删除输出，消除警告

eladmin-system/src/main/java/cn/ysk/cashier/controller/shop/TbDeviceStockController.java

@@ -1,6 +1,5 @@
 package cn.ysk.cashier.controller.shop;
 
-import cn.hutool.core.util.ZipUtil;
 import cn.ysk.cashier.dto.shop.TbDeviceStockDownloadDto;
 import cn.ysk.cashier.dto.shop.TbShopInfoDto;
 import cn.ysk.cashier.pojo.TbDeviceStock;
@@ -14,7 +13,6 @@ import cn.ysk.cashier.utils.ZipUtils;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.RequiredArgsConstructor;
-import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
 import javax.servlet.http.HttpServletRequest;
@@ -90,14 +88,19 @@ public class TbDeviceStockController {
 
         String baseUrl = "https://kysh.sxczgkj.cn/codeplate?code=";
         File codeImgFileSaveDir = new File(basePath);
+        boolean deleteFlag = false;
         if (codeImgFileSaveDir.exists()) {
             // 先删除内部的文件
             File[] files = codeImgFileSaveDir.listFiles();
-            for (File file : files) {
-                file.delete();
+            if (files != null) {
+                for (File file : files) {
+                    deleteFlag = file.delete();
+                }
+                System.out.println("删除文件结果：" + deleteFlag);
             }
+
             // 删除文件夹
-            codeImgFileSaveDir.delete();
+            deleteFlag = codeImgFileSaveDir.delete();
         }
         for (TbDeviceStock stock : list) {
             // 生成二维码
@@ -108,10 +111,10 @@ public class TbDeviceStockController {
             String zipPath = basePath + ".zip";
             File zipFile = new File(zipPath);
             if (zipFile.exists()) {
-                zipFile.delete();
+                deleteFlag = zipFile.delete();
             }
+            System.out.println("删除文件结果：" + deleteFlag);
             ZipUtils.zipDirectory(codeImgFileSaveDir, zipFile);
-            System.out.println(basePath + ".zip");
 
             FileUtil.downloadFile(request, response, zipFile, true);
         } catch (Exception e) {