小票打印机指令集封装（支持EPSON指令）

最近写了一些关于小票打印机的程序，不难，但是记录下来，作为足迹吧。
现在市场上的小票机基本都支持EPSON指令。指令集文档
对指令集进行了自己的封装，方便以后调用：

package aheiziUtil;

import java.io.UnsupportedEncodingException;

public class PrinterCmdUtils {
	
    public static final byte ESC = 27;//换码
    public static final byte FS = 28;//文本分隔符
    public static final byte GS = 29;//组分隔符
    public static final byte DLE = 16;//数据连接换码
    public static final byte EOT = 4;//传输结束
    public static final byte ENQ = 5;//询问字符
    public static final byte SP = 32;//空格
    public static final byte HT = 9;//横向列表
    public static final byte LF = 10;//打印并换行（水平定位）
    public static final byte CR = 13;//归位键
    public static final byte FF = 12;//走纸控制（打印并回到标准模式（在页模式下） ）
    public static final byte CAN = 24;//作废（页模式下取消打印数据 ）
    
//------------------------换行-----------------------------
    /**
     * 换行
     * @param lineNum要换几行
     * @return
     */
    public static byte[] nextLine(int lineNum)
    {
    		byte[] result = new byte[lineNum];
    		for(int i=0;i<lineNum;i++)
    		{
    			result[i] = LF;
    		}
    		
    		return result;
    }
    
//------------------------加粗-----------------------------
 
    
    //选择加粗模式
    public static String boldOn()
    {
    	byte[] result = new byte[3];
        result[0] = ESC;
        result[1] = 69;
        result[2] = 0xF;
        return new String(result);
    }
    
    
    //取消加粗模式
    public static String boldOff()
    {
    	byte[] result = new byte[3];
        result[0] = ESC;
        result[1] = 69;
        result[2] = 0;
        return new String(result);
    }
    
//------------------------对齐-----------------------------
   
    
    /**
     * 左对齐
     * @return
     * @throws UnsupportedEncodingException 
     */
    public static String alignLeft()
    {
    		byte[] result = new byte[3];
        result[0] = ESC;
        result[1] = 97;
        result[2] = 0;
        return new String(result);
    }
    
    
    /**
     * 居中对齐
     * @return
     * @throws UnsupportedEncodingException 
     */
    public static String alignCenter()
    {
    		byte[] result = new byte[3];
        result[0] = ESC;
        result[1] = 97;
        result[2] = 1;
        return new String(result);
    }
    
    
    /**
     * 右对齐
     * @return
     */
    public static byte[] alignRight()
    {
    		byte[] result = new byte[3];
        result[0] = ESC;
        result[1] = 97;
        result[2] = 2;
        return result;
    }

    
    /**
     * 水平方向向右移动col列
     * @param col
     * @return
     */
    public static byte[] set_HT_position( byte col )
    {
        byte[] result = new byte[4];
        result[0] = ESC;
        result[1] = 68;
        result[2] = col;
        result[3] = 0;
        return result;
    }

    /**
     * Select Font A
     * ESC M n
     * @return bytes for this command
     * @throws UnsupportedEncodingException 
     */
    public static String select_fontA()
    {
        byte[] result = new byte[3];
        result[0] = ESC;
        result[1] = 77;
        result[2] = 0;
        return new String(result);
    }

    /**
     * Select Font B
     * ESC M n
     * @return bytes for this command
     * @throws UnsupportedEncodingException 
     */
    public static String select_fontB()
    {
        byte[] result = new byte[3];
        result[0] = ESC;
        result[1] = 77;
        result[2] = 1;
        return new String(result);
    }

    /**
     * Select Font C ( some printers don't have font C )
     * ESC M n
     * @return bytes for this command
     * @throws UnsupportedEncodingException 
     */
    public static String select_fontC()
    {
        byte[] result = new byte[3];
        result[0] = ESC;
        result[1] = 77;
        result[2] = 2;
        return new String(result);
    }

    //反显打印
    public static String reversePrint(){
    	 byte[] result = new byte[3];
         result[0] = GS;
         result[1] = 66;
         result[2] = 1;
         return new String(result);
    }
    
    //取消反显
    public static String reverseCancel(){
   	 byte[] result = new byte[3];
        result[0] = GS;
        result[1] = 66;
        result[2] = 0;
        return new String(result);
    }
    
    

/****************************下划线*******************************/
    
    //下划线一点宽（不支持汉字）
    public static String underlineOne(){
	 	 byte[] result = new byte[3];
	      result[0] = ESC;
	      result[1] = 45;
	      result[2] = 1;
	      return new String(result);
	  }
    
  //下划线两点宽（不支持汉字）
    public static String underlineTwo(){
	 	 byte[] result = new byte[3];
	      result[0] = ESC;
	      result[1] = 45;
	      result[2] = 2;
	      return new String(result);
	  }
    
    //取消下划线（不支持汉字）
    public static String UnderlineCancle(){
	 	 byte[] result = new byte[3];
	      result[0] = ESC;
	      result[1] = 45;
	      result[2] = 0;
	      return new String(result);
	  }

/****************************跳格*******************************/
    
    //设置横向跳格位置
    public static String Jump(){
	 	 byte[] result = new byte[3];
	      result[0] = ESC;
	      result[1] = 68;
	      result[2] = 0;
	      return new String(result);
	  }
    
/****************************倍数放大*******************************/
    
    //纵向放大两倍（汉字，英文，数字都支持）
    public static String longitudinalDouble(){
	 	 byte[] result = new byte[3];
	      result[0] = GS;
	      result[1] = 33;
	      result[2] = 1;
	      return new String(result);
	  }
    
    //横向放大两倍（汉字，英文，数字都支持）
    public static String transverseDouble(){
	 	 byte[] result = new byte[3];
	      result[0] = GS;
	      result[1] = 33;
	      result[2] = 16;
	      return new String(result);
	  }
    
    //纵向，横向放大两倍（汉字，英文，数字都支持）
    public static String bothDouble(){
	 	 byte[] result = new byte[3];
	      result[0] = GS;
	      result[1] = 33;
	      result[2] = 17;
	      return new String(result);
	  }
    
    //纵向，横向放大取消（汉字，英文，数字都支持）
    public static String ZoomCancel(){
	 	 byte[] result = new byte[3];
	      result[0] = GS;
	      result[1] = 33;
	      result[2] = 0;
	      return new String(result);
	  }
    
    //倍宽，倍高
    public static String doubleFont(){
	  	 byte[] result = new byte[3];
	       result[0] = FS;
	       result[1] = 87;
	       result[2] = 1;
	       return new String(result);
	   }
    
    //取消倍宽，倍高
    public static String doubleCancel(){
	 	 byte[] result = new byte[3];
	      result[0] = FS;
	      result[1] = 87;
	      result[2] = 0;
	      return new String(result);
	  }
    
    //字體
    public static String fontA(){
	 	 byte[] result = new byte[3];
	      result[0] = ESC;
	      result[1] = 77;
	      result[2] = 0;
	      return new String(result);
	 }
    
    public static String fontB(){
	 	 byte[] result = new byte[3];
	      result[0] = ESC;
	      result[1] = 77;
	      result[2] = 1;
	      return new String(result);
	 }
    
    //字符集
    public static String fontji(){
	 	 byte[] result = new byte[3];
	      result[0] = ESC;
	      result[1] = 82;
	      result[2] = 15;
	      return new String(result);
	 }
    
    //字符
    public static String fontzidingyi(){
	 	 byte[] result = new byte[5];
	      result[0] = FS;
	      result[1] = 50;
	      result[2] = 1;
	      result[3] = 1;
	      
	      result[4] = 12;
	      
	      return new String(result);
	 }
    
    //设置汉字字符左右边距
    public static String margin1(){
	 	 byte[] result = new byte[4];
	      result[0] = FS;
	      result[1] = 83;
	      result[2] = 1;
	      result[3] = 1;
	      return new String(result);
	 }
    
  //设置汉字字符左右边距
    public static String margin2(){
	 	 byte[] result = new byte[4];
	      result[0] = FS;
	      result[1] = 83;
	      result[2] = 2;
	      result[3] = 2;
	      return new String(result);
	 }
    
    //设置汉字字符左右边距
    public static String marginCancle(){
	 	 byte[] result = new byte[4];
	      result[0] = FS;
	      result[1] = 83;
	      result[2] = 0;
	      result[3] = 0;
	      return new String(result);
	 }
    
    //设置行间距1
    public static String rowSpacing1(){
	 	 byte[] result = new byte[3];
	      result[0] = ESC;
	      result[1] = 51;
	      result[2] = 1;
	      return new String(result);
	 }
    
    //设置行间距2
    public static String rowSpacing2(){
	 	 byte[] result = new byte[3];
	      result[0] = FS;
	      result[1] = 51;
	      result[2] = 2;
	      return new String(result);
	 }
    
    //设置行间距
    public static String rowSpacingCancel(){
	 	 byte[] result = new byte[3];
	      result[0] = FS;
	      result[1] = 51;
	      result[2] = 0;
	      return new String(result);
	 }
}

将byte[]转化成了String，方便拼接字符串。
下面是测试方法。
package aheiziUtil;

import java.io.IOException;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.UnknownHostException;


public class TestMain {

	private static void print(String ip,String printContent) {
		Socket socket = null;
		try {
			socket = new Socket();
			socket.connect(new InetSocketAddress(ip, 9100), 4000);
			
			System.out.println("CashierDesk=====小票机连接成功，IP：" + ip);
			
			OutputStream os = socket.getOutputStream();
			
			// 切纸命令
			String text = printContent + "





";
			byte[] CMD_INIT = { 27, 64 };
			os.write(CMD_INIT);
			os.write(text.getBytes("GB2312"));
			final byte[] CMD_CUT = { 0x1D, 0x56, 0x01 };
			os.write(CMD_CUT);
			System.out.println("CashierDesk=====小票机打印完成，IP：" + ip);
			

		} catch (UnknownHostException e) {
		
			System.out.println("CashierDesk=====小票机连接失败，IP：" + ip);
			e.printStackTrace();
		} catch (IOException e) {
			System.out.println("CashierDesk=====小票机连接失败，IP：" + ip);
			e.printStackTrace();
		} finally {
			if (socket != null) {
				try {
					socket.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
	}
	
	public static void main(String[] args) {
		String ip = "192.168.80.209";
		String printContent = "";
		
		printContent += "********************倍数放大********************
";
		
		printContent += "纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.longitudinalDouble();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.transverseDouble();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.bothDouble();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "********************加粗加粗********************
";
		
		printContent += "纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.longitudinalDouble();
		printContent += PrinterCmdUtils.boldOn();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.boldOff();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.transverseDouble();
		printContent += PrinterCmdUtils.boldOn();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.boldOff();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.bothDouble();
		printContent += PrinterCmdUtils.boldOn();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.boldOff();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "********************改变字体********************
";
		
		printContent += "改变字体（仅支持英文，数字）
";
		printContent += PrinterCmdUtils.fontB();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.fontA();
		printContent += "
";
		
		printContent += "纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.longitudinalDouble();
		printContent += PrinterCmdUtils.fontB();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.fontA();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.transverseDouble();
		printContent += PrinterCmdUtils.fontB();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.fontA();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.bothDouble();
		printContent += PrinterCmdUtils.fontB();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.fontA();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "********************反显打印********************
";
		
		printContent += "纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.longitudinalDouble();
		printContent += PrinterCmdUtils.reversePrint();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.reverseCancel();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.transverseDouble();
		printContent += PrinterCmdUtils.reversePrint();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.reverseCancel();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.bothDouble();
		printContent += PrinterCmdUtils.reversePrint();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.reverseCancel();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "********************汉字间距1*******************
";
		
		printContent += "纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.longitudinalDouble();
		printContent += PrinterCmdUtils.margin1();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.marginCancle();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.transverseDouble();
		printContent += PrinterCmdUtils.margin1();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.marginCancle();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.bothDouble();
		printContent += PrinterCmdUtils.margin1();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.marginCancle();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "********************汉字间距2*******************
";
		
		printContent += "纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.longitudinalDouble();
		printContent += PrinterCmdUtils.margin2();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.marginCancle();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.transverseDouble();
		printContent += PrinterCmdUtils.margin2();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.marginCancle();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";
		
		printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）
";
		printContent += PrinterCmdUtils.bothDouble();
		printContent += PrinterCmdUtils.margin2();
		printContent += "我是中文
I'm english
54123456
";
		printContent += PrinterCmdUtils.marginCancle();
		printContent += PrinterCmdUtils.ZoomCancel();
		printContent += "
";*/
		
		print(ip, printContent);
	}
	
}