C#实现用于生成条形码的类
本文实例讲述了C#实现用于生成条形码的类。分享给大家供大家参考。具体如下：
这个C#类可以用来生成39码12位标准条形码
usingSystem.Collections;
usingSystem.Text.RegularExpressions;
namespaceDotNet.Utilities
{
publicclassBarCodeToHTML
{
publicstaticstringget39(strings,intwidth,intheight)
{
Hashtableht=newHashtable();
#region39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('$',"100100100101");
ht.Add('.',"110010101101");
ht.Add('',"100110101101");
#endregion
#region39码9位
//ht.Add('0',"000110100");
//ht.Add('1',"100100001");
//ht.Add('2',"001100001");
//ht.Add('3',"101100000");
//ht.Add('4',"000110001");
//ht.Add('5',"100110000");
//ht.Add('6',"001110000");
//ht.Add('7',"000100101");
//ht.Add('8',"100100100");
//ht.Add('9',"001100100");
//ht.Add('A',"100001001");
//ht.Add('B',"001001001");
//ht.Add('C',"101001000");
//ht.Add('D',"000011001");
//ht.Add('E',"100011000");
//ht.Add('F',"001011000");
//ht.Add('G',"000001101");
//ht.Add('H',"100001100");
//ht.Add('I',"001001100");
//ht.Add('J',"000011100");
//ht.Add('K',"100000011");
//ht.Add('L',"001000011");
//ht.Add('M',"101000010");
//ht.Add('N',"000010011");
//ht.Add('O',"100010010");
//ht.Add('P',"001010010");
//ht.Add('Q',"000000111");
//ht.Add('R',"100000110");
//ht.Add('S',"001000110");
//ht.Add('T',"000010110");
//ht.Add('U',"110000001");
//ht.Add('V',"011000001");
//ht.Add('W',"111000000");
//ht.Add('X',"010010001");
//ht.Add('Y',"110010000");
//ht.Add('Z',"011010000");
//ht.Add('-',"010000101");
//ht.Add('.',"110000100");
//ht.Add('',"011000100");
//ht.Add('*',"010010100");
//ht.Add('$',"010101000");
//ht.Add('/',"010100010");
//ht.Add('+',"010001010");
//ht.Add('%',"000101010");
#endregion
s="*"+s.ToUpper()+"*";
stringresult_bin="";//二进制串
try
{
foreach(charchins)
{
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！";}
stringresult_html="";//HTML代码
stringcolor="";//颜色
foreach(charcinresult_bin)
{
color=c=='0'?"#FFFFFF":"#000000";
result_html+="<divstyle=\"width:"+width+"px;height:"+height+"px;float:left;background:"+color+";\"></div>";
}
result_html+="<divstyle=\"clear:both\"></div>";
intlen=ht['*'].ToString().Length;
foreach(charcins)
{
result_html+="<divstyle=\"width:"+(width*(len+1))+"px;float:left;color:#000000;text-align:center;\">"+c+"</div>";
}
result_html+="<divstyle=\"clear:both\"></div>";
return"<divstyle=\"background:#FFFFFF;padding:5px;font-size:"+(width*10)+"px;font-family:'楷体';\">"+result_html+"</div>";
}
publicstaticstringgetEAN13(strings,intwidth,intheight)
{
intcheckcode_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);
}
}
intsum_even=0;//偶数位之和
intsum_odd=0;//奇数位之和
for(inti=0;i<12;i++)
{
if(i%2==0)
{
sum_odd+=int.Parse(s[i].ToString());
}
else
{
sum_even+=int.Parse(s[i].ToString());
}
}
intcheckcode=(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
//6101左侧6位01010右侧5位校验1位101000000000
stringresult_bin="";//二进制串
result_bin+="000000000101";
stringtype=ean13type(s[0]);
for(inti=1;i<7;i++)
{
result_bin+=ean13(s[i],type[i-1]);
}
result_bin+="01010";
for(inti=7;i<13;i++)
{
result_bin+=ean13(s[i],'C');
}
result_bin+="101000000000";
stringresult_html="";//HTML代码
stringcolor="";//颜色
intheight_bottom=width*5;
foreach(charcinresult_bin)
{
color=c=='0'?"#FFFFFF":"#000000";
result_html+="<divstyle=\"width:"+width+"px;height:"+height+"px;float:left;background:"+color+";\"></div>";
}
result_html+="<divstyle=\"clear:both\"></div>";
result_html+="<divstyle=\"float:left;color:#000000;width:"+(width*9)+"px;text-align:center;\">"+s[0]+"</div>";
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#000000;\"></div>";
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#FFFFFF;\"></div>";
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#000000;\"></div>";
for(inti=1;i<7;i++)
{
result_html+="<divstyle=\"float:left;width:"+(width*7)+"px;color:#000000;text-align:center;\">"+s[i]+"</div>";
}
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#FFFFFF;\"></div>";
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#000000;\"></div>";
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#FFFFFF;\"></div>";
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#000000;\"></div>";
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#FFFFFF;\"></div>";
for(inti=7;i<13;i++)
{
result_html+="<divstyle=\"float:left;width:"+(width*7)+"px;color:#000000;text-align:center;\">"+s[i]+"</div>";
}
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#000000;\"></div>";
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#FFFFFF;\"></div>";
result_html+="<divstyle=\"float:left;width:"+width+"px;height:"+height_bottom+"px;background:#000000;\"></div>";
result_html+="<divstyle=\"float:left;color:#000000;width:"+(width*9)+"px;\"></div>";
result_html+="<divstyle=\"clear:both\"></div>";
return"<divstyle=\"background:#FFFFFF;padding:0px;font-size:"+(width*10)+"px;font-family:'楷体';\">"+result_html+"</div>";
}
privatestaticstringean13(charc,chartype)
{
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!";
}
}
privatestaticstringean13type(charc)
{
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!";
}
}
}
}
希望本文所述对大家的C#程序设计有所帮助。