halo_java的博客

package com.lenovo.union.printreceipt.test; import java.awt.*; import java.awt.print.*; public class Test implements Printable { private static Font fnt = new Font("Helvetica", Font.PLAIN, 24); public static void main(String[] args) { // Get a PrinterJob PrinterJob job = PrinterJob.getPrinterJob(); // Specify the Printable is an instance of SimplePrint job.setPrintable(new Test()); // Put up the dialog box if (job.printDialog()) { // Print the job if the user didn't cancel printing try { job.print(); } catch (Exception e) { /* handle exception */} } System.exit(0); } public int print(Graphics g, PageFormat pf, int pageIndex) throws PrinterException { // pageIndex 0 to 4 corresponds to page numbers 1 to 5. if (pageIndex >= 1) { return Printable.NO_SUCH_PAGE; } g.setFont(fnt); g.setColor(Color.green); g.drawString("Page " + (pageIndex + 1), 100, 100); g.drawRect(200, 200, 400, 300); return Printable.PAGE_EXISTS; } }

实现模仿支付宝支付成功以后画圆打对勾的效果，简单易用

轻量级且高可用的文件管理系统

使用tess4j进行图片识别