C#自定义用于生成条形码的类
发布时间：2020-12-15 17:58:06 所属栏目：百科 来源：网络整理
导读：今天PHP站长网 52php.cn把收集自互联网的代码分享给大家，仅供参考。 using System.Collections;using System.Text.RegularExpressions; namespace DotNet.Utilities{ public class BarCodeToHTML { public static string
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以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家，仅供参考 using System.Collections;
using System.Text.RegularExpressions;
namespace DotNet.Utilities
{
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 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>";
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!";
}
}
}
}
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