java生成圆形二维码

Java生成圆形二维码的步骤如下：

1. 首先，你需要导入相关的库文件。你可以使用zxing库来生成二维码。在项目的`pom.xml`文件中添加以下依赖项：

<dependency>
    <groupId>com.google.zxing</groupId>
    <artifactId>core</artifactId>
    <version>3.4.1</version>
</dependency>
<dependency>
    <groupId>com.google.zxing</groupId>
    <artifactId>javase</artifactId>
    <version>3.4.1</version>
</dependency>

2. 创建一个Java类，用于生成圆形二维码。你可以使用以下代码示例：

import com.google.zxing.BarcodeFormat;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.Ellipse2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class CircleQRCodeGenerator {
    public static void main(String[] args) {
        int size = 300; // 二维码尺寸
        String content = "Your Content"; // 二维码内容

        try {
            // 创建QRCodeWriter对象
            QRCodeWriter qrCodeWriter = new QRCodeWriter();
            // 生成二维码的BitMatrix对象
            BitMatrix bitMatrix = qrCodeWriter.encode(content, BarcodeFormat.QR_CODE, size, size);

            // 创建一个BufferedImage对象，并设置其维度和类型
            BufferedImage bufferedImage = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
            Graphics2D graphics = (Graphics2D) bufferedImage.getGraphics();

            // 将二维码绘制到BufferedImage对象上
            graphics.setColor(Color.WHITE);
            graphics.fillRect(0, 0, size, size);
            graphics.setColor(Color.BLACK);
            for (int i = 0; i < size; i++) {
                for (int j = 0;
#### 引用[.reference_title]
-  *1* [基于Java Web的智能二维码门禁管理系统（本科毕业论文+毕业设计）](https://download.csdn.net/download/qq_35831906/88227131)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 100%"]
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