感谢博主：转自：http://xoyozo.eyuyao.com/blog/barcode.html
public partial class ReceivablesFormView : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { string code = Get("6901028045575", 2, 60); this.barcode.InnerHtml = code; } /// <summary> /// 获取 EAN-13 条形码（HTML 版） /// </summary> /// <param name="s">欲编码的字符串</param> /// <param name="width">单个条形宽（px）</param> /// <param name="height">条形高（px）</param> /// <returns></returns> public static string Get(string s, int width, int height) { int checkcode_input = -1;//输入的校验码 if (!Regex.IsMatch(s, @"^d{12}$")) { if (s.Length != 13) { return "字符串长度不正确！"; } else if (!Regex.IsMatch(s, @"^d{13}$")) { 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 + "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 * 9) + "px;text-align:center;">" + s[0] + "</div>"; result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#000000;"></div>"; result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#FFFFFF;"></div>"; result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#000000;"></div>"; for (int i = 1; i < 7; i++) { result_html += "<div style="float:left;" + (width * 7) + "px;color:#000000;text-align:center;">" + s[i] + "</div>"; } result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#FFFFFF;"></div>"; result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#000000;"></div>"; result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#FFFFFF;"></div>"; result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#000000;"></div>"; result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#FFFFFF;"></div>"; for (int i = 7; i < 13; i++) { result_html += "<div style="float:left;" + (width * 7) + "px;color:#000000;text-align:center;">" + s[i] + "</div>"; } result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#000000;"></div>"; result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#FFFFFF;"></div>"; result_html += "<div style="float:left;" + width + "px;height:" + height_bottom + "px;background:#000000;"></div>"; result_html += "<div style="float:left;color:#000000;" + (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!"; } } }