Java编程打印购物小票实现代码

package test;import java.awt.*;import java.awt.print.*;public class PrintTest {public static void main(String[] args){if(PrinterJob.lookupPrintServices().length>0){PageFormat pageFormat = new PageFormat();//设置打印起点从左上角开始，从左到右，从上到下打印pageFormat.setOrientation(PageFormat.PORTRAIT);Paper paper = new Paper();//设置打印宽度（固定，和具体的打印机有关）和高度（跟实际打印内容的多少有关）paper.setSize(140, 450);//设置打印区域 打印起点坐标、打印的宽度和高度paper.setImageableArea(0, 0, 135, 450);pageFormat.setPaper(paper);//创建打印文档Book book = new Book();book.append(new Printable() {@Override        public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) throws PrinterException {if(pageIndex>0){return NO_SUCH_PAGE;}Graphics2D graphics2D = (Graphics2D) graphics;Font font = new Font("宋体", Font.PLAIN, 5);graphics2D.setFont(font);drawString(graphics2D, "//////////////////////////////", 10, 17, 119, 8);font = new Font("宋体", Font.PLAIN, 7);graphics2D.setFont(font);int yIndex = 30;int lineHeight = 10;int lineWidth = 120;Color defaultColor = graphics2D.getColor();Color grey = new Color(145, 145, 145);//收货信息yIndex = drawString(graphics2D, "收货人：路人甲", 10, yIndex, lineWidth, lineHeight);yIndex = drawString(graphics2D, "收货地址：北京市海淀区上地十街10号百度大厦", 10, yIndex + lineHeight, lineWidth, lineHeight);//收货信息边框Stroke stroke = new BasicStroke(0.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL,0,new float[]{4, 4},0);graphics2D.setStroke(stroke);graphics2D.drawRect(5, 10, 129, yIndex);//药店名称lineWidth = 129;lineHeight = 8;graphics2D.setFont(new Font("宋体", Font.BOLD, 8));graphics2D.setColor(defaultColor);yIndex = drawString(graphics2D, "北京药店零售小票", 5, yIndex + lineHeight + 20, lineWidth, 12);graphics2D.setFont(new Font("宋体", Font.PLAIN, 6));graphics2D.setColor(grey);yIndex = drawString(graphics2D, "操作员：小清新", 5, yIndex + lineHeight + 2, lineWidth, lineHeight);yIndex = drawString(graphics2D, "日期：2017-01-05", 5 + lineWidth/2, yIndex, lineWidth, lineHeight);yIndex = drawString(graphics2D, "品名", 5, yIndex + lineHeight * 2 - 5, lineWidth, lineHeight);yIndex = drawString(graphics2D, "规格", (lineWidth/10)*4, yIndex, lineWidth, lineHeight);yIndex = drawString(graphics2D, "单价", (lineWidth/10)*8, yIndex, lineWidth, lineHeight);yIndex = drawString(graphics2D, "数量", (lineWidth/10)*10, yIndex, lineWidth, lineHeight);for (int i=0; i<5; i++){graphics2D.setFont(new Font("宋体", Font.PLAIN, 7));yIndex = drawString(graphics2D, "E复合维生素B片100片E复合维生素B片100片", 5, yIndex + 15, (lineWidth/10)*7, 10);graphics2D.setFont(new Font("宋体", Font.PLAIN, 6));graphics2D.setColor(grey);yIndex = drawString(graphics2D, "100片/盒", 5, yIndex + 11, lineWidth, lineHeight);yIndex = drawString(graphics2D, "14.50", (lineWidth/10)*8, yIndex, lineWidth, lineHeight);yIndex = drawString(graphics2D, "2", (lineWidth/10)*10, yIndex, lineWidth, lineHeight);graphics2D.setFont(new Font("宋体", Font.PLAIN, 7));yIndex = yIndex + 2;graphics2D.drawLine(5, yIndex, 5 + lineWidth, yIndex);}graphics2D.setColor(defaultColor);yIndex = drawString(graphics2D, "会员名称：小清新", 5, yIndex + lineHeight * 2, lineWidth, lineHeight);yIndex = drawString(graphics2D, "总  数：6", 5, yIndex + lineHeight, lineWidth, lineHeight);yIndex = drawString(graphics2D, "总  计：55.30", 5, yIndex + lineHeight, lineWidth, lineHeight);yIndex = drawString(graphics2D, "收  款：100.00", 5, yIndex + lineHeight, lineWidth, lineHeight);yIndex = drawString(graphics2D, "找  零：44.70", 5, yIndex + lineHeight, lineWidth, lineHeight);graphics2D.setFont(new Font("宋体", Font.PLAIN, 6));graphics2D.setColor(grey);yIndex = drawString(graphics2D, "电话：020-123456", 5, yIndex + lineHeight * 2, lineWidth, lineHeight);yIndex = drawString(graphics2D, "地址：北京市海淀区上地十街10号百度大厦", 5, yIndex + lineHeight, lineWidth, lineHeight);yIndex = yIndex + 20;graphics2D.drawLine(0, yIndex, 140, yIndex);return PAGE_EXISTS;}}, pageFormat);//获取默认打印机PrinterJob printerJob = PrinterJob.getPrinterJob();printerJob.setPageable(book);try {printerJob.print();}catch (PrinterException e) {e.printStackTrace();System.out.println("打印异常");}} else{System.out.println("没法发现打印机服务");}}private static int drawString(Graphics2D graphics2D, String text, int x, int y, int lineWidth, int lineHeight){FontMetrics fontMetrics = graphics2D.getFontMetrics();if(fontMetrics.stringWidth(text)<lineWidth){graphics2D.drawString(text, x, y);return y;} else{char[] chars = text.toCharArray();int charsWidth = 0;StringBuffer sb = new StringBuffer();for (int i=0; i<chars.length; i++){if((charsWidth + fontMetrics.charWidth(chars[i]))>lineWidth){graphics2D.drawString(sb.toString(), x, y);sb.setLength(0);y = y + lineHeight;charsWidth = fontMetrics.charWidth(chars[i]);sb.append(chars[i]);} else{charsWidth = charsWidth + fontMetrics.charWidth(chars[i]);sb.append(chars[i]);}}if(sb.length()>0){graphics2D.drawString(sb.toString(), x, y);y = y + lineHeight;}return y - lineHeight;}}}