Java上位机连接打印机打印指定内容

package com.zoipuus.printer; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.print.Book; import java.awt.print.PageFormat; import java.awt.print.Paper; import java.awt.print.Printable; import java.awt.print.PrinterException; import java.awt.print.PrinterJob; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import javax.print.Doc; import javax.print.DocFlavor; import javax.print.DocPrintJob; import javax.print.PrintException; import javax.print.PrintService; import javax.print.PrintServiceLookup; import javax.print.ServiceUI; import javax.print.SimpleDoc; import javax.print.attribute.DocAttributeSet; import javax.print.attribute.HashAttributeSet; import javax.print.attribute.HashDocAttributeSet; import javax.print.attribute.HashPrintRequestAttributeSet; import javax.print.attribute.standard.PrinterName; import javax.swing.JFileChooser; public class PrintDemo implements Printable { public static void main(String[] args) { // TODO Auto-generated method stub // doPrintFile(); (new PrintDemo()).doPrintLabel("zoipuus", "2016-03-19 17:45", 1); } private int pageNumbers; private String name; private String finishTime; // 打印指定文字 public void doPrintLabel(String name, String finishTime, int pageNumbers) { // TODO Auto-generated method stub this.pageNumbers = pageNumbers; this.name = name; this.finishTime = finishTime; // 创建文档 Book book = new Book(); // 设置打印格式（PORTRAIT:竖向打印，LANDSCAPE:横向打印） PageFormat pageFormat = new PageFormat(); pageFormat.setOrientation(PageFormat.PORTRAIT); // 通过Paper设置页面的空白边距和可打印边距 Paper paper = new Paper(); // A4 Size : 590 * 840 paper.setSize(590, 840); // print area paper.setImageableArea(0, 0, 590, 840); pageFormat.setPaper(paper); // 把PageFormat和Printable添加到书中。组成一个页面 book.append(this, pageFormat, pageNumbers); HashAttributeSet sets = new HashAttributeSet(); sets.add(new PrinterName("Code", null)); // 获取打印服务对象，打印格式为null PrintService[] services = PrintServiceLookup.lookupPrintServices(null, sets); PrinterJob job = PrinterJob.getPrinterJob(); try { if (services.length > 0) { job.setPrintService(services[0]); } // 设置打印类 job.setPageable(book); // print job.print(); } catch (PrinterException e) { e.printStackTrace(); } } // 打印指定文件 private static void doPrintFile() { // TODO Auto-generated method stub JFileChooser fileChooser = new JFileChooser(); fileChooser.showOpenDialog(null); File file = fileChooser.getSelectedFile(); if (file != null) { // 选择文件 // File file = new File("D:/TestPrinter.txt"); System.out.println("选择文件:" + file.toString()); // 构建打印请求属性集 HashPrintRequestAttributeSet pras = new HashPrintRequestAttributeSet(); System.out.println("构建打印请求属性集"); // 设置打印格式，未确定类型，选择autosense DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE; System.out.println("设置打印格式，未确定类型，选择autosense"); // 查找所有的可用的打印服务 PrintService printService[] = PrintServiceLookup .lookupPrintServices(flavor, pras); System.out.println("查找所有的可用的打印服务"); // 定位默认的打印服务 PrintService defaultService = PrintServiceLookup .lookupDefaultPrintService(); System.out.println("定位默认的打印服务"); // 显示打印对话框 PrintService service = ServiceUI.printDialog(null, 200, 200, printService, defaultService, flavor, pras); System.out.println("显示打印对话框"); if (service != null) { try { // 创建打印业务 DocPrintJob job = service.createPrintJob(); FileInputStream fis = new FileInputStream(file); DocAttributeSet das = new HashDocAttributeSet(); Doc doc = new SimpleDoc(fis, flavor, das); job.print(doc, pras); try { fis.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } catch (FileNotFoundException e) { // TODO Auto-generated catch block System.out.println("FileNotFoundException"); e.printStackTrace(); } catch (PrintException e) { // TODO Auto-generated catch block System.out.println("PrintException"); e.printStackTrace(); } } else { System.out.println("service = null"); } } } @Override public int print(Graphics arg0, PageFormat format, int pageIbdex) throws PrinterException { // TODO Auto-generated method stub Graphics2D g2 = (Graphics2D) arg0; // 设置颜色 g2.setColor(Color.black); Font font = new Font("叶根友毛笔行书2.0版", Font.PLAIN, 24); g2.setFont(font); if (pageIbdex >= this.pageNumbers) return NO_SUCH_PAGE; g2.drawString(name, 134, 145); Font font1 = new Font("hakuyoxingshu7000", Font.PLAIN, 18); g2.setFont(font1); g2.drawString(finishTime, 266, 145); return 0; } }