asp.net(C#)生成Code39条形码实例 条码枪可以扫描出
本文导语: 代码如下:using System;using System.Collections;using System.ComponentModel;using System.Drawing;using System.Data; namespace MSCL{ /// /// 生成条码Code39 /// public class Code39 { private Hashtable m_Code39 = new Hashtable(); priva...
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
namespace MSCL
{
///
/// 生成条码Code39
///
public class Code39
{
private Hashtable m_Code39 = new Hashtable();
private byte m_Magnify = 0;
///
/// 放大倍数
///
public byte Magnify { get { return m_Magnify; } set { m_Magnify = value; } }
private int m_Height = 40;
///
/// 图形高
///
public int Height { get { return m_Height; } set { m_Height = value; } }
private Font m_ViewFont = null;
///
/// 字体大小
///
public Font ViewFont { get { return m_ViewFont; } set { m_ViewFont = value; } }
public Code39()
{
m_Code39.Add("A", "1101010010110");
m_Code39.Add("B", "1011010010110");
m_Code39.Add("C", "1101101001010");
m_Code39.Add("D", "1010110010110");
m_Code39.Add("E", "1101011001010");
m_Code39.Add("F", "1011011001010");
m_Code39.Add("G", "1010100110110");
m_Code39.Add("H", "1101010011010");
m_Code39.Add("I", "1011010011010");
m_Code39.Add("J", "1010110011010");
m_Code39.Add("K", "1101010100110");
m_Code39.Add("L", "1011010100110");
m_Code39.Add("M", "1101101010010");
m_Code39.Add("N", "1010110100110");
m_Code39.Add("O", "1101011010010");
m_Code39.Add("P", "1011011010010");
m_Code39.Add("Q", "1010101100110");
m_Code39.Add("R", "1101010110010");
m_Code39.Add("S", "1011010110010");
m_Code39.Add("T", "1010110110010");
m_Code39.Add("U", "1100101010110");
m_Code39.Add("V", "1001101010110");
m_Code39.Add("W", "1100110101010");
m_Code39.Add("X", "1001011010110");
m_Code39.Add("Y", "1100101101010");
m_Code39.Add("Z", "1001101101010");
m_Code39.Add("0", "1010011011010");
m_Code39.Add("1", "1101001010110");
m_Code39.Add("2", "1011001010110");
m_Code39.Add("3", "1101100101010");
m_Code39.Add("4", "1010011010110");
m_Code39.Add("5", "1101001101010");
m_Code39.Add("6", "1011001101010");
m_Code39.Add("7", "1010010110110");
m_Code39.Add("8", "1101001011010");
m_Code39.Add("9", "1011001011010");
m_Code39.Add("+", "1001010010010");
m_Code39.Add("-", "1001010110110");
m_Code39.Add("*", "1001011011010");
m_Code39.Add("/", "1001001010010");
m_Code39.Add("%", "1010010010010");
//m_Code39.Add("contentquot;, "1001001001010");
m_Code39.Add(".", "1100101011010");
m_Code39.Add(" ", "1001101011010");
}
public enum Code39Model
{
///
/// 基本类别 1234567890ABC
///
Code39Normal,
///
/// 全ASCII方式 +A+B 来表示小写
///
Code39FullAscII
}
///
/// 获得条码图形
///
/// 文字信息
/// 类别
/// 是否增加前后*号
/// 图形
public Bitmap GetCodeImage(string p_Text, Code39Model p_Model, bool p_StarChar)
{
string _ValueText = "";
string _CodeText = "";
char[] _ValueChar = null;
switch (p_Model)
{
case Code39Model.Code39Normal:
_ValueText = p_Text.ToUpper();
break;
default:
_ValueChar = p_Text.ToCharArray();
for (int i = 0; i != _ValueChar.Length; i++)
{
if ((int)_ValueChar[i] >= 97 && (int)_ValueChar[i] p_CodeImage.Width || _FontSize.Height > p_CodeImage.Height - 20)
{
_Graphics.Dispose();
return;
}
int _StarHeight = p_CodeImage.Height - (int)_FontSize.Height;
_Graphics.FillRectangle(Brushes.White, new Rectangle(0, _StarHeight, p_CodeImage.Width, (int)_FontSize.Height));
int _StarWidth = (p_CodeImage.Width - (int)_FontSize.Width) / 2;
_Graphics.DrawString(p_Text, m_ViewFont, Brushes.Black, _StarWidth, _StarHeight);
_Graphics.Dispose();
}
}
}
using System;
using System.Web;
using System.IO;
using System.Drawing;
using System.Drawing.Imaging;
public class GetC39Handler : IHttpHandler {
//获取Code39处理程序
public void ProcessRequest (HttpContext context) {
string OrderNo = context.Request.Params["OrderNo"];
MSCL.Code39 _Code39 = new MSCL.Code39();
_Code39.Height = 60;
_Code39.Magnify = 0;
_Code39.ViewFont = new Font("Arial", 12);
System.Drawing.Image _CodeImage = _Code39.GetCodeImage(OrderNo, MSCL.Code39.Code39Model.Code39Normal, true);
System.IO.MemoryStream _Stream = new System.IO.MemoryStream();
_CodeImage.Save(_Stream, System.Drawing.Imaging.ImageFormat.Jpeg);
//_CodeImage.Save(Server.MapPath("/1.jpeg"));
//_CodeImage.Save(Server.MapPath("/1.BMP"));
//_CodeImage.Save(Server.MapPath("/1.GIF"));
context.Response.ContentType = "image/tiff";
context.Response.Clear();
context.Response.BufferOutput = true;
context.Response.BinaryWrite(_Stream.GetBuffer());
context.Response.Flush();
}
public bool IsReusable {
get {
return false;
}
}
}
//调用显示订单条码
Image1.ImageUrl = "GetC39Handler.ashx?OrderNo=32134411";