CodeToHTML 打印条码生成
2020-11-28 15:29
标签：style blog class code ext color
//=====================================================================================// All Rights Reserved , Copyright ? Learun 2013//=====================================================================================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
{ ///
/// 生成条码返回html
///
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 += "+ width + "px;height:"
+ height + "px;float:left;background:"
+ color + ";\">
;
}
result_html += "";
int
len = ht[‘*‘].ToString().Length;
foreach
(char
c in
s)
{
result_html += "+ (width * (len + 1)) + "px;float:left;color:#000000;text-align:center;\">"
+ c + "
;
}
result_html += "";
return
"+ (width * 10) + "px;font-family:‘楷体‘;\">"
+ result_html + "
;
}
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
{
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
{
result_bin += ean13(s[i], type[i - 1]);
}
result_bin += "01010";
for
(int
i = 7; 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 += "+ width + "px;height:"
+ height + "px;float:left;background:"
+ color + ";\">
;
}
result_html += "";
result_html += "+ (width * 9) + "px;text-align:center;\">"
+ s[0] + "
;
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#000000;\">
;
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#FFFFFF;\">
;
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#000000;\">
;
for
(int
i = 1; i
{
result_html += "+ (width * 7) + "px;color:#000000;text-align:center;\">"
+ s[i] + "
;
}
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#FFFFFF;\">
;
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#000000;\">
;
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#FFFFFF;\">
;
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#000000;\">
;
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#FFFFFF;\">
;
for
(int
i = 7; i
{
result_html += "+ (width * 7) + "px;color:#000000;text-align:center;\">"
+ s[i] + "
;
}
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#000000;\">
;
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#FFFFFF;\">
;
result_html += "+ width + "px;height:"
+ height_bottom + "px;background:#000000;\">
;
result_html += "+ (width * 9) + "px;\">
;
result_html += "";
return
"+ (width * 10) + "px;font-family:‘楷体‘;\">"
+ result_html + "
;
}
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
&qu
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