2.0.0项目初始化

datax-common/datax-common-core/pom.xml

@@ -15,7 +15,7 @@
         <!-- SpringWeb模块 -->
         <dependency>
             <groupId>org.springframework</groupId>
-            <artifactId>spring-web</artifactId>
+            <artifactId>spring-webmvc</artifactId>
             <scope>provided</scope>
         </dependency>
         <!--io常用工具类 -->

datax-common/datax-common-qrcode/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>datax-common</artifactId>
+        <groupId>cn.datax</groupId>
+        <version>2.0.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <version>2.0.0</version>
+    <artifactId>datax-common-qrcode</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.google.zxing</groupId>
+            <artifactId>core</artifactId>
+            <version>${zxing.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.zxing</groupId>
+            <artifactId>javase</artifactId>
+            <version>${zxing.version}</version>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file

datax-common/datax-common-qrcode/src/main/java/cn/datax/common/qrcode/QrCodeUtil.java

+package cn.datax.common.qrcode;
+
+import java.awt.*;
+import java.awt.geom.RoundRectangle2D;
+import java.awt.image.BufferedImage;
+import java.io.*;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.imageio.ImageIO;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.BinaryBitmap;
+import com.google.zxing.DecodeHintType;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.MultiFormatReader;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.NotFoundException;
+import com.google.zxing.Result;
+import com.google.zxing.WriterException;
+import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
+import com.google.zxing.client.j2se.MatrixToImageConfig;
+import com.google.zxing.client.j2se.MatrixToImageWriter;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.common.HybridBinarizer;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * 二维码 工具类
+ */
+@Slf4j
+public class QrCodeUtil {
+
+    /**
+     * 生成带图片的二维码(到destImagePath指向的File)
+     *
+     * @param content         二维码的内容
+     * @param width           二维码的宽度(px)
+     * @param height          二维码的高度(px)
+     * @param embeddedImgPath 被镶嵌的图片的地址(null表示不带logo图片)
+     * @param destImagePath   生成二维码图片的地址
+     *
+     * @return 生成的二维码文件path
+     * @throws IOException     IOException
+     * @throws WriterException WriterException
+     */
+    public static String QREncode(String content, int width, int height, String embeddedImgPath, String destImagePath) throws IOException, WriterException {
+        File dest = getFile(destImagePath);
+        // 图像类型
+        String format = "jpg";
+        Map<EncodeHintType, Object> hints = new HashMap<>(4);
+        //设置UTF-8， 防止中文乱码
+        hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
+        //设置二维码四周白色区域的大小
+        hints.put(EncodeHintType.MARGIN, 1);
+        //设置二维码的容错性
+        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
+        //画二维码，记得调用multiFormatWriter.encode()时最后要带上hints参数，不然上面设置无效
+        BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height, hints);
+        //开始画二维码
+        MatrixToImageWriter.writeToPath(bitMatrix, format, dest.toPath());
+        if (null != embeddedImgPath){
+            MatrixToImageConfig matrixToImageConfig = new MatrixToImageConfig(0xFF000001, 0xFFFFFFFF);
+            BufferedImage bufferedImage = LogoMatrix(MatrixToImageWriter.toBufferedImage(bitMatrix, matrixToImageConfig), embeddedImgPath);
+            //输出带logo图片
+            ImageIO.write(bufferedImage, format, dest);
+        }
+        log.info("generate Qr code file {}", destImagePath);
+        return destImagePath;
+    }
+
+    /**
+     * 生成带图片的二维码(到outputStream流)
+     *
+     * @param content         二维码的内容
+     * @param width           二维码的宽度(px)
+     * @param height          二维码的高度(px)
+     * @param embeddedImgPath 被镶嵌的图片的地址(null表示不带logo图片)
+     * @param outputStream   生成二维码图片的地址
+     *
+     * @return 生成的二维码文件path
+     * @throws IOException     IOException
+     * @throws WriterException WriterException
+     */
+    public static void QREncode(String content, int width, int height, String embeddedImgPath, OutputStream outputStream) throws IOException, WriterException {
+        // 图像类型
+        String format = "jpg";
+        Map<EncodeHintType, Object> hints = new HashMap<>(4);
+        //设置UTF-8， 防止中文乱码
+        hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
+        //设置二维码四周白色区域的大小
+        hints.put(EncodeHintType.MARGIN, 1);
+        //设置二维码的容错性
+        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
+        //画二维码，记得调用multiFormatWriter.encode()时最后要带上hints参数，不然上面设置无效
+        BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height, hints);
+        //开始画二维码
+        MatrixToImageConfig matrixToImageConfig = new MatrixToImageConfig(0xFF000001, 0xFFFFFFFF);
+        BufferedImage bufferedImage = MatrixToImageWriter.toBufferedImage(bitMatrix, matrixToImageConfig);
+        if (null != embeddedImgPath){
+            bufferedImage = LogoMatrix(bufferedImage, embeddedImgPath);
+        }
+        //输出带logo图片
+        boolean result = ImageIO.write(bufferedImage, format, outputStream);
+        log.info("generate Qr code file to OutputStream {}", result ? "success" : "fail");
+    }
+
+    /**
+     * 识别二维码内容信息
+     *
+     * @param file 二维码图片文件
+     *
+     * @return 二维码内容
+     * @throws NotFoundException NotFoundException
+     * @throws IOException       IOException
+     */
+    public static String QRReader(File file) throws NotFoundException, IOException {
+        BufferedImage bufferedImage;
+        bufferedImage = ImageIO.read(file);
+        if (bufferedImage == null) {
+            return null;
+        }
+        String data = decodeQrCode(bufferedImage);
+        bufferedImage.flush();
+        log.info("Qr code from [{}] data is -> {}", file.getAbsolutePath(), data);
+        return data;
+    }
+
+    /**
+     * 识别二维码内容信息
+     *
+     * @param is 二维码图片文件流
+     *
+     * @return 二维码内容
+     * @throws NotFoundException NotFoundException
+     * @throws IOException       IOException
+     */
+    public static String QRReader(InputStream is) throws NotFoundException, IOException {
+        BufferedImage bufferedImage;
+        bufferedImage = ImageIO.read(is);
+        if (bufferedImage == null) {
+            return null;
+        }
+        String data = decodeQrCode(bufferedImage);
+        bufferedImage.flush();
+        log.info("Qr code from InputStream data is -> {}", data);
+        return data;
+    }
+
+    // ---------------------------------------------------以下为辅助方法、辅助类-----------------------------------------
+
+    /**
+     * 获取文件(顺带创建文件夹，如果需要的话)
+     *
+     * @param filePath 文件path
+     * @return 文件对象
+     */
+    private static File getFile(String filePath) {
+        File file = new File(filePath);
+        if (!file.getParentFile().exists()) {
+            boolean result = file.getParentFile().mkdirs();
+            log.info("create directory {} {}", file.getParent(), result);
+        }
+        return file;
+    }
+
+    /**
+     * 二维码添加logo
+     *
+     * @param matrixImage 源二维码图片
+     * @param embeddedImgPath logo图片地址
+     * @return 返回带有logo的二维码图片
+     */
+    public static BufferedImage LogoMatrix(BufferedImage matrixImage, String embeddedImgPath) throws IOException{
+        /**
+         * 读取二维码图片，并构建绘图对象
+         */
+        Graphics2D g2 = matrixImage.createGraphics();
+        int matrixWidth = matrixImage.getWidth();
+        int matrixHeigh = matrixImage.getHeight();
+        /**
+         * 读取Logo图片
+         */
+        File logoFile = getFile(embeddedImgPath);
+        BufferedImage logo = ImageIO.read(logoFile);
+        // 开始绘制图片
+        g2.drawImage(logo, matrixWidth/5*2, matrixHeigh/5*2, matrixWidth/5, matrixHeigh/5, null);
+        BasicStroke stroke = new BasicStroke(5, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
+        // 设置笔画对象
+        g2.setStroke(stroke);
+        // 指定弧度的圆角矩形
+        RoundRectangle2D.Float round = new RoundRectangle2D.Float(matrixWidth/5*2, matrixHeigh/5*2, matrixWidth/5, matrixHeigh/5, 20, 20);
+        g2.setColor(Color.white);
+        // 绘制圆弧矩形
+        g2.draw(round);
+        // 设置logo 有一道灰色边框
+        BasicStroke stroke2 = new BasicStroke(1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
+        // 设置笔画对象
+        g2.setStroke(stroke2);
+        RoundRectangle2D.Float round2 = new RoundRectangle2D.Float(matrixWidth/5*2+2, matrixHeigh/5*2+2, matrixWidth/5-4, matrixHeigh/5-4, 20, 20);
+        g2.setColor(new Color(128, 128, 128));
+        // 绘制圆弧矩形
+        g2.draw(round2);
+        g2.dispose();
+        matrixImage.flush();
+        return matrixImage;
+    }
+
+    /**
+     * 识别二维码内容信息
+     *二维码图片信息BufferedImage
+     * @param image
+     *
+     * @return 二维码内容
+     * @throws NotFoundException NotFoundException
+     */
+    private static String decodeQrCode(BufferedImage image) throws NotFoundException {
+        BufferedImageLuminanceSource source = new BufferedImageLuminanceSource(image);
+        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
+        HashMap<DecodeHintType, Object> hints = new HashMap<>(4);
+        hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
+        Result result = new MultiFormatReader().decode(bitmap, hints);
+        return result.getText();
+    }
+
+    public static void main(String[] args) throws IOException, WriterException, NotFoundException {
+        // 生成二维码
+//        QrCodeUtil.QREncode("java开发", 500, 500, null, "F://qrcode2//二维码.jpg");
+//        // 生成带图片的二维码
+//        QrCodeUtil.QREncode("java开发", 500, 500, "F://qrcode2//1.jpg", "F://qrcode2//带图片的二维码.jpg");
+//        // 识别二维码
+//        QrCodeUtil.QRReader(new File("F://qrcode2//二维码.jpg"));
+//        QrCodeUtil.decodeQrCode(new FileInputStream("F://qrcode//带文字带图片的二维码.jpg"));
+    }
+}

datax-common/pom.xml

@@ -21,5 +21,6 @@
         <module>datax-common-database</module>
         <module>datax-common-office</module>
         <module>datax-common-dictionary</module>
+        <module>datax-common-qrcode</module>
     </modules>
 </project>
\ No newline at end of file

pom.xml

@@ -46,6 +46,7 @@
     <oracle.version>19.3.0.0</oracle.version>
     <postgresql.version>42.2.11</postgresql.version>
     <sqlserver.version>8.2.1.jre8</sqlserver.version>
+    <zxing.version>3.4.0</zxing.version>
     <aspose.version>20.3</aspose.version>
   </properties>