前言:

本文基于JAVA环境,以SpringBoot框架为根底开发。

正式开发步骤:

1、引入Maven依赖

<!--引入生成二维码的依赖--><!-- https://mvnrepository.com/artifact/com.google.zxing/core --><dependency>    <groupId>com.google.zxing</groupId>    <artifactId>core</artifactId>    <version>3.3.0</version></dependency><!-- https://mvnrepository.com/artifact/com.google.zxing/javase --><dependency>    <groupId>com.google.zxing</groupId>    <artifactId>javase</artifactId>    <version>3.3.0</version></dependency>

2、创立生成二维码工具类QRCodeGenerator.java

/** * Java生成二维码 * @date: 2022/6/16 21:21 * @author: gxw */public class QRCodeGenerator {    //生成的二维码的门路    private static String QR_CODE_IMAGE_PATH = PropertiesValues.getPropertiesValue("wx.pay.img.generator_path", "application.properties");    //正式上线前缀    private static String PAY_PREFIX = PropertiesValues.getPropertiesValue("wx.pay.img.prefix", "application.properties");    //二维码图片的宽度    private static int WIDTH = 500;    //二维码图片的高度    private static int HEIGHT = 500;    public static String generateQRCodeImage(String content) throws Exception {        QR_CODE_IMAGE_PATH = PropertiesValues.getPropertiesValue("wx.pay.img.generator_path", "application.properties");        QRCodeWriter qrCodeWriter = new QRCodeWriter();        Hashtable hints = new Hashtable();        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);//H最高容错等级        hints.put(EncodeHintType.CHARACTER_SET, "utf-8");        BitMatrix bitMatrix = qrCodeWriter.encode(content, BarcodeFormat.QR_CODE, WIDTH, HEIGHT,hints);        String imgName = RandomUtils.generateRandomString(6) + ".png";        QR_CODE_IMAGE_PATH += imgName;        File file = new File(QR_CODE_IMAGE_PATH);        if(!file.exists()){            file.mkdirs();        }        Path path = FileSystems.getDefault().getPath(QR_CODE_IMAGE_PATH);        MatrixToImageWriter.writeToPath(bitMatrix, "PNG", path);        return PAY_PREFIX + imgName;    }}

3、测试

生成胜利,能够扫码测试哟