条形的码
//公共類
public class BarCodeHelper{public static string get39(string s, int width, int height){Hashtable ht = new Hashtable();#region 39碼 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('$', "100100100101");ht.Add('.', "110010101101");ht.Add(' ', "100110101101");#endregion#region 39碼 9位#endregions = s.ToUpper();string result_bin = "";//二進制串try{foreach (char ch in s){result_bin += ht[ch].ToString();result_bin += "0";//間隔，與一個單位的線條寬度相等}}catch { return "存在不允許的字符！"; }string result_html = "";//HTML代碼string color = "";//顏色foreach (char c in result_bin){color = c == '0' ? "#FFFFFF" : "#000000";result_html += "<div style=\"width:" + width + "px;height:" + height + "px;float:left;background:" + color + ";\"></div>";}result_html += "<div style=\"clear:both\"></div>";int len = ht['*'].ToString().Length;foreach (char c in s){result_html += "<div style=\"width:" + (width * (len + 1)) + "px;float:left;color:#000000;text-align:center;\">" + c + "</div>";}result_html += "<div style=\"clear:both\"></div>";return "<div style=\"background:#FFFFFF;padding:5px;font-size:" + (width * 10) + "px;font-family:'楷體';\">" + result_html + "</div>";}public static string getEAN13(string s, int width, int height){int checkcode_input = -1;//輸入的校驗碼if (!Regex.IsMatch(s, @"^\d{12}$")){if (!Regex.IsMatch(s, @"^\d{13}$")){return "存在不允許的字符！";}else{checkcode_input = int.Parse(s[12].ToString());s = s.Substring(0, 12);}}int sum_even = 0;//偶數位之和int sum_odd = 0;//奇數位之和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;//校驗碼if (checkcode_input > 0 && checkcode_input != checkcode){return "輸入的校驗碼錯誤！";}s += checkcode;//變成13位// 000000000101左側42個01010右側35個校驗7個101000000000// 6 101左側6位 01010右側5位 校驗1位101000000000string result_bin = "";//二進制串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代碼string color = "";//顏色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:'楷體';\">" + 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";//011101case '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";//000101case '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";//中國case '7': return "ABABAB";case '8': return "ABABBA";case '9': return "ABBABA";default: return "Error!";}}#region Code patterns// in principle these rows should each have 6 elements// however, the last one -- STOP -- has 7. The cost of the// extra integers is trivial, and this lets the code flow// much more elegantlyprivate static readonly int[,] cPatterns = {{2,1,2,2,2,2,0,0}, // 0{2,2,2,1,2,2,0,0}, // 1{2,2,2,2,2,1,0,0}, // 2{1,2,1,2,2,3,0,0}, // 3{1,2,1,3,2,2,0,0}, // 4{1,3,1,2,2,2,0,0}, // 5{1,2,2,2,1,3,0,0}, // 6{1,2,2,3,1,2,0,0}, // 7{1,3,2,2,1,2,0,0}, // 8{2,2,1,2,1,3,0,0}, // 9{2,2,1,3,1,2,0,0}, // 10{2,3,1,2,1,2,0,0}, // 11{1,1,2,2,3,2,0,0}, // 12{1,2,2,1,3,2,0,0}, // 13{1,2,2,2,3,1,0,0}, // 14{1,1,3,2,2,2,0,0}, // 15{1,2,3,1,2,2,0,0}, // 16{1,2,3,2,2,1,0,0}, // 17{2,2,3,2,1,1,0,0}, // 18{2,2,1,1,3,2,0,0}, // 19{2,2,1,2,3,1,0,0}, // 20{2,1,3,2,1,2,0,0}, // 21{2,2,3,1,1,2,0,0}, // 22{3,1,2,1,3,1,0,0}, // 23{3,1,1,2,2,2,0,0}, // 24{3,2,1,1,2,2,0,0}, // 25{3,2,1,2,2,1,0,0}, // 26{3,1,2,2,1,2,0,0}, // 27{3,2,2,1,1,2,0,0}, // 28{3,2,2,2,1,1,0,0}, // 29{2,1,2,1,2,3,0,0}, // 30{2,1,2,3,2,1,0,0}, // 31{2,3,2,1,2,1,0,0}, // 32{1,1,1,3,2,3,0,0}, // 33{1,3,1,1,2,3,0,0}, // 34{1,3,1,3,2,1,0,0}, // 35{1,1,2,3,1,3,0,0}, // 36{1,3,2,1,1,3,0,0}, // 37{1,3,2,3,1,1,0,0}, // 38{2,1,1,3,1,3,0,0}, // 39{2,3,1,1,1,3,0,0}, // 40{2,3,1,3,1,1,0,0}, // 41{1,1,2,1,3,3,0,0}, // 42{1,1,2,3,3,1,0,0}, // 43{1,3,2,1,3,1,0,0}, // 44{1,1,3,1,2,3,0,0}, // 45{1,1,3,3,2,1,0,0}, // 46{1,3,3,1,2,1,0,0}, // 47{3,1,3,1,2,1,0,0}, // 48{2,1,1,3,3,1,0,0}, // 49{2,3,1,1,3,1,0,0}, // 50{2,1,3,1,1,3,0,0}, // 51{2,1,3,3,1,1,0,0}, // 52{2,1,3,1,3,1,0,0}, // 53{3,1,1,1,2,3,0,0}, // 54{3,1,1,3,2,1,0,0}, // 55{3,3,1,1,2,1,0,0}, // 56{3,1,2,1,1,3,0,0}, // 57{3,1,2,3,1,1,0,0}, // 58{3,3,2,1,1,1,0,0}, // 59{3,1,4,1,1,1,0,0}, // 60{2,2,1,4,1,1,0,0}, // 61{4,3,1,1,1,1,0,0}, // 62{1,1,1,2,2,4,0,0}, // 63{1,1,1,4,2,2,0,0}, // 64{1,2,1,1,2,4,0,0}, // 65{1,2,1,4,2,1,0,0}, // 66{1,4,1,1,2,2,0,0}, // 67{1,4,1,2,2,1,0,0}, // 68{1,1,2,2,1,4,0,0}, // 69{1,1,2,4,1,2,0,0}, // 70{1,2,2,1,1,4,0,0}, // 71{1,2,2,4,1,1,0,0}, // 72{1,4,2,1,1,2,0,0}, // 73{1,4,2,2,1,1,0,0}, // 74{2,4,1,2,1,1,0,0}, // 75{2,2,1,1,1,4,0,0}, // 76{4,1,3,1,1,1,0,0}, // 77{2,4,1,1,1,2,0,0}, // 78{1,3,4,1,1,1,0,0}, // 79{1,1,1,2,4,2,0,0}, // 80{1,2,1,1,4,2,0,0}, // 81{1,2,1,2,4,1,0,0}, // 82{1,1,4,2,1,2,0,0}, // 83{1,2,4,1,1,2,0,0}, // 84{1,2,4,2,1,1,0,0}, // 85{4,1,1,2,1,2,0,0}, // 86{4,2,1,1,1,2,0,0}, // 87{4,2,1,2,1,1,0,0}, // 88{2,1,2,1,4,1,0,0}, // 89{2,1,4,1,2,1,0,0}, // 90{4,1,2,1,2,1,0,0}, // 91{1,1,1,1,4,3,0,0}, // 92{1,1,1,3,4,1,0,0}, // 93{1,3,1,1,4,1,0,0}, // 94{1,1,4,1,1,3,0,0}, // 95{1,1,4,3,1,1,0,0}, // 96{4,1,1,1,1,3,0,0}, // 97{4,1,1,3,1,1,0,0}, // 98{1,1,3,1,4,1,0,0}, // 99{1,1,4,1,3,1,0,0}, // 100{3,1,1,1,4,1,0,0}, // 101{4,1,1,1,3,1,0,0}, // 102{2,1,1,4,1,2,0,0}, // 103{2,1,1,2,1,4,0,0}, // 104{2,1,1,2,3,2,0,0}, // 105{2,3,3,1,1,1,2,0} // 106};#endregion Code patterns#region 128條形碼private const int cQuietWidth = 10;/// <summary>/// Make an image of a Code128 barcode for a given string/// </summary>/// <param name="InputData">Message to be encoded</param>/// <param name="BarWeight">Base thickness for bar width (1 or 2 works well)</param>/// <param name="AddQuietZone">Add required horiz margins (use if output is tight)</param>/// <returns>An Image of the Code128 barcode representing the message</returns>public static Image MakeBarcodeImage(string InputData, int BarWeight, bool AddQuietZone){// get the Code128 codes to represent the messageCode128Content content = new Code128Content(InputData);int[] codes = content.Codes;int width, height;width = ((codes.Length - 3) * 11 + 35) * BarWeight;height = Convert.ToInt32(System.Math.Ceiling(Convert.ToSingle(width) * .15F));if (AddQuietZone){width += 20; // on both sides}//draw the codetext bottom//height += 30;height += 10;// get surface to draw onImage myimg = new System.Drawing.Bitmap(width, height);using (Graphics gr = Graphics.FromImage(myimg)){// set to white so we don't have to fill the spaces with whitegr.FillRectangle(System.Drawing.Brushes.White, 0, 0, width, height);// skip quiet zoneint cursor = AddQuietZone ? 10 : 0;for (int codeidx = 0; codeidx < codes.Length; codeidx++){int code = codes[codeidx];// take the bars two at a time: a black and a whitefor (int bar = 0; bar < 8; bar += 2){int barwidth = cPatterns[code, bar] * BarWeight;int spcwidth = cPatterns[code, bar + 1] * BarWeight;// if width is zero, don't try to draw itif (barwidth > 0){//gr.FillRectangle(System.Drawing.Brushes.Black, cursor, 5, barwidth, height - 20);gr.FillRectangle(System.Drawing.Brushes.Black, cursor, 0, barwidth, height);}// note that we never need to draw the space, since we // initialized the graphics to all white// advance cursor beyond this paircursor += (barwidth + spcwidth);}}//t條形碼下的訂單字體gr.DrawString(InputData, new Font("Arial", 9, FontStyle.Regular), Brushes.Black, new PointF(120, height+10));}return myimg;}public static Image MakeBarcodeImageAndFont(string InputData, int BarWeight, bool AddQuietZone,bool font){// get the Code128 codes to represent the messageCode128Content content = new Code128Content(InputData);int[] codes = content.Codes;int width, height;width = ((codes.Length - 3) * 11 + 35) * BarWeight;height = Convert.ToInt32(System.Math.Ceiling(Convert.ToSingle(width) * .15F));if (AddQuietZone){width += 20; // on both sides}//draw the codetext bottom//height += 30;height += 10;// get surface to draw onImage myimg =null;if (font){myimg = new System.Drawing.Bitmap(width, height+20);}elsemyimg = new System.Drawing.Bitmap(width, height);using (Graphics gr = Graphics.FromImage(myimg)){// set to white so we don't have to fill the spaces with whiteif(font)gr.FillRectangle(System.Drawing.Brushes.White, 0, 0, width, height+20);elsegr.FillRectangle(System.Drawing.Brushes.White, 0, 0, width, height);// skip quiet zoneint cursor = AddQuietZone ? 10 : 0;for (int codeidx = 0; codeidx < codes.Length; codeidx++){int code = codes[codeidx];// take the bars two at a time: a black and a whitefor (int bar = 0; bar < 8; bar += 2){int barwidth = cPatterns[code, bar] * BarWeight;int spcwidth = cPatterns[code, bar + 1] * BarWeight;// if width is zero, don't try to draw itif (barwidth > 0){//gr.FillRectangle(System.Drawing.Brushes.Black, cursor, 5, barwidth, height - 20);gr.FillRectangle(System.Drawing.Brushes.Black, cursor, 0, barwidth, height);}// note that we never need to draw the space, since we // initialized the graphics to all white// advance cursor beyond this paircursor += (barwidth + spcwidth);}}//t條形碼下的訂單字體if(font)gr.DrawString(InputData, new Font("Arial", 12, FontStyle.Bold), Brushes.Black, new PointF(50, height));}return myimg;}#endregion}#region Code128Contentpublic enum CodeSet{CodeA, CodeB,CodeC // supported}//Represent the set of code values to be output into barcode formpublic class Code128Content{private int[] mCodeList;/// <summary>/// Create content based on a string of ASCII data/// </summary>/// <param name="AsciiData">the string that should be represented</param>public Code128Content(string AsciiData){mCodeList = StringToCode128(AsciiData);}// Provides the Code128 code values representing the object's stringpublic int[] Codes{get{return mCodeList;}}private int[] StringToCode128(string AsciiData){//byte[] asciiBytes = Encoding.ASCII.GetBytes(AsciiData);//char[] chs=AsciiData.ToCharArray();// 判斷起始編碼CodeSet currcs = GetCharacterSet(AsciiData,0);// 設置起始編碼System.Collections.ArrayList codes = new System.Collections.ArrayList(AsciiData.Length + 3); // assume no codeset changes, account for start, checksum, and stopcodes.Add(Code128Code.StartCodeForCodeSet(currcs));// add the codes for each character in the stringfor (int i = 0; i < AsciiData.Length; i++){codes.AddRange(Code128Code.CodesForChar(AsciiData, ref i, ref currcs));}// calculate the check digitint checksum = (int)(codes[0]);for (int i = 1; i < codes.Count; i++){checksum += i * (int)(codes[i]);}codes.Add(checksum % 103);codes.Add(Code128Code.StopCode());int[] result = codes.ToArray(typeof(int)) as int[];return result;}//判斷起始位置private CodeSet GetCharacterSet(string data,int StartIndex){CodeSet returnSet = CodeSet.CodeB;if (Regex.IsMatch(data.Substring(StartIndex), @"^\d{4,}")){returnSet = CodeSet.CodeC;}else{returnSet = CodeSet.CodeB;//CodeB 包含大小寫字母 }return returnSet;} }public static class Code128Code{#region Constants//private const int cSHIFT = 98;private const int cCODEA = 101;private const int cCODEB = 100;private const int cCODEC = 99;private const int cSTARTA = 103;private const int cSTARTB = 104;private const int cSTARTC = 105;private const int cSTOP = 106;#endregionpublic static int[] CodesForChar(string StrData, ref int i,ref CodeSet CurrCodeSet){int[] result; // 因為int數組 那么00就好轉換為0，這個需要測試int asciiBytes;//------------------------------------------------------------當前code為codeB時-------------------------------------if (CurrCodeSet == CodeSet.CodeB){if (i + 3 < StrData.Length){//判斷后四位是否為數字 if (Regex.IsMatch(StrData.Substring(i), @"^\d{4,}")){CurrCodeSet = CodeSet.CodeC;result = new int[3];result[0] = cCODEC;result[1] = Convert.ToInt32(StrData.Substring(i, 2));result[2] = Convert.ToInt32(StrData.Substring(i + 2, 2));i = i + 3;}else{result = new int[1];asciiBytes = Encoding.ASCII.GetBytes(StrData)[i];result[0] = CodeValueForChar(asciiBytes);}}else{result = new int[1];asciiBytes = Encoding.ASCII.GetBytes(StrData)[i];result[0] = CodeValueForChar(asciiBytes);}}//-----------------------------------------------------------------當前codeset為codec時--------------------------------------else // if (CurrCodeSet == CodeSet.CodeC){//判斷后兩位是否為數字if (i + 1 < StrData.Length){if (Regex.IsMatch(StrData.Substring(i), @"^\d{2,}")){result = new int[1];result[0] = Convert.ToInt32(StrData.Substring(i, 2));i = i + 1;}else{result = new int[2];CurrCodeSet = CodeSet.CodeB;asciiBytes = Encoding.ASCII.GetBytes(StrData)[i];result[0] = cCODEB;result[1] = CodeValueForChar(asciiBytes);}}else{result = new int[2];CurrCodeSet = CodeSet.CodeB;asciiBytes = Encoding.ASCII.GetBytes(StrData)[i];result[0] = cCODEB;result[1] = CodeValueForChar(asciiBytes);}}return result;}//返回code128編碼表的ID值public static int CodeValueForChar(int CharAscii){return (CharAscii >= 32) ? CharAscii - 32 : CharAscii + 64;}//<returns>The code128 code to start a barcode in that codeset</returns>public static int StartCodeForCodeSet(CodeSet cs){int Result = cSTARTB;if (cs == CodeSet.CodeB){Result = cSTARTB;}if (cs == CodeSet.CodeC){Result = cSTARTC;}if (cs == CodeSet.CodeA){Result = cSTARTA;}return Result;}// <returns>the stop code</returns>public static int StopCode(){return cSTOP;}}#endregion
//BarCode.aspx頁面調用方法
protected void Page_Load(object sender, EventArgs e){string num = Request["num"].ToString();System.IO.MemoryStream ms = new System.IO.MemoryStream();System.Drawing.Image myimg = null;if (Request["font"] == null){myimg = BarCodeHelper.MakeBarcodeImage(num, 2, true);}else{myimg = BarCodeHelper.MakeBarcodeImageAndFont(num, 2, true, true);}if (Request["D"] != null){switch (Request["D"].ToString()){case "Z":myimg.RotateFlip(RotateFlipType.Rotate90FlipNone);break;case "F":myimg.RotateFlip(RotateFlipType.Rotate270FlipNone);break;default:myimg.RotateFlip(RotateFlipType.Rotate90FlipNone);break;}}myimg.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);Response.ClearContent();Response.ContentType = "image/Gif";Response.BinaryWrite(ms.ToArray());Response.End();}
</pre><pre code_snippet_id="1853921" snippet_file_name="blog_20160827_5_6377432" name="code" class="csharp">//其他頁面可以通過<img src="">調用生成條形碼
<img alt="" style="-webkit-user-select: none" src="http://localhost:8088/Manage/BarCode.aspx?num=20160715002" />
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