search
HomeJavajavaTutorialUse Java to write the print preview and print setting functions of form data

Use Java to write the print preview and print setting functions of form data

Aug 08, 2023 pm 01:52 PM
Printing previewjava programmingform dataPrint Settings

Use Java to write the print preview and print setting functions of form data

Use Java to write print preview and print setting functions of form data

With the development of information technology, more and more work is shifting from paper documents to electronic documents document. However, in some specific application scenarios, it is still necessary to print electronic documents into paper documents. In order to improve the user experience, we can write code in Java to implement the print preview and print setting functions of form data. This article will introduce how to use Java to implement such a function and give corresponding code examples.

  1. Implementation of print preview function

The print preview function can be implemented through Java, so that users can preview the printing effect before printing to ensure that the printing result meets expectations. The following is a code example to implement the print preview function:

import java.awt.BorderLayout;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JScrollPane;

public class PrintPreviewExample {
    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        
        JEditorPane editorPane = new JEditorPane();
        JScrollPane scrollPane = new JScrollPane(editorPane);
        frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
        
        frame.setSize(400, 300);
        frame.setVisible(true);
        
        // 假设文本编辑器中有需要打印的表单数据
        editorPane.setText("表单数据示例");
        
        try {
            PrinterJob job = PrinterJob.getPrinterJob();
            job.setPrintable(editorPane.getPrintable(null, null));
            if (job.printDialog()) {
                job.print();
            }
        } catch (PrinterException e) {
            e.printStackTrace();
        }
    }
}

In the above code, we use Swing's JFrame and JEditorPane components to create a simple text editor interface in which users can enter form data. When the user clicks the print button, first create a PrinterJob object and set the text editor's printing function to the implementation of the Printable interface. Then call the printDialog() method of the PrinterJob class, and the user can set the printer and printing parameters in the dialog box. Finally, call the print() method to implement printing.

  1. Implementation of print setting function

In addition to the print preview function, we can also implement the print setting function through Java, such as setting the printing paper size, printing direction, etc. The following is a code example to implement the print setting function:

import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import javax.print.PrintService;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.standard.MediaSize;
import javax.print.attribute.standard.OrientationRequested;

public class PrintSettingsExample {
    public static void main(String[] args) {
        try {
            PrinterJob job = PrinterJob.getPrinterJob();
            
            PrintService[] printServices = PrinterJob.lookupPrintServices();
            if (printServices.length <= 0) {
                throw new PrinterException("无可用打印机");
            }
            job.setPrintService(printServices[0]);
            
            PrintRequestAttributeSet attrSet = new HashPrintRequestAttributeSet();
            attrSet.add(OrientationRequested.LANDSCAPE);
            attrSet.add(MediaSize.ISO.A4);
            
            job.setPrintable(null, null);
            job.printDialog(attrSet);
        } catch (PrinterException e) {
            e.printStackTrace();
        }
    }
}

In the above code, we first obtain the available printers in the system through the lookupPrintServices() method of the PrinterJob class. Then set the print job's print service to the first available printer. Next, create a PrintRequestAttributeSet object and add printing parameters, such as setting the printing direction to landscape and setting the paper size to A4. Finally, the print settings dialog box is displayed by calling the printDialog() method, in which the user can set printing parameters.

Through the above code example, we can realize the print preview and print setting functions of form data. Users can confirm the printing effect through preview when using the application, and can also set printing parameters as needed to meet different needs. This can improve user efficiency and experience.

I hope the above sample code will be helpful to you and can achieve the print preview and print setting functions you need. Of course, the actual situation may require appropriate adjustments and modifications based on your needs. Good luck with your feature implementation!

The above is the detailed content of Use Java to write the print preview and print setting functions of form data. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
What are the advantages of using bytecode over native code for platform independence?What are the advantages of using bytecode over native code for platform independence?Apr 30, 2025 am 12:24 AM

Bytecodeachievesplatformindependencebybeingexecutedbyavirtualmachine(VM),allowingcodetorunonanyplatformwiththeappropriateVM.Forexample,JavabytecodecanrunonanydevicewithaJVM,enabling"writeonce,runanywhere"functionality.Whilebytecodeoffersenh

Is Java truly 100% platform-independent? Why or why not?Is Java truly 100% platform-independent? Why or why not?Apr 30, 2025 am 12:18 AM

Java cannot achieve 100% platform independence, but its platform independence is implemented through JVM and bytecode to ensure that the code runs on different platforms. Specific implementations include: 1. Compilation into bytecode; 2. Interpretation and execution of JVM; 3. Consistency of the standard library. However, JVM implementation differences, operating system and hardware differences, and compatibility of third-party libraries may affect its platform independence.

How does Java's platform independence support code maintainability?How does Java's platform independence support code maintainability?Apr 30, 2025 am 12:15 AM

Java realizes platform independence through "write once, run everywhere" and improves code maintainability: 1. High code reuse and reduces duplicate development; 2. Low maintenance cost, only one modification is required; 3. High team collaboration efficiency is high, convenient for knowledge sharing.

What are the challenges in creating a JVM for a new platform?What are the challenges in creating a JVM for a new platform?Apr 30, 2025 am 12:15 AM

The main challenges facing creating a JVM on a new platform include hardware compatibility, operating system compatibility, and performance optimization. 1. Hardware compatibility: It is necessary to ensure that the JVM can correctly use the processor instruction set of the new platform, such as RISC-V. 2. Operating system compatibility: The JVM needs to correctly call the system API of the new platform, such as Linux. 3. Performance optimization: Performance testing and tuning are required, and the garbage collection strategy is adjusted to adapt to the memory characteristics of the new platform.

How does the JavaFX library attempt to address platform inconsistencies in GUI development?How does the JavaFX library attempt to address platform inconsistencies in GUI development?Apr 30, 2025 am 12:01 AM

JavaFXeffectivelyaddressesplatforminconsistenciesinGUIdevelopmentbyusingaplatform-agnosticscenegraphandCSSstyling.1)Itabstractsplatformspecificsthroughascenegraph,ensuringconsistentrenderingacrossWindows,macOS,andLinux.2)CSSstylingallowsforfine-tunin

Explain how the JVM acts as an intermediary between the Java code and the underlying operating system.Explain how the JVM acts as an intermediary between the Java code and the underlying operating system.Apr 29, 2025 am 12:23 AM

JVM works by converting Java code into machine code and managing resources. 1) Class loading: Load the .class file into memory. 2) Runtime data area: manage memory area. 3) Execution engine: interpret or compile execution bytecode. 4) Local method interface: interact with the operating system through JNI.

Explain the role of the Java Virtual Machine (JVM) in Java's platform independence.Explain the role of the Java Virtual Machine (JVM) in Java's platform independence.Apr 29, 2025 am 12:21 AM

JVM enables Java to run across platforms. 1) JVM loads, validates and executes bytecode. 2) JVM's work includes class loading, bytecode verification, interpretation execution and memory management. 3) JVM supports advanced features such as dynamic class loading and reflection.

What steps would you take to ensure a Java application runs correctly on different operating systems?What steps would you take to ensure a Java application runs correctly on different operating systems?Apr 29, 2025 am 12:11 AM

Java applications can run on different operating systems through the following steps: 1) Use File or Paths class to process file paths; 2) Set and obtain environment variables through System.getenv(); 3) Use Maven or Gradle to manage dependencies and test. Java's cross-platform capabilities rely on the JVM's abstraction layer, but still require manual handling of certain operating system-specific features.

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment

MantisBT

MantisBT

Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

SecLists

SecLists

SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

DVWA

DVWA

Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software