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桌码下载修改

This commit is contained in:
张松 2025-02-28 09:53:50 +08:00
parent f9343694d7
commit a8ad15932a
1 changed files with 8 additions and 6 deletions
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14
cash-service/account-service/src/main/java/com/czg/service/account/service/impl/ShopTableServiceImpl.java
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@ -114,7 +114,7 @@ public class ShopTableServiceImpl extends ServiceImpl<ShopTableMapper, ShopTable
// 预生成所有二维码数据和记录，避免在写入ZIP过程中出现异常
List<ShopTableCode> codeList = new ArrayList<>();
List<ByteArrayOutputStream> qrBytesList = new ArrayList<>();
List<byte[]> qrBytesList = new ArrayList<>();
List<String> fileNames = new ArrayList<>();
for (int i = 0; i < num; i++) {
@ -129,7 +129,8 @@ public class ShopTableServiceImpl extends ServiceImpl<ShopTableMapper, ShopTable
BufferedImage qrImage = QrCodeUtil.generate(tableCode, 300, 300);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImgUtil.write(qrImage, ImgUtil.IMAGE_TYPE_PNG, baos);
qrBytesList.add(baos);
qrBytesList.add(baos.toByteArray());
baos.close();
fileNames.add(tableCode + ".png");
}
@ -143,18 +144,19 @@ public class ShopTableServiceImpl extends ServiceImpl<ShopTableMapper, ShopTable
// 写入ZIP文件
try (ZipOutputStream zipOut = new ZipOutputStream(response.getOutputStream())) {
ZipOutputStream zipOut = new ZipOutputStream(response.getOutputStream());
try {
for (int i = 0; i < num; i++) {
ZipEntry entry = new ZipEntry(fileNames.get(i));
zipOut.putNextEntry(entry);
ByteArrayOutputStream byteArrayOutputStream = qrBytesList.get(i);
byte[] byteArray = byteArrayOutputStream.toByteArray();
byte[] byteArray = qrBytesList.get(i);
zipOut.write(byteArray, 0, byteArray.length);
zipOut.flush();
zipOut.closeEntry();
byteArrayOutputStream.close();
}
}finally {
zipOut.finish();
zipOut.close();
}
}