1 using System;  2 using System.Collections;  3 using System.Collections.Generic;  4 using System.Drawing;  5 using System.Linq;  6 using System.Text;  7 using System.Threading.Tasks;  8   9 namespace JXUtil 10 { 11     public class BarCode 12     { 13         private Hashtable _Code39 = new Hashtable(); 14  15         /// 
 16         /// 内容 17         /// 
 18         public string Text { get; set; } 19  20         /// 
 21         /// 放大倍数 22         /// 
 23         public byte Magnify { get; set; } 24  25         /// 
 26         /// 图形高 27         /// 
 28         public int Height { get; set; } 29  30         /// 
 31         /// 字体大小 32         /// 
 33         public Font ViewFont { get; set; } 34  35         public BarCode() 36         { 37             _Code39.Add("A", "1101010010110"); 38             _Code39.Add("B", "1011010010110"); 39             _Code39.Add("C", "1101101001010"); 40             _Code39.Add("D", "1010110010110"); 41             _Code39.Add("E", "1101011001010"); 42             _Code39.Add("F", "1011011001010"); 43             _Code39.Add("G", "1010100110110"); 44             _Code39.Add("H", "1101010011010"); 45             _Code39.Add("I", "1011010011010"); 46             _Code39.Add("J", "1010110011010"); 47             _Code39.Add("K", "1101010100110"); 48             _Code39.Add("L", "1011010100110"); 49             _Code39.Add("M", "1101101010010"); 50             _Code39.Add("N", "1010110100110"); 51             _Code39.Add("O", "1101011010010"); 52             _Code39.Add("P", "1011011010010"); 53             _Code39.Add("Q", "1010101100110"); 54             _Code39.Add("R", "1101010110010"); 55             _Code39.Add("S", "1011010110010"); 56             _Code39.Add("T", "1010110110010"); 57             _Code39.Add("U", "1100101010110"); 58             _Code39.Add("V", "1001101010110"); 59             _Code39.Add("W", "1100110101010"); 60             _Code39.Add("X", "1001011010110"); 61             _Code39.Add("Y", "1100101101010"); 62             _Code39.Add("Z", "1001101101010"); 63             _Code39.Add("0", "1010011011010"); 64             _Code39.Add("1", "1101001010110"); 65             _Code39.Add("2", "1011001010110"); 66             _Code39.Add("3", "1101100101010"); 67             _Code39.Add("4", "1010011010110"); 68             _Code39.Add("5", "1101001101010"); 69             _Code39.Add("6", "1011001101010"); 70             _Code39.Add("7", "1010010110110"); 71             _Code39.Add("8", "1101001011010"); 72             _Code39.Add("9", "1011001011010"); 73             _Code39.Add("+", "1001010010010"); 74             _Code39.Add("-", "1001010110110"); 75             _Code39.Add("*", "1001011011010"); 76             _Code39.Add("/", "1001001010010"); 77             _Code39.Add("%", "1010010010010"); 78             _Code39.Add("&", "1001001001010"); 79             _Code39.Add(".", "1100101011010"); 80             _Code39.Add(" ", "1001101011010"); 81         } 82  83         public enum Code39Model 84         { 85             /// 
 86             /// 基本类别 1234567890ABC 87             /// 
 88             Code39Normal, 89             /// 
 90             /// 全ASCII方式 +A+B 来表示小写 91             /// 
 92             Code39FullAscII 93         } 94  95         /// 
 96         /// 获得条码图形 97         /// 
 98         /// 文字信息 99         /// 类别100         /// 是否增加前后*号101         /// 
      
       图形
      102         public Bitmap GetCodeImage(Code39Model model, bool star)103         {104             string textVal = "";105             string textCode = "";106             char[] charVal = null;107             switch (model)108             {109                 case Code39Model.Code39Normal:110                     textVal = Text.ToUpper();111                     break;112                 default:113                     charVal = Text.ToCharArray();114                     for (int i = 0; i != charVal.Length; i++)115                     {116                         if ((int)charVal[i] >= 97 && (int)charVal[i] <= 122)117                         {118                             textVal += "+" + charVal[i].ToString().ToUpper();119 120                         }121                         else122                         {123                             textVal += charVal[i].ToString();124                         }125                     }126                     break;127             }128             charVal = textVal.ToCharArray();129             if (star == true) textCode += _Code39["*"];130             for (int i = 0; i != charVal.Length; i++)131             {132                 if (star == true && charVal[i] == '*') throw new Exception("带有起始符号不能出现*");133                 object _CharCode = _Code39[charVal[i].ToString()];134                 if (_CharCode == null) throw new Exception("不可用的字符" + charVal[i].ToString());135                 textCode += _CharCode.ToString();136             }137             if (star == true) textCode += _Code39["*"];138             Bitmap bmp = GetImage(textCode);139             GetViewImage(bmp, Text);140             return bmp;141         }142 143         /// 
144         /// 绘制编码图形145         /// 
146         /// 编码147         /// 
      
       图形
      148         private Bitmap GetImage(string text)149         {150             char[] val = text.ToCharArray();151 152             //宽 == 需要绘制的数量*放大倍数 + 两个字的宽   153             Bitmap codeImg = new Bitmap(val.Length * ((int)Magnify + 1), (int)Height);154             Graphics graph = Graphics.FromImage(codeImg);155 156             graph.FillRectangle(Brushes.White, new Rectangle(0, 0, codeImg.Width, codeImg.Height));157 158             int len = 0;159             for (int i = 0; i != val.Length; i++)160             {161                 int width = Magnify + 1;162                 if (val[i] == '1')163                 {164                     graph.FillRectangle(Brushes.Black, new Rectangle(len, 0, width, Height));165 166                 }167                 else168                 {169                     graph.FillRectangle(Brushes.White, new Rectangle(len, 0, width, Height));170                 }171                 len += width;172             }173 174             graph.Dispose();175             return codeImg;176         }177 178         /// 
179         /// 绘制文字180         /// 
181         /// 图形182         /// 文字183         private void GetViewImage(Bitmap codeImage, string text)184         {185             if (ViewFont == null) return;186             Graphics graphic = Graphics.FromImage(codeImage);187             SizeF fontSize = graphic.MeasureString(text, ViewFont);188 189             if (fontSize.Width > codeImage.Width || fontSize.Height > codeImage.Height - 20)190             {191                 graphic.Dispose();192                 return;193             }194             int starHeight = codeImage.Height - (int)fontSize.Height;195             graphic.FillRectangle(Brushes.White, new Rectangle(0, starHeight, codeImage.Width, (int)fontSize.Height));196 197             int _StarWidth = (codeImage.Width - (int)fontSize.Width) / 2;198             graphic.DrawString(text, ViewFont, Brushes.Black, _StarWidth, starHeight);199             graphic.Dispose();200 201         }202     }203 204     public class BarCode128205     {206         //  ASCII从32到127对应的条码区,由3个条、3个空、共11个单元构成,符号内含校验码207         private string[] Code128Encoding = new string[] {208 "11011001100", "11001101100", "11001100110", "10010011000", "10010001100", "10001001100", "10011001000", "10011000100", "10001100100", "11001001000",209 "11001000100", "11000100100", "10110011100", "10011011100", "10011001110", "10111001100", "10011101100", "10011100110", "11001110010", "11001011100",210 "11001001110", "11011100100", "11001110100", "11101101110", "11101001100", "11100101100", "11100100110", "11101100100", "11100110100", "11100110010",211 "11011011000", "11011000110", "11000110110", "10100011000", "10001011000", "10001000110", "10110001000", "10001101000", "10001100010", "11010001000",212 "11000101000", "11000100010", "10110111000", "10110001110", "10001101110", "10111011000", "10111000110", "10001110110", "11101110110", "11010001110",213 "11000101110", "11011101000", "11011100010", "11011101110", "11101011000", "11101000110", "11100010110", "11101101000", "11101100010", "11100011010",214 "11101111010", "11001000010", "11110001010", "10100110000", "10100001100", "10010110000", "10010000110", "10000101100", "10000100110", "10110010000",215 "10110000100", "10011010000", "10011000010", "10000110100", "10000110010", "11000010010", "11001010000", "11110111010", "11000010100", "10001111010",216 "10100111100", "10010111100", "10010011110", "10111100100", "10011110100", "10011110010", "11110100100", "11110010100", "11110010010", "11011011110",217 "11011110110", "11110110110", "10101111000", "10100011110", "10001011110", "10111101000", "10111100010", "11110101000", "11110100010", "10111011110",218 "10111101110", "11101011110", "11110101110", "11010000100", "11010010000", "11010011100"219 };220         private const string Code128Stop = "11000111010", Code128End = "11"; //固定码尾221         private enum Code128ChangeModes { CodeA = 101, CodeB = 100, CodeC = 99 }; //变更222         private enum Code128StartModes { CodeUnset = 0, CodeA = 103, CodeB = 104, CodeC = 105 };//各类编码的码头223 224         /// 
225         /// 绘制Code128码(以像素为单位)226         /// 
227         public int EncodeBarcode(string code, System.Drawing.Graphics g, int x, int y, int width, int height, bool showText)228         {229             if (string.IsNullOrEmpty(code)) new Exception("条码不能为空");230             List
      
        encoded = CodetoEncoded(code); //1.拆分转义231             encoded.Add(CheckDigitCode128(encoded)); //2.加入校验码232             string encodestring = EncodeString(encoded); //3.编码233 234             if (showText) //计算文本的大小,字体占图像的1/4高235             {236                 Font font = new System.Drawing.Font("宋体", height / 4F, System.Drawing.FontStyle.Regular, GraphicsUnit.Pixel, ((byte)(0)));237                 SizeF size = g.MeasureString(code, font);238                 height = height - (int)size.Height;239 240                 int _StarWidth = (width - (int)size.Width) / 2;241                 g.DrawString(code, font, System.Drawing.Brushes.Black, _StarWidth, height);242                 int w = DrawBarCode(g, encodestring, x, y, width, height); //4.绘制243                 return ((int)size.Width > w ? (int)size.Width : w);244             }245             else246                 return DrawBarCode(g, encodestring, x, y, width, height); //4.绘制247         }248 249         //1.检测并将字符串拆分并加入码头250         private List
       
         CodetoEncoded(string code)251         {252             List
        
          encoded = new List
         
          ();253             int type = 0;//2:B类,3:C类254             for (int i = 0; code.Length > 0; i++)255             {256                 int k = isNumber(code);257                 if (k >= 4) //连续偶个数字可优先使用C类(其实并不定要转C类，但能用C类时条码会更短)258                 {259                     if (type == 0) encoded.Add((int)Code128StartModes.CodeC); //加入码头260                     else if (type != 3) encoded.Add((int)(Code128ChangeModes.CodeC)); //转义261                     type = 3;262                     for (int j = 0; j < k; j = j + 2) //两位数字合为一个码身263                     {264                         encoded.Add(Int32.Parse(code.Substring(0, 2)));265                         code = code.Substring(2);266                     }267                 }268                 else269                 {270                     if ((int)code[0] < 32 || (int)code[0] > 126) throw new Exception("字符串必须是数字或字母");271                     if (type == 0) encoded.Add((int)Code128StartModes.CodeB); //加入码头272                     else if (type != 2) encoded.Add((int)(Code128ChangeModes.CodeB)); //转义273                     type = 2;274                     encoded.Add((int)code[0] - 32);//字符串转为ASCII-32275                     code = code.Substring(1);276                 }277             }278             return encoded;279         }280         //2.校验码281         private int CheckDigitCode128(List
          
            encoded)282         {283             int check = encoded[0];284             for (int i = 1; i < encoded.Count; i++)285                 check = check + (encoded[i] * i);286             return (check % 103);287         }288 289         //2.编码(对应Code128Encoding数组)290         private string EncodeString(List
           
             encoded)291 {292 string encodedString = "";293 for (int i = 0; i < encoded.Count; i++)294 {295 encodedString += Code128Encoding[encoded[i]];296 }297 encodedString += Code128Stop + Code128End; // 加入结束码298 return encodedString;299 }300 301 //4.绘制条码(返回实际图像宽度)302 private int DrawBarCode(System.Drawing.Graphics g, string encodeString, int x, int y, int width, int height)303 {304 int w = width / encodeString.Length;305 for (int i = 0; i < encodeString.Length; i++)306 {307 g.FillRectangle(encodeString[i] == '0' ? System.Drawing.Brushes.White : System.Drawing.Brushes.Black, x, y, w, height);308 x += w;309 }310 return w * (encodeString.Length + 2);311 }312 //检测是否连续偶个数字,返回连续数字的长度313 private int isNumber(string code)314 {315 int k = 0;316 for (int i = 0; i < code.Length; i++)317 {318 if (char.IsNumber(code[i]))319 k++;320 else321 break;322 }323 if (k % 2 != 0) k--;324 return k;325 }326 327 /// 
            
328 /// 绘制Code128码到图片329 /// 
330 public Image EncodeBarcode(string code, int width, int height, bool showText)331 {332 Bitmap image = new Bitmap(width, height);333 using (Graphics g = Graphics.FromImage(image))334 {335 g.Clear(Color.White);336 int w = EncodeBarcode(code, g, 0, 0, width, height, showText);337 338 Bitmap image2 = new Bitmap(w, height); //剪切多余的空白;339 using (Graphics g2 = Graphics.FromImage(image2))340 {341 g2.DrawImage(image, 0, 0);342 return image2;343 }344 345 }346 347 }348 349 /// 
            
350 /// 绘制Code128码到流351 /// 
352 public byte[] EncodeBarcodeByte(string code, int width, int height, bool showText)353 {354 Image image = EncodeBarcode(code, width, height, showText);355 System.IO.MemoryStream ms = new System.IO.MemoryStream();356 image.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);357 byte[] byteImage = ms.ToArray();358 ms.Close();359 image.Dispose();360 return byteImage;361 362 }363 }364 }
           
          
         
        
       
      

1 
      
        2         
       
         3             
           4                 
 5                 
 9             
10             
          11                 
12                 
15             
16         
        
         
          
条码：
          
 6                     
 7                     动态生成条码，生成多条码使用“,”号分隔。 8                 
         
         
          
          
13                     生成14                 
         
        
       
17 
      

1 $("#btnCreate").click(function () { 2             var barCode = $("#barCode").val(); 3             if (barCode != "" && barCode != null) { 4                 $("#print").html(""); 5                 var imgStr = ""; 6                 if (barCode.indexOf(",") > -1) { 7                     var code = barCode.split(","); 8                     $.each(code, function (index, value) { 9                         if (value != "" && value != null) {10                             imgStr += "
      
       
      
";11                         }12                     });13                 }14                 else {15                     imgStr = "
      
       
      
";16                 }17                 18                 $("#print").append(imgStr);19             }20             else {21                 alert("条码不能为空！");22             }23         });

1 public ActionResult CreateBarCode(string code) 2         { 3             JXUtil.BarCode barcode = new JXUtil.BarCode(); 4             barcode.Text = code; 5             barcode.Height = 80; 6             barcode.Magnify = 1; 7             barcode.ViewFont = new Font("宋体", 20); 8             System.Drawing.Image codeImage = barcode.GetCodeImage(JXUtil.BarCode.Code39Model.Code39Normal, true); 9 10             System.IO.MemoryStream ms = new System.IO.MemoryStream();11             codeImage.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);12 13             Response.ContentType = "image/jpeg";14             Response.Clear();15             Response.BinaryWrite(ms.ToArray());16 17             return new EmptyResult();18         }