CodeToHTML 打印条码生成

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2024-07-03 01:05:00 229人阅读

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//=====================================================================================

using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Text.RegularExpressions;

using System.Threading.Tasks;

namespace DotNet.Utilities

{

/// <summary>

/// 生成条码返回html

/// </summary>

public class BarCodeToHTML

{

public static string Get39(string s, int width, int height)

{

Hashtable ht = new Hashtable();

#region 39码 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码 9位

//ht.Add(‘0‘, "000110100");

//ht.Add(‘1‘, "100100001");

//ht.Add(‘2‘, "001100001");

//ht.Add(‘3‘, "101100000");

//ht.Add(‘4‘, "000110001");

//ht.Add(‘5‘, "100110000");

//ht.Add(‘6‘, "001110000");

//ht.Add(‘7‘, "000100101");

//ht.Add(‘8‘, "100100100");

//ht.Add(‘9‘, "001100100");

//ht.Add(‘A‘, "100001001");

//ht.Add(‘B‘, "001001001");

//ht.Add(‘C‘, "101001000");

//ht.Add(‘D‘, "000011001");

//ht.Add(‘E‘, "100011000");

//ht.Add(‘F‘, "001011000");

//ht.Add(‘G‘, "000001101");

//ht.Add(‘H‘, "100001100");

//ht.Add(‘I‘, "001001100");

//ht.Add(‘J‘, "000011100");

//ht.Add(‘K‘, "100000011");

//ht.Add(‘L‘, "001000011");

//ht.Add(‘M‘, "101000010");

//ht.Add(‘N‘, "000010011");

//ht.Add(‘O‘, "100010010");

//ht.Add(‘P‘, "001010010");

//ht.Add(‘Q‘, "000000111");

//ht.Add(‘R‘, "100000110");

//ht.Add(‘S‘, "001000110");

//ht.Add(‘T‘, "000010110");

//ht.Add(‘U‘, "110000001");

//ht.Add(‘V‘, "011000001");

//ht.Add(‘W‘, "111000000");

//ht.Add(‘X‘, "010010001");

//ht.Add(‘Y‘, "110010000");

//ht.Add(‘Z‘, "011010000");

//ht.Add(‘-‘, "010000101");

//ht.Add(‘.‘, "110000100");

//ht.Add(‘ ‘, "011000100");

//ht.Add(‘*‘, "010010100");

//ht.Add(‘$‘, "010101000");

//ht.Add(‘/‘, "010100010");

//ht.Add(‘+‘, "010001010");

//ht.Add(‘%‘, "000101010");

#endregion

s = "*" + s.ToUpper() + "*";

string result_bin = "";//二进制串

try

{

foreach (char ch in s)

{

result_bin += ht[ch].ToString();

result_bin += "0";//间隔，与一个单位的线条宽度相等

}

catch { return "存在不允许的字符！"; }

string result_html = ""; //HTML代码

string color = ""; //颜色

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:‘楷体‘;\">" + result_html + "</div>";

}

public static string getEAN13(string s, int width, int height)

{

int checkcode_input = -1;//输入的校验码

if (!Regex.IsMatch(s, @"^\d{12}$"))

{

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:" + 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>";