https://github.com/lightweight-component/aj-qrcode

A Lightweight QR Code
https://github.com/lightweight-component/aj-qrcode

qrcode qrcode-generator

Last synced: about 2 months ago
JSON representation

A Lightweight QR Code

• Host: GitHub
• URL: https://github.com/lightweight-component/aj-qrcode
• Owner: lightweight-component
• License: apache-2.0
• Created: 2024-06-13T01:02:55.000Z (almost 2 years ago)
• Default Branch: main
• Last Pushed: 2024-06-25T04:06:35.000Z (almost 2 years ago)
• Last Synced: 2025-01-16T21:25:06.449Z (over 1 year ago)
• Topics: qrcode, qrcode-generator
• Language: Java
• Size: 79.1 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

          
[![Maven Central](https://img.shields.io/maven-central/v/com.ajaxjs/aj-qrcode?label=Latest%20Release)](https://central.sonatype.com/artifact/com.ajaxjs/aj-qrcode)

[![Javadoc](https://img.shields.io/badge/javadoc-1.0-brightgreen.svg?)](https://dev.ajaxjs.com/docs/javadoc/aj-qrcode/)

[![License](https://img.shields.io/badge/license-Apache--2.0-green.svg?longCache=true&style=flat)](http://www.apache.org/licenses/LICENSE-2.0.txt)

[![Email](https://img.shields.io/badge/Contact--me-Email-orange.svg)](mailto:frank@ajaxjs.com)

[![QQ群](https://framework.ajaxjs.com/static/qq.svg)](https://shang.qq.com/wpa/qunwpa?idkey=3877893a4ed3a5f0be01e809e7ac120e346102bd550deb6692239bb42de38e22)

# QR Code Generator

Forks from https://github.com/nayuki/QR-Code-generator. Puts normal version and fast version in one project.

Tutorial: https://zhangxin.blog.csdn.net/article/details/139821806.

Java Documents: https://dev.ajaxjs.com/docs/javadoc/aj-qrcode/.

## Install

```xml

    com.ajaxjs

    aj-qrcode

    1.0

```

## Usage

```java

String text = "Hello, world!";          // User-supplied Unicode text

Ecc errCorLvl = Ecc.LOW;  // Error correction level

QrCode qr = QrCode.encodeText(text, errCorLvl);  // Make the QR Code symbol

BufferedImage img = Utils.toImage(qr, 10, 4);          // Convert to bitmap image

File imgFile = new File("hello-world-QR.png");   // File path for output

ImageIO.write(img, "png", imgFile);              // Write image to file

String svg = Utils.toSvgString(qr, 4, "#FFFFFF", "#000000");  // Convert to SVG XML code

File svgFile = new File("c:\\temp\\hello-world-QR.svg");          // File path for output

Files.write(svgFile.toPath(), svg.getBytes(StandardCharsets.UTF_8)); // Write image to file

```