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 + "\n\n\n\n\n\n";
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********************\n";
printContent += "纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.longitudinalDouble();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.transverseDouble();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.bothDouble();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "********************加粗加粗********************\n";
printContent += "纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.longitudinalDouble();
printContent += PrinterCmdUtils.boldOn();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.boldOff();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.transverseDouble();
printContent += PrinterCmdUtils.boldOn();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.boldOff();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.bothDouble();
printContent += PrinterCmdUtils.boldOn();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.boldOff();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "********************改变字体********************\n";
printContent += "改变字体（仅支持英文，数字）\n";
printContent += PrinterCmdUtils.fontB();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.fontA();
printContent += "\n";
printContent += "纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.longitudinalDouble();
printContent += PrinterCmdUtils.fontB();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.fontA();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.transverseDouble();
printContent += PrinterCmdUtils.fontB();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.fontA();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.bothDouble();
printContent += PrinterCmdUtils.fontB();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.fontA();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "********************反显打印********************\n";
printContent += "纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.longitudinalDouble();
printContent += PrinterCmdUtils.reversePrint();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.reverseCancel();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.transverseDouble();
printContent += PrinterCmdUtils.reversePrint();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.reverseCancel();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.bothDouble();
printContent += PrinterCmdUtils.reversePrint();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.reverseCancel();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "********************汉字间距1*******************\n";
printContent += "纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.longitudinalDouble();
printContent += PrinterCmdUtils.margin1();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.marginCancle();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.transverseDouble();
printContent += PrinterCmdUtils.margin1();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.marginCancle();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.bothDouble();
printContent += PrinterCmdUtils.margin1();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.marginCancle();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "********************汉字间距2*******************\n";
printContent += "纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.longitudinalDouble();
printContent += PrinterCmdUtils.margin2();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.marginCancle();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.transverseDouble();
printContent += PrinterCmdUtils.margin2();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.marginCancle();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";
printContent += "横向，纵向放大两倍（汉字，英文，数字都支持）\n";
printContent += PrinterCmdUtils.bothDouble();
printContent += PrinterCmdUtils.margin2();
printContent += "我是中文\nI'm english\n54123456\n";
printContent += PrinterCmdUtils.marginCancle();
printContent += PrinterCmdUtils.ZoomCancel();
printContent += "\n";*/
print(ip, printContent);
}
}