123

ace-common/pom.xml

@@ -143,6 +143,14 @@
             <scope>compile</scope>
         </dependency>
 
+
+        <!-- 生成二维码 -->
+        <dependency>
+            <groupId>com.google.zxing</groupId>
+            <artifactId>core</artifactId>
+            <version>3.0.1</version>
+        </dependency>
+
         <!-- excel 组件 -->
         <dependency>
             <groupId>org.apache.poi</groupId>

ace-common/src/main/java/com/github/wxiaoqi/security/common/util/QrCodeUtil.java

+package com.github.wxiaoqi.security.common.util;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.common.BitMatrix;
+
+import javax.imageio.ImageIO;
+import javax.swing.filechooser.FileSystemView;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+public class QrCodeUtil {
+
+
+    public static void main(String[] args)
+    {
+        String url = "https://xxtest.upyuns.com/h5/appHtml/view/Settlement.html";
+        //path 二维码存放路径
+        String path = FileSystemView.getFileSystemView().getHomeDirectory() + File.separator + "testQrcode";
+        //fileName 二维码图片名称
+        String fileName = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()) + ".jpg";
+        createQrCode(url, path, fileName);
+    }
+
+    public static String createQrCode(String url, String path, String fileName)
+    {
+        try
+        {
+            Map<EncodeHintType, String> hints = new HashMap<>();
+            hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
+            BitMatrix bitMatrix = new MultiFormatWriter().encode(url, BarcodeFormat.QR_CODE, 400, 400, hints);
+            File file = new File(path, fileName);
+            if (file.exists()
+                    || ((file.getParentFile().exists() || file.getParentFile().mkdirs()) && file.createNewFile()))
+            {
+                writeToFile(bitMatrix, "jpg", file);
+                System.out.println("搞定：" + file);
+            }
+        } catch (Exception e)
+        {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    static void writeToFile(BitMatrix matrix, String format, File file) throws IOException
+    {
+        BufferedImage image = toBufferedImage(matrix);
+        if (!ImageIO.write(image, format, file))
+        {
+            throw new IOException("Could not write an image of format " + format + " to " + file);
+        }
+    }
+
+    static void writeToStream(BitMatrix matrix, String format, OutputStream stream) throws IOException
+    {
+        BufferedImage image = toBufferedImage(matrix);
+        if (!ImageIO.write(image, format, stream))
+        {
+            throw new IOException("Could not write an image of format " + format);
+        }
+    }
+
+    private static final int BLACK = 0xFF000000;
+    private static final int WHITE = 0xFFFFFFFF;
+
+    private static BufferedImage toBufferedImage(BitMatrix matrix)
+    {
+        int width = matrix.getWidth();
+        int height = matrix.getHeight();
+        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+        for (int x = 0; x < width; x++)
+        {
+            for (int y = 0; y < height; y++)
+            {
+                image.setRGB(x, y, matrix.get(x, y) ? BLACK : WHITE);
+            }
+        }
+        return image;
+    }
+}

ace-common/src/main/java/com/github/wxiaoqi/security/common/util/ZXingCode.java

+package com.github.wxiaoqi.security.common.util;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+import org.apache.commons.lang3.StringUtils;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+public class ZXingCode {
+
+
+
+     private static final int QRCOLOR = 0xFF000000; // 默认是黑色
+     private static final int BGWHITE = 0xFFFFFFFF; // 背景颜色
+
+     private static final int WIDTH = 400; // 二维码宽
+     private static final int HEIGHT = 400; // 二维码高
+
+             // 用于设置QR二维码参数
+     private static Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>() {
+         private static final long serialVersionUID = 1L;
+         {
+             put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);// 设置QR二维码的纠错级别（H为最高级别）具体级别信息
+             put(EncodeHintType.CHARACTER_SET, "utf-8");// 设置编码方式
+             put(EncodeHintType.MARGIN, 0);
+         }
+      };
+
+      public static void main(String[] args) throws WriterException {
+         File logoFile = new File("D:\\hezhen\\upload\\qrcode/logo3.png");
+         File QrCodeFile = new File("D:\\hezhen\\upload/qrcode/05.png");
+         String url = "https://www.baidu.com/";
+         String note = "访问百度连接";
+         drawLogoQRCode(logoFile, QrCodeFile, url, note);
+     }
+
+    // 生成带logo的二维码图片
+    public static void drawLogoQRCode(File logoFile, File codeFile, String qrUrl, String note) {
+        try {
+            MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
+            // 参数顺序分别为：编码内容，编码类型，生成图片宽度，生成图片高度，设置参数
+            BitMatrix bm = multiFormatWriter.encode(qrUrl, BarcodeFormat.QR_CODE, WIDTH, HEIGHT, hints);
+            BufferedImage image = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
+
+            // 开始利用二维码数据创建Bitmap图片，分别设为黑（0xFFFFFFFF）白（0xFF000000）两色
+            for (int x = 0; x < WIDTH; x++) {
+                for (int y = 0; y < HEIGHT; y++) {
+                    image.setRGB(x, y, bm.get(x, y) ? QRCOLOR : BGWHITE);
+                }
+            }
+
+            int width = image.getWidth();
+            int height = image.getHeight();
+            if (Objects.nonNull(logoFile) && logoFile.exists()) {
+                // 构建绘图对象
+                Graphics2D g = image.createGraphics();
+                // 读取Logo图片
+                BufferedImage logo = ImageIO.read(logoFile);
+                // 开始绘制logo图片
+                g.drawImage(logo, width * 2 / 5, height * 2 / 5, width * 2 / 10, height * 2 / 10, null);
+                g.dispose();
+                logo.flush();
+            }
+
+            // 自定义文本描述
+            if (StringUtils.isNotEmpty(note)) {
+                // 新的图片，把带logo的二维码下面加上文字
+                BufferedImage outImage = new BufferedImage(400, 445, BufferedImage.TYPE_4BYTE_ABGR);
+                Graphics2D outg = outImage.createGraphics();
+                // 画二维码到新的面板
+                outg.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
+                // 画文字到新的面板
+                outg.setColor(Color.BLACK);
+                outg.setFont(new Font("楷体", Font.BOLD, 30)); // 字体、字型、字号
+                int strWidth = outg.getFontMetrics().stringWidth(note);
+                if (strWidth > 399) {
+                    // //长度过长就截取前面部分
+                    // 长度过长就换行
+                    String note1 = note.substring(0, note.length() / 2);
+                    String note2 = note.substring(note.length() / 2, note.length());
+                    int strWidth1 = outg.getFontMetrics().stringWidth(note1);
+                    int strWidth2 = outg.getFontMetrics().stringWidth(note2);
+                    outg.drawString(note1, 200 - strWidth1 / 2, height + (outImage.getHeight() - height) / 2 + 12);
+                    BufferedImage outImage2 = new BufferedImage(400, 485, BufferedImage.TYPE_4BYTE_ABGR);
+                    Graphics2D outg2 = outImage2.createGraphics();
+                    outg2.drawImage(outImage, 0, 0, outImage.getWidth(), outImage.getHeight(), null);
+                    outg2.setColor(Color.BLACK);
+                    outg2.setFont(new Font("宋体", Font.BOLD, 30)); // 字体、字型、字号
+                    outg2.drawString(note2, 200 - strWidth2 / 2, outImage.getHeight() + (outImage2.getHeight() - outImage.getHeight()) / 2 + 5);
+                    outg2.dispose();
+                    outImage2.flush();
+                    outImage = outImage2;
+                } else {
+                    outg.drawString(note, 200 - strWidth / 2, height + (outImage.getHeight() - height) / 2 + 12); // 画文字
+                }
+                outg.dispose();
+                outImage.flush();
+                image = outImage;
+            }
+            image.flush();
+
+            ImageIO.write(image, "png", codeFile); // TODO
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+
+
+
+}