`fix`

ruoyi-modules/ruoyi-dzbc/pom.xml

@@ -148,6 +148,12 @@
             <artifactId>ruoyi-common-oss</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>com.google.zxing</groupId>
+            <artifactId>core</artifactId>
+            <version>3.4.1</version>
+        </dependency>
+
     </dependencies>
 
 </project>

ruoyi-modules/ruoyi-dzbc/src/main/java/org/dromara/system/controller/CommonDzbcOtherController.java

@@ -1,6 +1,7 @@
 package org.dromara.system.controller;
 
 import cn.dev33.satoken.annotation.SaIgnore;
+import cn.hutool.extra.qrcode.QrCodeUtil;
 import cn.hutool.json.JSONObject;
 import cn.hutool.json.JSONUtil;
 import com.dtflys.forest.annotation.Body;
@@ -27,7 +28,9 @@ import org.dromara.system.service.ITblDzbcOrderService;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
+import java.io.IOException;
 import java.util.Deque;
+
 import java.util.Map;
 
 import org.dromara.system.domain.bo.TblDzbcCargoOrderBo;
@@ -139,6 +142,21 @@ public class CommonDzbcOtherController extends BaseController {
         }
     }
 
+    /**
+     * 生成二维码
+     * @param content 内容
+     * @param width 宽度
+     * @param height 高度
+     */
+    @SaIgnore
+    @GetMapping("/qrcode")
+    public void qrcode(String content, HttpServletResponse response,
+                       @RequestParam(defaultValue = "300") int width,
+                       @RequestParam(defaultValue = "300") int height) throws IOException {
+        response.setContentType("image/png");
+        QrCodeUtil.generate(content, width, height, "png", response.getOutputStream());
+    }
+
 
     @ResponseBody
     @Log(title = "定制班车-订单微信退款回调", businessType = BusinessType.UPDATE)