C#生成Code128码
发布时间：2020-12-15 17:52:41 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; using System.Collections.Generic; using System.Data; using System.Drawing; namespace Code { class BarCode { public class Code1
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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;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
namespace Code
{
class BarCode
{
public class Code128
{
private DataTable m_Code128 = new DataTable();
private uint m_Height = 40;
/// <summary>
/// 高度
/// </summary>
public uint Height { get { return m_Height; } set { m_Height = value; } }
private Font m_ValueFont = null;
/// <summary>
/// 是否显示可见号码 如果为NULL不显示号码
/// </summary>
public Font ValueFont { get { return m_ValueFont; } set { m_ValueFont = value; } }
private byte m_Magnify = 0;
/// <summary>
/// 放大倍数
/// </summary>
public byte Magnify { get { return m_Magnify; } set { m_Magnify = value; } }
/// <summary>
/// 条码类别
/// </summary>
public enum Encode
{
Code128A,Code128B,Code128C,EAN128
}
public Code128()
{
m_Code128.Columns.Add("ID");
m_Code128.Columns.Add("Code128A");
m_Code128.Columns.Add("Code128B");
m_Code128.Columns.Add("Code128C");
m_Code128.Columns.Add("BandCode");
m_Code128.CaseSensitive = true;
#region 数据表
m_Code128.Rows.Add("0"," ","00","212222");
m_Code128.Rows.Add("1","!","01","222122");
m_Code128.Rows.Add("2",""","02","222221");
m_Code128.Rows.Add("3","#","03","121223");
m_Code128.Rows.Add("4","$","04","121322");
m_Code128.Rows.Add("5","%","05","131222");
m_Code128.Rows.Add("6","&","06","122213");
m_Code128.Rows.Add("7","'","07","122312");
m_Code128.Rows.Add("8","(","08","132212");
m_Code128.Rows.Add("9",")","09","221213");
m_Code128.Rows.Add("10","*","10","221312");
m_Code128.Rows.Add("11","+","11","231212");
m_Code128.Rows.Add("12",","12","112232");
m_Code128.Rows.Add("13","-","13","122132");
m_Code128.Rows.Add("14",".","14","122231");
m_Code128.Rows.Add("15","/","15","113222");
m_Code128.Rows.Add("16","0","16","123122");
m_Code128.Rows.Add("17","1","17","123221");
m_Code128.Rows.Add("18","2","18","223211");
m_Code128.Rows.Add("19","3","19","221132");
m_Code128.Rows.Add("20","4","20","221231");
m_Code128.Rows.Add("21","5","21","213212");
m_Code128.Rows.Add("22","6","22","223112");
m_Code128.Rows.Add("23","7","23","312131");
m_Code128.Rows.Add("24","8","24","311222");
m_Code128.Rows.Add("25","9","25","321122");
m_Code128.Rows.Add("26",":","26","321221");
m_Code128.Rows.Add("27",";","27","312212");
m_Code128.Rows.Add("28","<","28","322112");
m_Code128.Rows.Add("29","=","29","322211");
m_Code128.Rows.Add("30",">","30","212123");
m_Code128.Rows.Add("31","?","31","212321");
m_Code128.Rows.Add("32","@","32","232121");
m_Code128.Rows.Add("33","A","33","111323");
m_Code128.Rows.Add("34","B","34","131123");
m_Code128.Rows.Add("35","C","35","131321");
m_Code128.Rows.Add("36","D","36","112313");
m_Code128.Rows.Add("37","E","37","132113");
m_Code128.Rows.Add("38","F","38","132311");
m_Code128.Rows.Add("39","G","39","211313");
m_Code128.Rows.Add("40","H","40","231113");
m_Code128.Rows.Add("41","I","41","231311");
m_Code128.Rows.Add("42","J","42","112133");
m_Code128.Rows.Add("43","K","43","112331");
m_Code128.Rows.Add("44","L","44","132131");
m_Code128.Rows.Add("45","M","45","113123");
m_Code128.Rows.Add("46","N","46","113321");
m_Code128.Rows.Add("47","O","47","133121");
m_Code128.Rows.Add("48","P","48","313121");
m_Code128.Rows.Add("49","Q","49","211331");
m_Code128.Rows.Add("50","R","50","231131");
m_Code128.Rows.Add("51","S","51","213113");
m_Code128.Rows.Add("52","T","52","213311");
m_Code128.Rows.Add("53","U","53","213131");
m_Code128.Rows.Add("54","V","54","311123");
m_Code128.Rows.Add("55","W","55","311321");
m_Code128.Rows.Add("56","X","56","331121");
m_Code128.Rows.Add("57","Y","57","312113");
m_Code128.Rows.Add("58","Z","58","312311");
m_Code128.Rows.Add("59","[","59","332111");
m_Code128.Rows.Add("60","","60","314111");
m_Code128.Rows.Add("61","]","61","221411");
m_Code128.Rows.Add("62","^","62","431111");
m_Code128.Rows.Add("63","_","63","111224");
m_Code128.Rows.Add("64","NUL","`","64","111422");
m_Code128.Rows.Add("65","SOH","a","65","121124");
m_Code128.Rows.Add("66","STX","b","66","121421");
m_Code128.Rows.Add("67","ETX","c","67","141122");
m_Code128.Rows.Add("68","EOT","d","68","141221");
m_Code128.Rows.Add("69","ENQ","e","69","112214");
m_Code128.Rows.Add("70","ACK","f","70","112412");
m_Code128.Rows.Add("71","BEL","g","71","122114");
m_Code128.Rows.Add("72","BS","h","72","122411");
m_Code128.Rows.Add("73","HT","i","73","142112");
m_Code128.Rows.Add("74","LF","j","74","142211");
m_Code128.Rows.Add("75","VT","k","75","241211");
m_Code128.Rows.Add("76","FF","76","221114");
m_Code128.Rows.Add("77","CR","m","77","413111");
m_Code128.Rows.Add("78","SO","n","78","241112");
m_Code128.Rows.Add("79","SI","o","79","134111");
m_Code128.Rows.Add("80","DLE","p","80","111242");
m_Code128.Rows.Add("81","DC1","q","81","121142");
m_Code128.Rows.Add("82","DC2","r","82","121241");
m_Code128.Rows.Add("83","DC3","s","83","114212");
m_Code128.Rows.Add("84","DC4","t","84","124112");
m_Code128.Rows.Add("85","NAK","u","85","124211");
m_Code128.Rows.Add("86","SYN","v","86","411212");
m_Code128.Rows.Add("87","ETB","w","87","421112");
m_Code128.Rows.Add("88","CAN","x","88","421211");
m_Code128.Rows.Add("89","EM","y","89","212141");
m_Code128.Rows.Add("90","SUB","z","90","214121");
m_Code128.Rows.Add("91","ESC","{","91","412121");
m_Code128.Rows.Add("92","FS","|","92","111143");
m_Code128.Rows.Add("93","GS","}","93","111341");
m_Code128.Rows.Add("94","RS","~","94","131141");
m_Code128.Rows.Add("95","US","DEL","95","114113");
m_Code128.Rows.Add("96","FNC3","96","114311");
m_Code128.Rows.Add("97","FNC2","97","411113");
m_Code128.Rows.Add("98","SHIFT","98","411311");
m_Code128.Rows.Add("99","CODEC","99","113141");
m_Code128.Rows.Add("100","CODEB","FNC4","114131");
m_Code128.Rows.Add("101","CODEA","311141");
m_Code128.Rows.Add("102","FNC1","411131");
m_Code128.Rows.Add("103","StartA","211412");
m_Code128.Rows.Add("104","StartB","211214");
m_Code128.Rows.Add("105","StartC","211232");
m_Code128.Rows.Add("106","Stop","2331112");
#endregion
}
/// <summary>
/// 获取128图形
/// </summary>
/// <param name="p_Text">文字</param>
/// <param name="p_Code">编码</param>
/// <returns>图形</returns>
public Bitmap GetCodeImage(string p_Text,Encode p_Code)
{
string _ViewText = p_Text;
string _Text = "";
IList<int> _TextNumb = new List<int>();
int _Examine = 0; //首位
switch (p_Code)
{
case Encode.Code128C:
_Examine = 105;
if (!((p_Text.Length & 1) == 0)) throw new Exception("128C长度必须是偶数");
while (p_Text.Length != 0)
{
int _Temp = 0;
try
{
int _CodeNumb128 = Int32.Parse(p_Text.Substring(0,2));
}
catch
{
throw new Exception("128C必须是数字！");
}
_Text += GetValue(p_Code,p_Text.Substring(0,2),ref _Temp);
_TextNumb.Add(_Temp);
p_Text = p_Text.Remove(0,2);
}
break;
case Encode.EAN128:
_Examine = 105;
if (!((p_Text.Length & 1) == 0)) throw new Exception("EAN128长度必须是偶数");
_TextNumb.Add(102);
_Text += "411131";
while (p_Text.Length != 0)
{
int _Temp = 0;
try
{
int _CodeNumb128 = Int32.Parse(p_Text.Substring(0,2));
}
catch
{
throw new Exception("128C必须是数字！");
}
_Text += GetValue(Encode.Code128C,2);
}
break;
default:
if (p_Code == Encode.Code128A)
{
_Examine = 103;
}
else
{
_Examine = 104;
}
while (p_Text.Length != 0)
{
int _Temp = 0;
string _ValueCode = GetValue(p_Code,1),ref _Temp);
if (_ValueCode.Length == 0) throw new Exception("无效的字符集!" + p_Text.Substring(0,1).ToString());
_Text += _ValueCode;
_TextNumb.Add(_Temp);
p_Text = p_Text.Remove(0,1);
}
break;
}
if (_TextNumb.Count == 0) throw new Exception("错误的编码,无数据");
_Text = _Text.Insert(0,GetValue(_Examine)); //获取开始位
for (int i = 0; i != _TextNumb.Count; i++)
{
_Examine += _TextNumb[i] * (i + 1);
}
_Examine = _Examine % 103; //获得严效位
_Text += GetValue(_Examine); //获取严效位
_Text += "2331112"; //结束位
Bitmap _CodeImage = GetImage(_Text);
GetViewText(_CodeImage,_ViewText);
return _CodeImage;
}
/// <summary>
/// 获取目标对应的数据
/// </summary>
/// <param name="p_Code">编码</param>
/// <param name="p_Value">数值 A b 30</param>
/// <param name="p_SetID">返回编号</param>
/// <returns>编码</returns>
private string GetValue(Encode p_Code,string p_Value,ref int p_SetID)
{
if (m_Code128 == null) return "";
DataRow[] _Row = m_Code128.Select(p_Code.ToString() + "='" + p_Value + "'");
if (_Row.Length != 1) throw new Exception("错误的编码" + p_Value.ToString());
p_SetID = Int32.Parse(_Row[0]["ID"].ToString());
return _Row[0]["BandCode"].ToString();
}
/// <summary>
/// 根据编号获得条纹
/// </summary>
/// <param name="p_CodeId"></param>
/// <returns></returns>
private string GetValue(int p_CodeId)
{
DataRow[] _Row = m_Code128.Select("ID='" + p_CodeId.ToString() + "'");
if (_Row.Length != 1) throw new Exception("验效位的编码错误" + p_CodeId.ToString());
return _Row[0]["BandCode"].ToString();
}
/// <summary>
/// 获得条码图形
/// </summary>
/// <param name="p_Text">文字</param>
/// <returns>图形</returns>
private Bitmap GetImage(string p_Text)
{
char[] _Value = p_Text.ToCharArray();
int _Width = 0;
for (int i = 0; i != _Value.Length; i++)
{
_Width += Int32.Parse(_Value[i].ToString()) * (m_Magnify + 1);
}
Bitmap _CodeImage = new Bitmap(_Width,(int)m_Height);
Graphics _Garphics = Graphics.FromImage(_CodeImage);
//Pen _Pen;
int _LenEx = 0;
for (int i = 0; i != _Value.Length; i++)
{
int _ValueNumb = Int32.Parse(_Value[i].ToString()) * (m_Magnify + 1); //获取宽和放大系数
if (!((i & 1) == 0))
{
//_Pen = new Pen(Brushes.White,_ValueNumb);
_Garphics.FillRectangle(Brushes.White,new Rectangle(_LenEx,_ValueNumb,(int)m_Height));
}
else
{
//_Pen = new Pen(Brushes.Black,_ValueNumb);
_Garphics.FillRectangle(Brushes.Black,(int)m_Height));
}
//_Garphics.(_Pen,new Point(_LenEx,0),m_Height));
_LenEx += _ValueNumb;
}
_Garphics.Dispose();
return _CodeImage;
}
/// <summary>
/// 显示可见条码文字 如果小于40 不显示文字
/// </summary>
/// <param name="p_Bitmap">图形</param>
private void GetViewText(Bitmap p_Bitmap,string p_ViewText)
{
if (m_ValueFont == null) return;
Graphics _Graphics = Graphics.FromImage(p_Bitmap);
SizeF _DrawSize = _Graphics.MeasureString(p_ViewText,m_ValueFont);
if (_DrawSize.Height > p_Bitmap.Height - 10 || _DrawSize.Width > p_Bitmap.Width)
{
_Graphics.Dispose();
return;
}
int _StarY = p_Bitmap.Height - (int)_DrawSize.Height;
_Graphics.FillRectangle(Brushes.White,new Rectangle(0,_StarY,p_Bitmap.Width,(int)_DrawSize.Height));
_Graphics.DrawString(p_ViewText,m_ValueFont,Brushes.Black,_StarY);
}
//12345678
//(105 + (1 * 12 + 2 * 34 + 3 * 56 + 4 *78)) % 103 = 47
//结果为starc +12 +34 +56 +78 +47 +end
internal Image GetCodeImage(string p)
{
throw new NotImplementedException();
}
}
}
}
Code128 _Code = new Code128();
_Code.ValueFont = new Font("宋体",20);
System.Drawing.Bitmap imgTemp = _Code.GetCodeImage("T26200-1900-123-1-0900",Code128.Encode.Code128A);
imgTemp.Save(System.AppDomain.CurrentDomain.BaseDirectory + "" + "BarCode.gif",System.Drawing.Imaging.ImageFormat.Gif);
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