条形码打印 EPL命令解释

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Runtime.InteropServices;

namespace ITE.Windows.Common
{
    public class BarCodePrint
    {
        //并口打印

        [StructLayout(LayoutKind.Sequential)]
        private struct OVERLAPPED
        {
            int Internal;
            int InternalHigh;
            int Offset;
            int OffSetHigh;
            int hEvent;
        }

        [DllImport("kernel32.dll")]
        private static extern int CreateFile(
        string lpFileName,
        uint dwDesiredAccess,
        int dwShareMode,
        int lpSecurityAttributes,
        int dwCreationDisposition,
        int dwFlagsAndAttributes,
        int hTemplateFile
        );


        [DllImport("kernel32.dll")]
        private static extern bool WriteFile(
        int hFile,
        byte[] lpBuffer,
        int nNumberOfBytesToWrite,
        out int lpNumberOfBytesWritten,
        out OVERLAPPED lpOverlapped
        );


        [DllImport("kernel32.dll")]
        private static extern bool CloseHandle(
        int hObject
        );



        private int iHandle;
        public bool Open()
        {
            iHandle = CreateFile("lpt1", 0x40000000, 0, 0, 3, 0, 0);
            if (iHandle != -1)
            {
                return true;
            }
            else
            {
                return false;
            }

        }


        public bool Write(String Mystring)
        {


            if (iHandle != -1)
            {
                int i;
                OVERLAPPED x;
                byte[] mybyte = System.Text.Encoding.Default.GetBytes(Mystring);
                return WriteFile(iHandle, mybyte, mybyte.Length, out i, out x);
            }
            else
            {
                throw new Exception("端口未打开!");
            }
        }


        public bool Close()
        {
            return CloseHandle(iHandle);
        }

		
        private string BaseBarCodeString()
        {
            StringBuilder BarSb = new StringBuilder();
            BarSb.Append("Q240,019");//设置标签长度和间距, 长度=240dots=30mm,间距=24dots=3mm
            BarSb.Append("\n\r");
            BarSb.Append("q1020");//使用此命令设置可打印区域的宽度,该命令带参数 参数为正整数
            BarSb.Append("\n\r");
            BarSb.Append("rN");
            BarSb.Append("\n\r");
            BarSb.Append("S4");//使用此命令来设置打印速度,该命令带参数 参数一般0~6
            BarSb.Append("\n\r");
            BarSb.Append("D15");//使用此命令来设定打印浓度,该命令带参数 参数一般0~15
            BarSb.Append("\n\r");
            BarSb.Append("ZB");//ZB命令调整打印方向从左上开始，ZT打印方向从右下开始
            BarSb.Append("\n\r");
            BarSb.Append("JB");
            BarSb.Append("\n\r");
            BarSb.Append("O");
            BarSb.Append("\n\r");
            BarSb.Append("R16,0");
            BarSb.Append("\n\r");
            BarSb.Append("N");
            BarSb.Append("\n\r");
            BarSb.Append("{0}");
            BarSb.Append("\n\r");
            BarSb.Append("P1");//P1<回车>	打印，1为打印数量
            BarSb.Append("\n\r");
            return BarSb.ToString();
        }


        public  string GetStorageNoBarCodeCommandString(string stockCode,string productCode,string wight)
        {
            StringBuilder BarSb = new StringBuilder();
            BarSb.Append("A60,45,0,2,2,1,N,\"" + stockCode + "\"");
            BarSb.Append("\n\r");
            BarSb.Append("A100,165,0,4,1,1,N,\"" + productCode + "\"");
            BarSb.Append("\n\r");
            BarSb.Append("A150,190,0,4,1,1,N,\"" + wight + "\"");//打印文本内容
            BarSb.Append("\n\r");
            BarSb.Append("B240,80,0,3,3,6,90,N,\"" + stockCode + "\"");//打印条码
			        /*
B240,80,0,E30,3,6,90,B,"123456789012"<回车>	
 * 
例范围为1-9；参数N为普通打印，如为R则为反转打印；“1234567890123”为打印内容
打印条码，240,80为X,Y坐标点；
0为条码方向正向；
E30为EAN13码；
3,6为条码的细条宽度，粗条宽度；
90为条码高度；B表示打印条码下方字符；“123456789012”为打印内容，注意EAN13码最后一位自动生成
*/
            return string.Format(BaseBarCodeString(), BarSb.ToString());
        }
    }
}

如果打印机用的是USB口的，要将lpt口映射成usb的，

NET USE LPT1 \\192.168.1.111\Printer /Persistent:YES

192.168.1.111---目标机器IP

Printer----目标机器打印机共享名

EPL2命令说明

EPL2严格区分大小写

A
语法 Ap1,p2,p3,p4,p5,p6,p7,“DATA”
参数 p1=以象素点为单位的水平起始位置

p2=以象素点为单位的垂直起始位置

p3=旋转

Value Description
0 No rotation
1 90 degrees
2 180 degrees
3 270 degrees

4 No rotation
5 90 degrees
6 180 degrees
7 270 degrees

4-7是针对亚洲字体的设置

p4=字体选择

Value Description
203 dpi 300 dpi

1 20.3 cpi, 6 pts, 25 cpi, 4 pts,
(8 x 12 dots) (12 x 20 dots)

2 16.9 cpi, 7 pts, 18.75 cpi, 6 pts,
(10 x 16 dots) (16 x 28 dots)

3 14.5 cpi, 10 pts, 15 cpi, 8 pts,
(12 x 20 dots) (20 x 36 dots)

4 12.7 cpi, 12 pts, 12.5 cpi, 10 pts,
(14 x 24 dots) (24 x 44 dots)

5 5.6 cpi, 24 pts, 6.25 cpi, 21 pts,
(32 x 48 dots) (48 x 80 dots)

6 Numeric Only Numeric Only
(14 x 19 dots) (14 x 19 dots)

7 Numeric Only Numeric Only
(14 x 19 dots) (14 x 19 dots)

亚洲打印机

Simplified Chinese, Japanese, Korean

8 203 dpi fonts : 24 x 24 dots
300 dpi Double-byte fonts : 36 x 36 dots
300 dpi Single-byte fonts : 24 x 36 dots

Traditional Chinese, Japanese
9 300 dpi Double-byte fonts: 36 x 36 dots
300 dpi Single-byte fonts : 24 x 36 dots
Korean - Reserved

p5=水平膨胀,值:1-6&8

p6=垂直膨胀,值:1-9

p7=N代表普通,R表示反转图象

"DATA"=数据

B
用于打印标准条码-----上面的例子是根据这个标准来的

语法:Bp1,p2,p3,p4,p5,p6,p7,p8,“DATA”

参数 p1=以象素点为单位的水平起始位置
p2=以象素点为单位的垂直起始位置
p3=旋转

Value Description
0 No rotation
1 90 degrees
2 180 degrees
3 270 degrees

p4=条码选择,参见条码表
p5=窄条的象数宽度,参见条码表
p6=宽条的象数宽度,参见条码表
p7=条码的象素高度
p8=打印可读代码,值 B=是,N=否
"DATA"=数据

条码表

参考