## 分享图；

bd-third/src/main/java/com/hzs/third/share/service/impl/TShareCodeServiceImpl.java

@@ -5,7 +5,7 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.hzs.common.core.config.OssConfig;
 import com.hzs.common.core.enums.EShareType;
-import com.hzs.common.core.utils.BarCodeUtils;
+import com.hzs.third.share.unit.BarCodeUtils;
 import com.hzs.common.domain.third.share.TShareCode;
 import com.hzs.third.share.dto.ShareServiceDTO;
 import com.hzs.third.share.mapper.TShareCodeMapper;

bd-third/src/main/java/com/hzs/third/share/unit/BarCodeUtils.java

@@ -1,24 +1,24 @@
-package com.hzs.common.core.utils;
+package com.hzs.third.share.unit;
 
 import com.google.zxing.BarcodeFormat;
 import com.google.zxing.EncodeHintType;
 import com.google.zxing.client.j2se.MatrixToImageWriter;
 import com.google.zxing.common.BitMatrix;
 import com.google.zxing.qrcode.QRCodeWriter;
+import com.hzs.common.core.utils.OssUtil;
 import lombok.extern.slf4j.Slf4j;
 
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.File;
 import java.io.InputStream;
 import java.util.HashMap;
 import java.util.Map;
 
 /**
- * @author: sui q
- * @time: 2021/11/23 11:02
- * @description: 条形码+文字 生成
- * @classname: BarCodeUtils
- * @package_name: com.hzs.web.util
+ * 条形码+文字 生成
  */
 @Slf4j
 public class BarCodeUtils {
@@ -32,21 +32,30 @@ public class BarCodeUtils {
     public static String createZeroQRCode(String contents) {
         String filePath = "";
         try {
-            String ext = "png";
+            String ext = "jpg";
 
             Map<EncodeHintType, Object> hints = new HashMap<>();
             // 生成二维码时，白边框间隔距离
             hints.put(EncodeHintType.MARGIN, 1);
             QRCodeWriter qrCodeWriter = new QRCodeWriter();
-            BitMatrix bitMatrix = qrCodeWriter.encode(contents, BarcodeFormat.QR_CODE, 320, 320, hints);
-
+            BitMatrix bitMatrix = qrCodeWriter.encode(contents, BarcodeFormat.QR_CODE, 260, 260, hints);
             ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
-
             MatrixToImageWriter.writeToStream(bitMatrix, ext, byteArrayOutputStream);
             final InputStream inputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
 
+            ImageComposer composer = new ImageComposer();
+            // 加载背景图
+            BufferedImage baseImage = composer.loadBaseImage();
+            // 合成图片
+            BufferedImage composedImage = composer.composeImages(baseImage, ImageIO.read(inputStream));
+
+            ByteArrayOutputStream os = new ByteArrayOutputStream();
+            ImageIO.write(composedImage, "png", os);
+            final InputStream is = new ByteArrayInputStream(os.toByteArray());
+
             // 上传OSS
-            filePath = OssUtil.uploadFileForStream(inputStream, ext, "shareCode", null);
+            filePath = OssUtil.uploadFileForStream(is, ext, "shareCode", null);
+//            filePath = OssUtil.uploadFileForStream(inputStream, ext, "shareCode", null);
         } catch (Exception e) {
             log.error("createZeroQRCode error! contents: {}", contents, e);
         }

bd-third/src/main/java/com/hzs/third/share/unit/ImageComposer.java

@@ -0,0 +1,64 @@
+package com.hzs.third.share.unit;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import javax.imageio.ImageIO;
+
+public class ImageComposer {
+
+    public BufferedImage loadImage(String filePath) throws IOException {
+        return ImageIO.read(new File(filePath));
+    }
+
+    public BufferedImage loadBaseImage() throws IOException {
+        InputStream inputStream = ImageComposer.class.getClassLoader().getResourceAsStream("share.jpg");
+        return ImageIO.read(inputStream);
+    }
+
+    public BufferedImage composeImages(BufferedImage baseImage, BufferedImage overlayImage) {
+        int overlayWidth = 255;
+        int overlayHeight = 255;
+
+        BufferedImage composedImage = new BufferedImage(
+                baseImage.getWidth(),
+                baseImage.getHeight(),
+                BufferedImage.TYPE_INT_ARGB
+        );
+
+        Graphics2D g2d = composedImage.createGraphics();
+        g2d.drawImage(baseImage, 0, 0, null);
+        g2d.drawImage(overlayImage, 829, 1547, overlayWidth, overlayHeight, null);
+        Font font = new Font("Serif", Font.BOLD, 55);
+        g2d.setFont(font);
+        g2d.drawString("BL****5678", 500, 2425);
+        g2d.dispose();
+
+        return composedImage;
+    }
+
+    public void saveImage(BufferedImage image, String filePath) throws IOException {
+        ImageIO.write(image, "png", new File(filePath));
+    }
+
+//    public static void main(String[] args) {
+//        try {
+//            ImageComposer composer = new ImageComposer();
+//
+//            // 加载图片
+//            BufferedImage baseImage = composer.loadImage("d://图片合成//base.jpg");
+//            BufferedImage overlayImage = composer.loadImage("d://图片合成//code.png");
+//
+//            // 合成图片
+//            BufferedImage composedImage = composer.composeImages(baseImage, overlayImage);
+//            // 保存合成后的图片
+//            composer.saveImage(composedImage, "d://图片合成//print.jpg");
+//            System.out.println("图片合成成功！");
+//        } catch (IOException e) {
+//            e.printStackTrace();
+//        }
+//    }
+
+}