C#生成code128条形码

http://www.cnblogs.com/rophie/archive/2012/03/02/2376946.html

最近在做物流条形码的打印，下面分享一下用C#打印code128条码，以备后用。

using System; using System.Collections.Generic; using System.Data; using System.Drawing;   namespace Code {     class BarCode     {         public class Code128         {             private DataTable m_Code128 = new DataTable();             private uint m_Height = 40;             /// <summary>             /// 高度             /// </summary>             public uint Height { get { return m_Height; } set { m_Height = value; } }             private Font m_ValueFont = null;             /// <summary>             /// 是否显示可见号码  如果为NULL不显示号码             /// </summary>             public Font ValueFont { get { return m_ValueFont; } set { m_ValueFont = value; } }             private byte m_Magnify = 0;             /// <summary>             /// 放大倍数             /// </summary>             public byte Magnify { get { return m_Magnify; } set { m_Magnify = value; } }             /// <summary>             /// 条码类别             /// </summary>             public enum Encode             {                 Code128A,                 Code128B,                 Code128C,                 EAN128             }             public Code128()             {                 m_Code128.Columns.Add("ID");                 m_Code128.Columns.Add("Code128A");                 m_Code128.Columns.Add("Code128B");                 m_Code128.Columns.Add("Code128C");                 m_Code128.Columns.Add("BandCode");                 m_Code128.CaseSensitive = true;                 #region 数据表                 m_Code128.Rows.Add("0", " ", " ", "00", "212222");                 m_Code128.Rows.Add("1", "!", "!", "01", "222122");                 m_Code128.Rows.Add("2", "\"", "\"", "02", "222221");                 m_Code128.Rows.Add("3", "#", "#", "03", "121223");                 m_Code128.Rows.Add("4", "$", "$", "04", "121322");                 m_Code128.Rows.Add("5", "%", "%", "05", "131222");                 m_Code128.Rows.Add("6", "&", "&", "06", "122213");                 m_Code128.Rows.Add("7", "'", "'", "07", "122312");                 m_Code128.Rows.Add("8", "(", "(", "08", "132212");                 m_Code128.Rows.Add("9", ")", ")", "09", "221213");                 m_Code128.Rows.Add("10", "*", "*", "10", "221312");                 m_Code128.Rows.Add("11", "+", "+", "11", "231212");                 m_Code128.Rows.Add("12", ",", ",", "12", "112232");                 m_Code128.Rows.Add("13", "-", "-", "13", "122132");                 m_Code128.Rows.Add("14", ".", ".", "14", "122231");                 m_Code128.Rows.Add("15", "/", "/", "15", "113222");                 m_Code128.Rows.Add("16", "0", "0", "16", "123122");                 m_Code128.Rows.Add("17", "1", "1", "17", "123221");                 m_Code128.Rows.Add("18", "2", "2", "18", "223211");                 m_Code128.Rows.Add("19", "3", "3", "19", "221132");                 m_Code128.Rows.Add("20", "4", "4", "20", "221231");                 m_Code128.Rows.Add("21", "5", "5", "21", "213212");                 m_Code128.Rows.Add("22", "6", "6", "22", "223112");                 m_Code128.Rows.Add("23", "7", "7", "23", "312131");                 m_Code128.Rows.Add("24", "8", "8", "24", "311222");                 m_Code128.Rows.Add("25", "9", "9", "25", "321122");                 m_Code128.Rows.Add("26", ":", ":", "26", "321221");                 m_Code128.Rows.Add("27", ";", ";", "27", "312212");                 m_Code128.Rows.Add("28", "<", "<", "28", "322112");                 m_Code128.Rows.Add("29", "=", "=", "29", "322211");                 m_Code128.Rows.Add("30", ">", ">", "30", "212123");                 m_Code128.Rows.Add("31", "?", "?", "31", "212321");                 m_Code128.Rows.Add("32", "@", "@", "32", "232121");                 m_Code128.Rows.Add("33", "A", "A", "33", "111323");                 m_Code128.Rows.Add("34", "B", "B", "34", "131123");                 m_Code128.Rows.Add("35", "C", "C", "35", "131321");                 m_Code128.Rows.Add("36", "D", "D", "36", "112313");                 m_Code128.Rows.Add("37", "E", "E", "37", "132113");                 m_Code128.Rows.Add("38", "F", "F", "38", "132311");                 m_Code128.Rows.Add("39", "G", "G", "39", "211313");                 m_Code128.Rows.Add("40", "H", "H", "40", "231113");                 m_Code128.Rows.Add("41", "I", "I", "41", "231311");                 m_Code128.Rows.Add("42", "J", "J", "42", "112133");                 m_Code128.Rows.Add("43", "K", "K", "43", "112331");                 m_Code128.Rows.Add("44", "L", "L", "44", "132131");                 m_Code128.Rows.Add("45", "M", "M", "45", "113123");                 m_Code128.Rows.Add("46", "N", "N", "46", "113321");                 m_Code128.Rows.Add("47", "O", "O", "47", "133121");                 m_Code128.Rows.Add("48", "P", "P", "48", "313121");                 m_Code128.Rows.Add("49", "Q", "Q", "49", "211331");                 m_Code128.Rows.Add("50", "R", "R", "50", "231131");                 m_Code128.Rows.Add("51", "S", "S", "51", "213113");                 m_Code128.Rows.Add("52", "T", "T", "52", "213311");                 m_Code128.Rows.Add("53", "U", "U", "53", "213131");                 m_Code128.Rows.Add("54", "V", "V", "54", "311123");                 m_Code128.Rows.Add("55", "W", "W", "55", "311321");                 m_Code128.Rows.Add("56", "X", "X", "56", "331121");                 m_Code128.Rows.Add("57", "Y", "Y", "57", "312113");                 m_Code128.Rows.Add("58", "Z", "Z", "58", "312311");                 m_Code128.Rows.Add("59", "[", "[", "59", "332111");                 m_Code128.Rows.Add("60", "\\", "\\", "60", "314111");                 m_Code128.Rows.Add("61", "]", "]", "61", "221411");                 m_Code128.Rows.Add("62", "^", "^", "62", "431111");                 m_Code128.Rows.Add("63", "_", "_", "63", "111224");                 m_Code128.Rows.Add("64", "NUL", "`", "64", "111422");                 m_Code128.Rows.Add("65", "SOH", "a", "65", "121124");                 m_Code128.Rows.Add("66", "STX", "b", "66", "121421");                 m_Code128.Rows.Add("67", "ETX", "c", "67", "141122");                 m_Code128.Rows.Add("68", "EOT", "d", "68", "141221");                 m_Code128.Rows.Add("69", "ENQ", "e", "69", "112214");                 m_Code128.Rows.Add("70", "ACK", "f", "70", "112412");                 m_Code128.Rows.Add("71", "BEL", "g", "71", "122114");                 m_Code128.Rows.Add("72", "BS", "h", "72", "122411");                 m_Code128.Rows.Add("73", "HT", "i", "73", "142112");                 m_Code128.Rows.Add("74", "LF", "j", "74", "142211");                 m_Code128.Rows.Add("75", "VT", "k", "75", "241211");                 m_Code128.Rows.Add("76", "FF", "I", "76", "221114");                 m_Code128.Rows.Add("77", "CR", "m", "77", "413111");                 m_Code128.Rows.Add("78", "SO", "n", "78", "241112");                 m_Code128.Rows.Add("79", "SI", "o", "79", "134111");                 m_Code128.Rows.Add("80", "DLE", "p", "80", "111242");                 m_Code128.Rows.Add("81", "DC1", "q", "81", "121142");                 m_Code128.Rows.Add("82", "DC2", "r", "82", "121241");                 m_Code128.Rows.Add("83", "DC3", "s", "83", "114212");                 m_Code128.Rows.Add("84", "DC4", "t", "84", "124112");                 m_Code128.Rows.Add("85", "NAK", "u", "85", "124211");                 m_Code128.Rows.Add("86", "SYN", "v", "86", "411212");                 m_Code128.Rows.Add("87", "ETB", "w", "87", "421112");                 m_Code128.Rows.Add("88", "CAN", "x", "88", "421211");                 m_Code128.Rows.Add("89", "EM", "y", "89", "212141");                 m_Code128.Rows.Add("90", "SUB", "z", "90", "214121");                 m_Code128.Rows.Add("91", "ESC", "{", "91", "412121");                 m_Code128.Rows.Add("92", "FS", "|", "92", "111143");                 m_Code128.Rows.Add("93", "GS", "}", "93", "111341");                 m_Code128.Rows.Add("94", "RS", "~", "94", "131141");                 m_Code128.Rows.Add("95", "US", "DEL", "95", "114113");                 m_Code128.Rows.Add("96", "FNC3", "FNC3", "96", "114311");                 m_Code128.Rows.Add("97", "FNC2", "FNC2", "97", "411113");                 m_Code128.Rows.Add("98", "SHIFT", "SHIFT", "98", "411311");                 m_Code128.Rows.Add("99", "CODEC", "CODEC", "99", "113141");                 m_Code128.Rows.Add("100", "CODEB", "FNC4", "CODEB", "114131");                 m_Code128.Rows.Add("101", "FNC4", "CODEA", "CODEA", "311141");                 m_Code128.Rows.Add("102", "FNC1", "FNC1", "FNC1", "411131");                 m_Code128.Rows.Add("103", "StartA", "StartA", "StartA", "211412");                 m_Code128.Rows.Add("104", "StartB", "StartB", "StartB", "211214");                 m_Code128.Rows.Add("105", "StartC", "StartC", "StartC", "211232");                 m_Code128.Rows.Add("106", "Stop", "Stop", "Stop", "2331112");                 #endregion             }             /// <summary>             /// 获取128图形             /// </summary>             /// <param name="p_Text">文字</param>             /// <param name="p_Code">编码</param>                  /// <returns>图形</returns>             public Bitmap GetCodeImage(string p_Text, Encode p_Code)             {                 string _ViewText = p_Text;                 string _Text = "";                 IList<int> _TextNumb = new List<int>();                 int _Examine = 0;  //首位                 switch (p_Code)                 {                     case Encode.Code128C:                         _Examine = 105;                         if (!((p_Text.Length & 1) == 0)) throw new Exception("128C长度必须是偶数");                         while (p_Text.Length != 0)                         {                             int _Temp = 0;                             try                             {                                 int _CodeNumb128 = Int32.Parse(p_Text.Substring(0, 2));                             }                             catch                             {                                 throw new Exception("128C必须是数字！");                             }                             _Text += GetValue(p_Code, p_Text.Substring(0, 2), ref _Temp);                             _TextNumb.Add(_Temp);                             p_Text = p_Text.Remove(0, 2);                         }                         break;                     case Encode.EAN128:                         _Examine = 105;                         if (!((p_Text.Length & 1) == 0)) throw new Exception("EAN128长度必须是偶数");                         _TextNumb.Add(102);                         _Text += "411131";                         while (p_Text.Length != 0)                         {                             int _Temp = 0;                             try                             {                                 int _CodeNumb128 = Int32.Parse(p_Text.Substring(0, 2));                             }                             catch                             {                                 throw new Exception("128C必须是数字！");                             }                             _Text += GetValue(Encode.Code128C, p_Text.Substring(0, 2), ref _Temp);                             _TextNumb.Add(_Temp);                             p_Text = p_Text.Remove(0, 2);                         }                         break;                     default:                         if (p_Code == Encode.Code128A)                         {                             _Examine = 103;                         }                         else                         {                             _Examine = 104;                         }                           while (p_Text.Length != 0)                         {                             int _Temp = 0;                             string _ValueCode = GetValue(p_Code, p_Text.Substring(0, 1), ref _Temp);                             if (_ValueCode.Length == 0) throw new Exception("无效的字符集!" + p_Text.Substring(0, 1).ToString());                             _Text += _ValueCode;                             _TextNumb.Add(_Temp);                             p_Text = p_Text.Remove(0, 1);                         }                         break;                 }                 if (_TextNumb.Count == 0) throw new Exception("错误的编码,无数据");                 _Text = _Text.Insert(0, GetValue(_Examine)); //获取开始位                   for (int i = 0; i != _TextNumb.Count; i++)                 {                     _Examine += _TextNumb[i] * (i + 1);                 }                 _Examine = _Examine % 103;           //获得严效位                 _Text += GetValue(_Examine);  //获取严效位                 _Text += "2331112"; //结束位                 Bitmap _CodeImage = GetImage(_Text);                 GetViewText(_CodeImage, _ViewText);                 return _CodeImage;             }             /// <summary>             /// 获取目标对应的数据             /// </summary>             /// <param name="p_Code">编码</param>             /// <param name="p_Value">数值 A b  30</param>             /// <param name="p_SetID">返回编号</param>             /// <returns>编码</returns>             private string GetValue(Encode p_Code, string p_Value, ref int p_SetID)             {                 if (m_Code128 == null) return "";                 DataRow[] _Row = m_Code128.Select(p_Code.ToString() + "='" + p_Value + "'");                 if (_Row.Length != 1) throw new Exception("错误的编码" + p_Value.ToString());                 p_SetID = Int32.Parse(_Row[0]["ID"].ToString());                 return _Row[0]["BandCode"].ToString();             }             /// <summary>             /// 根据编号获得条纹             /// </summary>             /// <param name="p_CodeId"></param>             /// <returns></returns>             private string GetValue(int p_CodeId)             {                 DataRow[] _Row = m_Code128.Select("ID='" + p_CodeId.ToString() + "'");                 if (_Row.Length != 1) throw new Exception("验效位的编码错误" + p_CodeId.ToString());                 return _Row[0]["BandCode"].ToString();             }             /// <summary>             /// 获得条码图形             /// </summary>             /// <param name="p_Text">文字</param>             /// <returns>图形</returns>             private Bitmap GetImage(string p_Text)             {                 char[] _Value = p_Text.ToCharArray();                 int _Width = 0;                 for (int i = 0; i != _Value.Length; i++)                 {                     _Width += Int32.Parse(_Value[i].ToString()) * (m_Magnify + 1);                 }                 Bitmap _CodeImage = new Bitmap(_Width, (int)m_Height);                 Graphics _Garphics = Graphics.FromImage(_CodeImage);                 //Pen _Pen;                 int _LenEx = 0;                 for (int i = 0; i != _Value.Length; i++)                 {                     int _ValueNumb = Int32.Parse(_Value[i].ToString()) * (m_Magnify + 1);  //获取宽和放大系数                     if (!((i & 1) == 0))                     {                         //_Pen = new Pen(Brushes.White, _ValueNumb);                         _Garphics.FillRectangle(Brushes.White, new Rectangle(_LenEx, 0, _ValueNumb, (int)m_Height));                     }                     else                     {                         //_Pen = new Pen(Brushes.Black, _ValueNumb);                         _Garphics.FillRectangle(Brushes.Black, new Rectangle(_LenEx, 0, _ValueNumb, (int)m_Height));                     }                     //_Garphics.(_Pen, new Point(_LenEx, 0), new Point(_LenEx, m_Height));                     _LenEx += _ValueNumb;                 }                 _Garphics.Dispose();                 return _CodeImage;             }             /// <summary>             /// 显示可见条码文字 如果小于40 不显示文字             /// </summary>             /// <param name="p_Bitmap">图形</param>                       private void GetViewText(Bitmap p_Bitmap, string p_ViewText)             {                 if (m_ValueFont == null) return;                   Graphics _Graphics = Graphics.FromImage(p_Bitmap);                 SizeF _DrawSize = _Graphics.MeasureString(p_ViewText, m_ValueFont);                 if (_DrawSize.Height > p_Bitmap.Height - 10 || _DrawSize.Width > p_Bitmap.Width)                 {                     _Graphics.Dispose();                     return;                 }                   int _StarY = p_Bitmap.Height - (int)_DrawSize.Height;                 _Graphics.FillRectangle(Brushes.White, new Rectangle(0, _StarY, p_Bitmap.Width, (int)_DrawSize.Height));                 _Graphics.DrawString(p_ViewText, m_ValueFont, Brushes.Black, 0, _StarY);             }               //12345678             //(105 + (1 * 12 + 2 * 34 + 3 * 56 + 4 *78)) % 103 = 47             //结果为starc +12 +34 +56 +78 +47 +end               internal Image GetCodeImage(string p)             {                 throw new NotImplementedException();             }         }       } }

　　

　　调用代码为：

            Code128 _Code = new Code128();
            _Code.ValueFont = new Font("宋体", 20);
            System.Drawing.Bitmap imgTemp = _Code.GetCodeImage("T26200-1900-123-1-0900",Code128.Encode.Code128A);
            imgTemp.Save(System.AppDomain.CurrentDomain.BaseDirectory + "\\" + "BarCode.gif", System.Drawing.Imaging.ImageFormat.Gif);