java代码连接打印机

1.安装打印机驱动 2.代码

import java.awt.*; import java.awt.print.*; public class FileDayinJI implements Printable { public static void main(String[] args) { int height = 175 + 3 * 15 + 20; Book book = new Book(); // 打印格式 PageFormat pf = new PageFormat(); pf.setOrientation(PageFormat.PORTRAIT); // 通过Paper设置页面的空白边距和可打印区域。必须与实际打印纸张大小相符。 Paper p = new Paper(); p.setSize(230, height); p.setImageableArea(5, -20, 230, height + 20); pf.setPaper(p); // 把 PageFormat 和 Printable 添加到书中，组成一个页面 book.append(new FileDayinJI(), pf); // 获取打印服务对象 PrinterJob job = PrinterJob.getPrinterJob(); job.setPageable(book); try { job.print(); } catch (PrinterException e) { System.out.println("================打印出现异常"); } } @Override public int print(Graphics graphics, PageFormat pageFormat, int page) throws PrinterException { if (page > 0) { return NO_SUCH_PAGE; } Graphics2D g2d=(Graphics2D)graphics; g2d.setFont(new Font("Default", Font.PLAIN, 10)); g2d.drawString("联付科技", 50, 10); g2d.drawString("-------------------------------------", 7, 20); g2d.drawString("手机号码：" + "13888888888", 7, 35); g2d.drawString("领号日期：" + "2020.07.02", 7, 65); g2d.drawString("-------------------------------------", 7, 80); g2d.setFont(new Font("Default", Font.PLAIN, 18)); g2d.drawString("测试代码", 7, 105); g2d.setFont(new Font("Default", Font.PLAIN, 10)); g2d.drawString("停车场号码：" + "123456", 7, 175); g2d.drawString("-------------------------------------", 7, 145); g2d.drawString("*打印时间:" + "2020.07.02" + "*", 7, 160); g2d.drawString("*打印人员:" + "小张同学" + "*", 7, 200); return PAGE_EXISTS; } }