小票打印机指令集封装（支持EPSON指令）

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); } }