This article shares the specific code of C# barcode generation for your reference. The specific content is as follows
using ;
using ;
namespace
{
public class BarCodeToHTML
{
public static string get39(string s, int width, int height)
{
Hashtable ht = new Hashtable();
#region 39 code 12 bits ('A', "110101001011");
('B', "101101001011");
('C', "110110100101");
('D', "101011001011");
('E', "110101100101");
('F', "101101100101");
('G', "101010011011");
('H', "110101001101");
('I', "101101001101");
('J', "101011001101");
('K', "110101010011");
('L', "101101010011");
('M', "110110101001");
('N', "101011010011");
('O', "110101101001");
('P', "101101101001");
('Q', "101010110011");
('R', "110101011001");
('S', "101101011001");
('T', "101011011001");
('U', "110010101011");
('V', "100110101011");
('W', "110011010101");
('X', "100101101011");
('Y', "110010110101");
('Z', "100110110101");
('0', "101001101101");
('1', "110100101011");
('2', "101100101011");
('3', "110110010101");
('4', "101001101011");
('5', "110100110101");
('6', "101100110101");
('7', "101001011011");
('8', "110100101101");
('9', "101100101101");
('+', "100101001001");
('-', "100101011011");
('*', "100101101101");
('/', "100100101001");
('%', "101001001001");
('$', "100100100101");
('.', "110010101101");
(' ', "100110101101");
#endregion
#region 39 digits 9 digits //('0', "000110100");
//('1', "100100001");
//('2', "001100001");
//('3', "101100000");
//('4', "000110001");
//('5', "100110000");
//('6', "001110000");
//('7', "000100101");
//('8', "100100100");
//('9', "001100100");
//('A', "100001001");
//('B', "001001001");
//('C', "101001000");
//('D', "000011001");
//('E', "100011000");
//('F', "001011000");
//('G', "000001101");
//('H', "100001100");
//('I', "001001100");
//('J', "000011100");
//('K', "100000011");
//('L', "001000011");
//('M', "101000010");
//('N', "000010011");
//('O', "100010010");
//('P', "001010010");
//('Q', "000000111");
//('R', "100000110");
//('S', "001000110");
//('T', "000010110");
//('U', "110000001");
//('V', "011000001");
//('W', "111000000");
//('X', "010010001");
//('Y', "110010000");
//('Z', "011010000");
//('-', "010000101");
//('.', "110000100");
//(' ', "011000100");
//('*', "010010100");
//('$', "010101000");
//('/', "010100010");
//('+', "010001010");
//('%', "000101010");
#endregion
s = "*" + () + "*";
string result_bin = "";//Binary string
try
{
foreach (char ch in s)
{
result_bin += ht[ch].ToString();
result_bin += "0";//Space, equal to the width of a unit of line }
}
catch { return "There are characters that are not allowed!"; }
string result_html = ""; //HTML Code string color = ""; //color 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:#FFFFF;padding:5px;font-size:" + (width * 10) + "px;font-family:'KaiTi';\">" + result_html + "</div>"; }
public static string getEAN13(string s, int width, int height)
{
int checkcode_input = -1;//Input verification code if (!(s, @"^\d{12}$"))
{
if (!(s, @"^\d{13}$"))
{
return "There are characters that are not allowed!";
}
else
{
checkcode_input = (s[12].ToString());
s = (0, 12);
}
}
int sum_even = 0;//Sum of even digits int sum_odd = 0; //Sum of odd numbers
for (int i = 0; i < 12; i++)
{
if (i % 2 == 0)
{
sum_odd += (s[i].ToString());
}
else
{
sum_even += (s[i].ToString());
}
}
int checkcode = (10 - (sum_even * 3 + sum_odd) % 10) % 10;//Check code
if (checkcode_input > 0 && checkcode_input != checkcode)
{
return "The check code entered is wrong!";
}
s += checkcode;//Become 13
// 0000000000101 42 left 01010 right 35 checks 7 1010000000000 // 6 101 6 bits on the left 01010 5 bits on the right 1 bit 101000000000
string result_bin = "";//Binary string 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 Code string color = ""; //color 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:#FFFFF;padding:0px;font-size:" + (width * 10) + "px;font-family:'KaiTi';\">" + 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";//China case '7': return "ABABAB";
case '8': return "ABABBA";
case '9': return "ABBABA";
default: return "Error!";
}
}
}
}
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