打包策略改变

cash-service/account-service/src/main/java/com/czg/service/account/service/impl/ShopTableServiceImpl.java

@@ -25,6 +25,7 @@ import com.mybatisflex.spring.service.impl.ServiceImpl;
 import jakarta.annotation.Resource;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.dubbo.config.annotation.DubboService;
 
 import java.awt.image.BufferedImage;
@@ -44,6 +45,7 @@ import java.util.zip.ZipOutputStream;
  * @author zs
  * @since 2025-02-13
  */
+@Slf4j
 @DubboService
 public class ShopTableServiceImpl extends ServiceImpl<ShopTableMapper, ShopTable> implements ShopTableService {
     @Resource
@@ -90,6 +92,31 @@ public class ShopTableServiceImpl extends ServiceImpl<ShopTableMapper, ShopTable
         return queryChain().eq(ShopTable::getShopId, shopId).eq(ShopTable::getTableCode, tableCode).one();
     }
 
+    public static void downloadFile(HttpServletRequest request, HttpServletResponse response, File file, boolean deleteOnExit) {
+        response.setCharacterEncoding(request.getCharacterEncoding());
+        response.setContentType("application/octet-stream");
+        FileInputStream fis = null;
+        try {
+            fis = new FileInputStream(file);
+            response.setHeader("Content-Disposition", "attachment; filename=" + file.getName());
+            IoUtil.copy(fis, response.getOutputStream());
+            response.flushBuffer();
+        } catch (Exception e) {
+            log.error(e.getMessage(), e);
+        } finally {
+            if (fis != null) {
+                try {
+                    fis.close();
+                    if (deleteOnExit) {
+                        file.deleteOnExit();
+                    }
+                } catch (IOException e) {
+                    log.error(e.getMessage(), e);
+                }
+            }
+        }
+    }
+
     @Override
     public void createQrCode(Long shopId, Integer num, HttpServletResponse response, HttpServletRequest request) throws IOException {
         // 查询 shop 下面有多少台桌
@@ -154,21 +181,8 @@ public class ShopTableServiceImpl extends ServiceImpl<ShopTableMapper, ShopTable
         String tempZipPath = tempDir + ".zip";
         ZipUtil.zip(tempDir, tempZipPath);
 
-        // 读取 ZIP 文件并写入响应流
+        downloadFile(request, response, new File(tempZipPath), true);
-        try (BufferedInputStream bis = new BufferedInputStream(new FileInputStream(tempZipPath));
-             OutputStream os = response.getOutputStream()) {
-            byte[] buffer = new byte[1024];
-            int length;
-            while ((length = bis.read(buffer)) > 0) {
-                os.write(buffer, 0, length);
-            }
-        }
 
-        // 删除临时 ZIP 文件和二维码图片目录
-        File tempZipFile = new File(tempZipPath);
-        if (tempZipFile.exists()) {
-            tempZipFile.delete();
-        }
 
         if (dir.exists()) {
             for (File file : Objects.requireNonNull(dir.listFiles())) {