添加生成课程码的功能

pom.xml

@@ -207,6 +207,13 @@
             <version>2.6</version>
         </dependency>
 
+        <!--图片合成-->
+        <dependency>
+            <groupId>com.freewayso</groupId>
+            <artifactId>image-combiner</artifactId>
+            <version>2.6.9</version>
+        </dependency>
+
 
 
 

src/main/java/com/greenorange/promotion/controller/wechat/WechatGetQrcodeController.java

@@ -3,6 +3,8 @@ package com.greenorange.promotion.controller.wechat;
 
 import cn.hutool.http.HttpUtil;
 import cn.hutool.json.JSONUtil;
+import com.freewayso.image.combiner.ImageCombiner;
+import com.freewayso.image.combiner.enums.OutputFormat;
 import com.greenorange.promotion.annotation.RequiresPermission;
 import com.greenorange.promotion.common.BaseResponse;
 import com.greenorange.promotion.common.ErrorCode;
@@ -19,15 +21,18 @@ import jakarta.annotation.Resource;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.validation.Valid;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.core.io.FileSystemResource;
 import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
 import javax.imageio.ImageIO;
 import java.awt.image.BufferedImage;
-import java.io.ByteArrayInputStream;
+import java.io.*;
-import java.io.FileOutputStream;
+import java.nio.file.Path;
-import java.io.IOException;
+import java.nio.file.Paths;
-import java.io.InputStream;
 import java.util.Base64;
 import java.util.HashMap;
 import java.util.Map;
@@ -78,6 +83,25 @@ public class WechatGetQrcodeController {
     }
 
 
+    /**
+     * 微信小程序获取课程码
+     * @return
+     * @throws IOException
+     */
+//    @Hidden
+    @PostMapping("/get/course/qrcode")
+    @Operation(summary = "微信小程序获取课程码", description = "参数：无, 权限：所有人, 方法名：getCourseQrcode")
+//    @RequiresPermission(mustRole = UserConstant.DEFAULT_ROLE)
+    public BaseResponse<String> getCourseQrcode(@Valid @RequestBody CommonStringRequest commonStringRequest) throws Exception {
+        String inviteCode = commonStringRequest.getTemplateString();
+        String view = wechatGetQrcodeService.getWxCourseQrCode(inviteCode);
+        return ResultUtils.success(view);
+    }
+
+
+
+
+
 
 
 

src/main/java/com/greenorange/promotion/service/wechat/WechatGetQrcodeService.java

@@ -22,4 +22,10 @@ public interface WechatGetQrcodeService {
      * 微信小程序获取二维码
      */
     String getWxQrCode(String inviteCode) throws IOException;
+
+
+    /**
+     * 微信小程序获取课程码
+     */
+    String getWxCourseQrCode(String inviteCode) throws Exception;
 }

src/main/java/com/greenorange/promotion/service/wechat/impl/WechatGetQrcodeServiceImpl.java

@@ -1,14 +1,16 @@
 package com.greenorange.promotion.service.wechat.impl;
 
 
-
-import ch.qos.logback.core.util.MD5Util;
 import cn.hutool.core.io.FileUtil;
 import cn.hutool.http.HttpUtil;
 import cn.hutool.json.JSONUtil;
+import com.freewayso.image.combiner.ImageCombiner;
+import com.freewayso.image.combiner.element.TextElement;
+import com.freewayso.image.combiner.enums.BaseLine;
+import com.freewayso.image.combiner.enums.OutputFormat;
+import com.freewayso.image.combiner.enums.ZoomMode;
 import com.google.gson.Gson;
 import com.greenorange.promotion.common.ErrorCode;
-import com.greenorange.promotion.common.ResultUtils;
 import com.greenorange.promotion.config.WxAccessToken;
 import com.greenorange.promotion.exception.BusinessException;
 import com.greenorange.promotion.model.entity.FileInfo;
@@ -19,16 +21,17 @@ import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.annotation.Resource;
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.commons.lang.RandomStringUtils;
-import org.apache.commons.lang.StringUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import javax.imageio.ImageIO;
+import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.*;
-import java.util.Base64;
+import java.net.URL;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
@@ -185,4 +188,145 @@ public class WechatGetQrcodeServiceImpl implements WechatGetQrcodeService {
         fileInfoService.save(fileInfo);
         return biz + "-" + view;
     }
+
+
+
+
+    /**
+     * 微信小程序获取课程码
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public String getWxCourseQrCode(String inviteCode) throws Exception {
+        String accessToken = (String) redisTemplate.opsForValue().get(ACCESS_TOKEN_KEY);
+        if (accessToken == null) {
+            accessToken = this.getAccessToken().getAccess_token();
+        }
+        Map<String, Object> param = new HashMap<>();
+        param.put("page", "pages/loginModule/register/register");
+        param.put("scene", "invitationCode=" + inviteCode);
+        param.put("width", 430);
+        param.put("check_path", false);
+        param.put("env_version", "develop");
+        String url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" + accessToken;
+        String jsonParams = JSONUtil.toJsonStr(param);
+        byte[] responseBytes = HttpUtil.createPost(url)
+                .header("Content-Type", "application/json")
+                .body(jsonParams)
+                .execute()
+                .bodyBytes();
+
+        String courseTitle = "【早鸟42折】掌握CAD技能实战技能实战技能实战技能实战工作训练营";
+        String originalPrice = "2680元";
+        String discountPrice = "1680";
+        String discountText = "元券后价";
+        String FontType = "Microsoft YaHei UI";
+        int FontStyle = Font.PLAIN;
+
+        // 加载一张空白图像
+        String blankUrl = "https://img.picui.cn/free/2025/06/21/6856a072e9eea.png";
+        ImageCombiner combiner = new ImageCombiner(blankUrl, 341, 391, ZoomMode.WidthHeight, OutputFormat.PNG);
+
+        // 加载课程图片
+        String courseUrl = "https://img.picui.cn/free/2025/06/22/6856ef5908d4b.jpg";
+        BufferedImage courseImage = ImageIO.read(new URL(courseUrl));
+
+//        Graphics2D graphics = courseImage.createGraphics();
+//        graphics.setColor(Color.decode("#323232"));
+//        graphics.setFont(new Font("阿里巴巴普惠体", Font.PLAIN, 60));
+//        graphics.drawString("测试", 0, 80);
+//        graphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
+//        graphics.drawString("测试", 0, 160);
+//        graphics.dispose();
+
+        // 将二维码数据转换为 BufferedImage
+        BufferedImage qrImage = ImageIO.read(new ByteArrayInputStream(responseBytes));
+
+        // 缩放图片(不失真）
+        Image scaledImage = qrImage.getScaledInstance(134, 134, Image.SCALE_SMOOTH);
+        BufferedImage resizedImage = new BufferedImage(134, 134, BufferedImage.TYPE_INT_RGB);
+        resizedImage.getGraphics().drawImage(scaledImage, 0, 0, null);
+
+        combiner.setQuality(1f);
+
+        // 将课程图片合并到组合器中
+        combiner.addImageElement(courseImage, 18, 16, 306, 158, ZoomMode.WidthHeight).setRoundCorner(5).setCenter(true);
+        // 将二维码图片合并到组合器中
+        combiner.addImageElement(resizedImage, 190, 240);
+
+        // 绘制文本
+        TextElement courseTitleElement = new TextElement(courseTitle, FontType, FontStyle, 18, 20, 186);
+        courseTitleElement.setColor(Color.decode("#323232"))
+                            .setCenter(true)
+                            .setAutoBreakLine(306);
+        combiner.addElement(courseTitleElement);
+
+        TextElement originalPriceElement = new TextElement(originalPrice, FontType, FontStyle, 24, 56, 275);
+        originalPriceElement.setColor(Color.decode("#8C8C8C")).setStrikeThrough(true);
+        combiner.addElement(originalPriceElement);
+
+        TextElement discountedPriceElement = new TextElement(discountPrice, FontType, Font.BOLD, 28, 31, 343);
+        discountedPriceElement.setColor(Color.decode("#F84947")).setBaseLine(BaseLine.Base).setSpace(0.01f);
+        combiner.addElement(discountedPriceElement);
+
+        TextElement discountedTextElement = new TextElement(discountText, FontType, FontStyle, 16, discountedPriceElement.getX() + discountedPriceElement.getWidth(), 341);
+        discountedTextElement.setColor(Color.decode("#F84947")).setBaseLine(BaseLine.Base);
+        combiner.addElement(discountedTextElement);
+
+        combiner.combine();
+
+        InputStream resultStream = combiner.getCombinedImageStream();
+        byte[] resultBytes = resultStream.readAllBytes();
+        // 创建上传目录，如果不存在
+        String biz = "default";
+        String fileName = RandomStringUtils.random(8, "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789") + "." + "png";
+        // 获取文件类型
+        String fileType = FileUtil.getSuffix(fileName);
+        // 获取view值
+        String view = RandomStringUtils.random(8, "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
+        File file = new File(uploadDir + fileName);
+        if (!file.getParentFile().exists()) {
+            file.getParentFile().mkdirs();// 如果路径不存在则创建
+        }
+        // 将文件上传到目标位置
+        try (BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file), BUFFER_SIZE)) {
+            bos.write(resultBytes);
+        } catch (IOException e) {
+            throw new BusinessException(ErrorCode.OPERATION_ERROR, "文件上传失败，失败原因：" + e.getMessage());
+        }
+
+        // 获取文件大小
+        Double fileSize = file.length() / 1024.0;
+        fileSize = Double.valueOf(String.format("%.2f", fileSize));
+        // 获取文件哈希值
+        InputStream inputStream = new FileInputStream(file);
+        String hashValue = DigestUtils.sha256Hex(inputStream);
+        // 保存文件
+        FileInfo fileInfo = FileInfo.builder()
+                .name(fileName)
+                .type(fileType)
+                .size(fileSize)
+                .fileView(view)
+                .biz(biz)
+                .hashValue(hashValue)
+                .build();
+        fileInfoService.save(fileInfo);
+        return biz + "-" + view;
+    }
+
+    public static void main(String[] args) {
+        // 获取本地图形环境
+        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
+        // 列出所有可用字体家族名
+        String[] families = ge.getAvailableFontFamilyNames();
+
+        // 打印全部字体（可选）
+        System.out.println("=== Available Font Families ===");
+        Arrays.stream(families).forEach(System.out::println);
+    }
+
+
+
+
+
 }

src/main/java/com/greenorange/promotion/utils/QRCodeUtil.java

@@ -3,11 +3,14 @@ package com.greenorange.promotion.utils;
 
 import javax.imageio.ImageIO;
 import java.awt.*;
+import java.awt.font.LineBreakMeasurer;
+import java.awt.font.TextLayout;
 import java.awt.geom.Ellipse2D;
 import java.awt.geom.RoundRectangle2D;
 import java.awt.image.BufferedImage;
 import java.io.*;
 import java.net.URL;
+import java.text.AttributedString;
 
 public class QRCodeUtil {
 
@@ -128,4 +131,9 @@ public class QRCodeUtil {
     }
 
 
+
+
+
+
+
 }

src/main/resources/application-caozhe.yml

@@ -13,7 +13,7 @@ spring:
   data:
     redis:
       port: 6379
-      host: 154.8.193.216
+      host: 27.30.77.229
       database: 7
       password: Cksys6509
 

src/main/resources/application-dev.yml

@@ -13,7 +13,7 @@ spring:
   data:
     redis:
       port: 6379
-      host: 154.8.193.216
+      host: 27.30.77.229
       database: 9
       password: Cksys6509
 
@@ -28,8 +28,8 @@ spring:
 
 #文件上传和下载地址
 file:
-  upload-dir: /www/wwwroot/fileUpload_qc/
+#  upload-dir: /www/wwwroot/fileUpload_qc/
-#  upload-dir: D:/qingcheng/image/
+  upload-dir: D:/qingcheng/image/
 
 
 

src/main/resources/application-practice.yml

@@ -13,8 +13,8 @@ spring:
   data:
     redis:
       port: 6379
-      host: 154.8.193.216
+      host: 27.30.77.229
-      database: 9
+      database: 10
       password: Cksys6509
 
   servlet:

src/main/resources/application-test.yml

@@ -13,7 +13,7 @@ spring:
   data:
     redis:
       port: 6379
-      host: 154.8.193.216
+      host: 27.30.77.229
       database: 8
       password: Cksys6509
 

src/main/resources/application.yml

@@ -1,4 +1,4 @@
 spring:
   profiles:
-    active: test
+    active: dev