  18.         public byte Magnify { get { return m_Magnify; } set { m_Magnify = value; } }
  19.         /// <summary>
  20.         /// 条码类别
  21.         /// </summary>
  22.         public enum Encode
  23.         {
  24.             Code128A,
  25.             Code128B,
  26.             Code128C,
  27.             EAN128
  28.         }
  29.         public Code128()
  30.         {
  31.             m_Code128.Columns.Add("ID");
  32.             m_Code128.Columns.Add("Code128A");
  33.             m_Code128.Columns.Add("Code128B");
  34.             m_Code128.Columns.Add("Code128C");
  35.             m_Code128.Columns.Add("BandCode");
  36.             m_Code128.CaseSensitive = true;
  37.             #region 数据表
  38.             m_Code128.Rows.Add("", " ", " ", "", "");
  39.             m_Code128.Rows.Add("", "!", "!", "", "");
  40.             m_Code128.Rows.Add("", "\"", "\"", "", "");
  41.             m_Code128.Rows.Add("", "#", "#", "", "");
  42.             m_Code128.Rows.Add("", "$", "$", "", "");
  43.             m_Code128.Rows.Add("", "%", "%", "", "");
  44.             m_Code128.Rows.Add("", "&", "&", "", "");
  45.             m_Code128.Rows.Add("", "'", "'", "", "");
  46.             m_Code128.Rows.Add("", "(", "(", "", "");
  47.             m_Code128.Rows.Add("", ")", ")", "", "");
  48.             m_Code128.Rows.Add("", "*", "*", "", "");
  49.             m_Code128.Rows.Add("", "+", "+", "", "");
  50.             m_Code128.Rows.Add("", ",", ",", "", "");
  51.             m_Code128.Rows.Add("", "-", "-", "", "");
  52.             m_Code128.Rows.Add("", ".", ".", "", "");
  53.             m_Code128.Rows.Add("", "/", "/", "", "");
  54.             m_Code128.Rows.Add("", "", "", "", "");
  55.             m_Code128.Rows.Add("", "", "", "", "");
  56.             m_Code128.Rows.Add("", "", "", "", "");
  57.             m_Code128.Rows.Add("", "", "", "", "");
  58.             m_Code128.Rows.Add("", "", "", "", "");
  59.             m_Code128.Rows.Add("", "", "", "", "");
  60.             m_Code128.Rows.Add("", "", "", "", "");
  61.             m_Code128.Rows.Add("", "", "", "", "");
  62.             m_Code128.Rows.Add("", "", "", "", "");
  63.             m_Code128.Rows.Add("", "", "", "", "");
  64.             m_Code128.Rows.Add("", ":", ":", "", "");
  65.             m_Code128.Rows.Add("", ";", ";", "", "");
  66.             m_Code128.Rows.Add("", "<", "<", "", "");
  67.             m_Code128.Rows.Add("", "=", "=", "", "");
  68.             m_Code128.Rows.Add("", ">", ">", "", "");
  69.             m_Code128.Rows.Add("", "?", "?", "", "");
  70.             m_Code128.Rows.Add("", "@", "@", "", "");
  71.             m_Code128.Rows.Add("", "A", "A", "", "");
  72.             m_Code128.Rows.Add("", "B", "B", "", "");
  73.             m_Code128.Rows.Add("", "C", "C", "", "");
  74.             m_Code128.Rows.Add("", "D", "D", "", "");
  75.             m_Code128.Rows.Add("", "E", "E", "", "");
  76.             m_Code128.Rows.Add("", "F", "F", "", "");
  77.             m_Code128.Rows.Add("", "G", "G", "", "");
  78.             m_Code128.Rows.Add("", "H", "H", "", "");
  79.             m_Code128.Rows.Add("", "I", "I", "", "");
  80.             m_Code128.Rows.Add("", "J", "J", "", "");
  81.             m_Code128.Rows.Add("", "K", "K", "", "");
  82.             m_Code128.Rows.Add("", "L", "L", "", "");
  83.             m_Code128.Rows.Add("", "M", "M", "", "");
  84.             m_Code128.Rows.Add("", "N", "N", "", "");
  85.             m_Code128.Rows.Add("", "O", "O", "", "");
  86.             m_Code128.Rows.Add("", "P", "P", "", "");
  87.             m_Code128.Rows.Add("", "Q", "Q", "", "");
  88.             m_Code128.Rows.Add("", "R", "R", "", "");
  89.             m_Code128.Rows.Add("", "S", "S", "", "");
  90.             m_Code128.Rows.Add("", "T", "T", "", "");
  91.             m_Code128.Rows.Add("", "U", "U", "", "");
  92.             m_Code128.Rows.Add("", "V", "V", "", "");
  93.             m_Code128.Rows.Add("", "W", "W", "", "");
  94.             m_Code128.Rows.Add("", "X", "X", "", "");
  95.             m_Code128.Rows.Add("", "Y", "Y", "", "");
  96.             m_Code128.Rows.Add("", "Z", "Z", "", "");
  97.             m_Code128.Rows.Add("", "[", "[", "", "");
  98.             m_Code128.Rows.Add("", "\\", "\\", "", "");
  99.             m_Code128.Rows.Add("", "]", "]", "", "");
  100.             m_Code128.Rows.Add("", "^", "^", "", "");
  101.             m_Code128.Rows.Add("", "_", "_", "", "");
  102.             m_Code128.Rows.Add("", "NUL", "`", "", "");
  103.             m_Code128.Rows.Add("", "SOH", "a", "", "");
  104.             m_Code128.Rows.Add("", "STX", "b", "", "");
  105.             m_Code128.Rows.Add("", "ETX", "c", "", "");
  106.             m_Code128.Rows.Add("", "EOT", "d", "", "");
  107.             m_Code128.Rows.Add("", "ENQ", "e", "", "");
  108.             m_Code128.Rows.Add("", "ACK", "f", "", "");
  109.             m_Code128.Rows.Add("", "BEL", "g", "", "");
  110.             m_Code128.Rows.Add("", "BS", "h", "", "");
  111.             m_Code128.Rows.Add("", "HT", "i", "", "");
  112.             m_Code128.Rows.Add("", "LF", "j", "", "");
  113.             m_Code128.Rows.Add("", "VT", "k", "", "");
  114.             m_Code128.Rows.Add("", "FF", "I", "", "");
  115.             m_Code128.Rows.Add("", "CR", "m", "", "");
  116.             m_Code128.Rows.Add("", "SO", "n", "", "");
  117.             m_Code128.Rows.Add("", "SI", "o", "", "");
  118.             m_Code128.Rows.Add("", "DLE", "p", "", "");
  119.             m_Code128.Rows.Add("", "DC1", "q", "", "");
  120.             m_Code128.Rows.Add("", "DC2", "r", "", "");
  121.             m_Code128.Rows.Add("", "DC3", "s", "", "");
  122.             m_Code128.Rows.Add("", "DC4", "t", "", "");
  123.             m_Code128.Rows.Add("", "NAK", "u", "", "");
  124.             m_Code128.Rows.Add("", "SYN", "v", "", "");
  125.             m_Code128.Rows.Add("", "ETB", "w", "", "");
  126.             m_Code128.Rows.Add("", "CAN", "x", "", "");
  127.             m_Code128.Rows.Add("", "EM", "y", "", "");
  128.             m_Code128.Rows.Add("", "SUB", "z", "", "");
  129.             m_Code128.Rows.Add("", "ESC", "{", "", "");
  130.             m_Code128.Rows.Add("", "FS", "|", "", "");
  131.             m_Code128.Rows.Add("", "GS", "}", "", "");
  132.             m_Code128.Rows.Add("", "RS", "~", "", "");
  133.             m_Code128.Rows.Add("", "US", "DEL", "", "");
  134.             m_Code128.Rows.Add("", "FNC3", "FNC3", "", "");
  135.             m_Code128.Rows.Add("", "FNC2", "FNC2", "", "");
  136.             m_Code128.Rows.Add("", "SHIFT", "SHIFT", "", "");
  137.             m_Code128.Rows.Add("", "CODEC", "CODEC", "", "");
  138.             m_Code128.Rows.Add("", "CODEB", "FNC4", "CODEB", "");
  139.             m_Code128.Rows.Add("", "FNC4", "CODEA", "CODEA", "");
  140.             m_Code128.Rows.Add("", "FNC1", "FNC1", "FNC1", "");
  141.             m_Code128.Rows.Add("", "StartA", "StartA", "StartA", "");
  142.             m_Code128.Rows.Add("", "StartB", "StartB", "StartB", "");
  143.             m_Code128.Rows.Add("", "StartC", "StartC", "StartC", "");
  144.             m_Code128.Rows.Add("", "Stop", "Stop", "Stop", "");
  145.             #endregion
  146.         }
  147.         /// <summary>
  148.         /// 获取128图形
  149.         /// </summary>
  150.         /// <param name="p_Text">文字</param>
  151.         /// <param name="p_Code">编码</param>
  152.         /// <returns>图形</returns>
  153.         public Bitmap GetCodeImage(string p_Text, Encode p_Code)
  154.         {
  155.             string _ViewText = p_Text;
  156.             string _Text = "";
  157.             IList<int> _TextNumb = new List<int>();
  158.             int _Examine = ;  //首位
  159.             switch (p_Code)
  160.             {
  161.                 case Encode.Code128C:
  162.                     _Examine = ;
  163.                     if (!((p_Text.Length & ) == )) throw new Exception("128C长度必须是偶数");
  164.                     while (p_Text.Length != )
  165.                     {
  166.                         int _Temp = ;
  167.                         try
  168.                         {
  169.                             int _CodeNumb128 = Int32.Parse(p_Text.Substring(, ));
  170.                         }
  171.                         catch
  172.                         {
  173.                             throw new Exception("128C必须是数字！");
  174.                         }
  175.                         _Text += GetValue(p_Code, p_Text.Substring(, ), ref _Temp);
  176.                         _TextNumb.Add(_Temp);
  177.                         p_Text = p_Text.Remove(, );
  178.                     }
  179.                     break;
  180.                 case Encode.EAN128:
  181.                     _Examine = ;
  182.                     if (!((p_Text.Length & ) == )) throw new Exception("EAN128长度必须是偶数");
  183.                     _TextNumb.Add();
  184.                     _Text += "";
  185.                     while (p_Text.Length != )
  186.                     {
  187.                         int _Temp = ;
  188.                         try
  189.                         {
  190.                             int _CodeNumb128 = Int32.Parse(p_Text.Substring(, ));
  191.                         }
  192.                         catch
  193.                         {
  194.                             throw new Exception("128C必须是数字！");
  195.                         }
  196.                         _Text += GetValue(Encode.Code128C, p_Text.Substring(, ), ref _Temp);
  197.                         _TextNumb.Add(_Temp);
  198.                         p_Text = p_Text.Remove(, );
  199.                     }
  200.                     break;
  201.                 default:
  202.                     if (p_Code == Encode.Code128A)
  203.                     {
  204.                         _Examine = ;
  205.                     }
  206.                     else
  207.                     {
  208.                         _Examine = ;
  209.                     }
  210.  
  211.                     while (p_Text.Length != )
  212.                     {
  213.                         int _Temp = ;
  214.                         string _ValueCode = GetValue(p_Code, p_Text.Substring(, ), ref _Temp);
  215.                         if (_ValueCode.Length == ) throw new Exception("无效的字符集!" + p_Text.Substring(, ).ToString());
  216.                         _Text += _ValueCode;
  217.                         _TextNumb.Add(_Temp);
  218.                         p_Text = p_Text.Remove(, );
  219.                     }
  220.                     break;
  221.             }
  222.             if (_TextNumb.Count == ) throw new Exception("错误的编码,无数据");
  223.             _Text = _Text.Insert(, GetValue(_Examine)); //获取开始位
  224.  
  225.             for (int i = ; i != _TextNumb.Count; i++)
  226.             {
  227.                 _Examine += _TextNumb[i] * (i + );
  228.             }
  229.             _Examine = _Examine % ;           //获得严效位
  230.             _Text += GetValue(_Examine);  //获取严效位
  231.             _Text += ""; //结束位
  232.             Bitmap _CodeImage = GetImage(_Text);
  233.             GetViewText(_CodeImage, _ViewText);
  234.             return _CodeImage;
  235.         }
  236.         /// <summary>
  237.         /// 获取目标对应的数据
  238.         /// </summary>
  239.         /// <param name="p_Code">编码</param>
  240.         /// <param name="p_Value">数值 A b  30</param>
  241.         /// <param name="p_SetID">返回编号</param>
  242.         /// <returns>编码</returns>
  243.         private string GetValue(Encode p_Code, string p_Value, ref int p_SetID)
  244.         {
  245.             if (m_Code128 == null) return "";
  246.             DataRow[] _Row = m_Code128.Select(p_Code.ToString() + "='" + p_Value + "'");
  247.             if (_Row.Length != ) throw new Exception("错误的编码" + p_Value.ToString());
  248.             p_SetID = Int32.Parse(_Row[]["ID"].ToString());
  249.             return _Row[]["BandCode"].ToString();
  250.         }
  251.         /// <summary>
  252.         /// 根据编号获得条纹
  253.         /// </summary>
  254.         /// <param name="p_CodeId"></param>
  255.         /// <returns></returns>
  256.         private string GetValue(int p_CodeId)
  257.         {
  258.             DataRow[] _Row = m_Code128.Select("ID='" + p_CodeId.ToString() + "'");
  259.             if (_Row.Length != ) throw new Exception("验效位的编码错误" + p_CodeId.ToString());
  260.             return _Row[]["BandCode"].ToString();
  261.         }
  262.         /// <summary>
  263.         /// 获得条码图形
  264.         /// </summary>
  265.         /// <param name="p_Text">文字</param>
  266.         /// <returns>图形</returns>
  267.         private Bitmap GetImage(string p_Text)
  268.         {
  269.             char[] _Value = p_Text.ToCharArray();
  270.             int _Width = ;
  271.             for (int i = ; i != _Value.Length; i++)
  272.             {
  273.                 _Width += Int32.Parse(_Value[i].ToString()) * (m_Magnify + );
  274.             }
  275.             Bitmap _CodeImage = new Bitmap(_Width, (int)m_Height);
  276.             Graphics _Garphics = Graphics.FromImage(_CodeImage);
  277.             //Pen _Pen;
  278.             int _LenEx = ;
  279.             for (int i = ; i != _Value.Length; i++)
  280.             {
  281.                 int _ValueNumb = Int32.Parse(_Value[i].ToString()) * (m_Magnify + );  //获取宽和放大系数
  282.                 if (!((i & ) == ))
  283.                 {
  284.                     //_Pen = new Pen(Brushes.White, _ValueNumb);
  285.                     _Garphics.FillRectangle(Brushes.White, new Rectangle(_LenEx, , _ValueNumb, (int)m_Height));
  286.                 }
  287.                 else
  288.                 {
  289.                     //_Pen = new Pen(Brushes.Black, _ValueNumb);
  290.                     _Garphics.FillRectangle(Brushes.Black, new Rectangle(_LenEx, , _ValueNumb, (int)m_Height));
  291.                 }
  292.                 //_Garphics.(_Pen, new Point(_LenEx, 0), new Point(_LenEx, m_Height));
  293.                 _LenEx += _ValueNumb;
  294.             }
  295.             _Garphics.Dispose();
  296.             return _CodeImage;
  297.         }
  298.         /// <summary>
  299.         /// 显示可见条码文字 如果小于40 不显示文字
  300.         /// </summary>
  301.         /// <param name="p_Bitmap">图形</param>
  302.         private void GetViewText(Bitmap p_Bitmap, string p_ViewText)
  303.         {
  304.             if (m_ValueFont == null) return;
  305.  
  306.             Graphics _Graphics = Graphics.FromImage(p_Bitmap);
  307.             SizeF _DrawSize = _Graphics.MeasureString(p_ViewText, m_ValueFont);
  308.             if (_DrawSize.Height > p_Bitmap.Height -  || _DrawSize.Width > p_Bitmap.Width)
  309.             {
  310.                 _Graphics.Dispose();
  311.                 return;
  312.             }
  313.  
  314.             int _StarX = p_Bitmap.Width - (int)_DrawSize.Width;
  315.             int _StarY = p_Bitmap.Height - (int)_DrawSize.Height;
  316.             _Graphics.FillRectangle(Brushes.White, new Rectangle(, _StarY, p_Bitmap.Width, (int)_DrawSize.Height));
  317.             _Graphics.DrawString(p_ViewText, m_ValueFont, Brushes.Black, _StarX / , _StarY);//文字在图片的中间位置
  318.         }
  319.  
  320.         //12345678
  321.         //(105 + (1 * 12 + 2 * 34 + 3 * 56 + 4 *78)) % 103 = 47
  322.         //结果为starc +12 +34 +56 +78 +47 +end
  323.  
  324.         internal Image GetCodeImage(string p)
  325.         {
  326.             throw new NotImplementedException();
  327.         }
  328.     }

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