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Jimmey-Jiang committed Oct 10, 2017
1 parent 03bafcf commit 7037725
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307 changes: 307 additions & 0 deletions ASP.NET类库/BarCodeToHTML.cs
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using System.Collections;
using System.Text.RegularExpressions;

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>";
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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