feat: 不带水印下载接口

2024-01-02 10:07:26 +08:00
parent b77af10c65
commit d4e6b778af
2 changed files with 45 additions and 101 deletions
@@ -86,75 +86,4 @@ public class LawsCommonController {
        return Result.OK(lawsCommonService.getSplitsByStandardNumber(standardNumber));
    }

-
-    /**
-     * 下载带水印的PDF文件
-     *
-     * @param id 传入文件id
-     * @param response
-     */
-    @ApiOperation(value="PDF带水印下载", notes="PDF带水印下载")
-    @GetMapping(value = "/downloadWithWaterMark/{id}")
-    public void downloadWithWaterMark(@PathVariable String id, HttpServletResponse response) {
-        // 查询数据表数据是否存在
-        LambdaQueryWrapper<OSSFile> queryWrapper = new LambdaQueryWrapper<>();
-        queryWrapper.eq(OSSFile::getId, id);
-        OSSFile ossFile = ossFileService.getOne(queryWrapper);
-        if (null == ossFile) {
-            throw new JeroBootException("文件不存在..");
-        }
-        String fileUrl = ossFile.getUrl();
-        // minio 下载
-        // 通过MinioUtil查询时 只需要桶后面的路径
-        String minioUrl = MinioUtil.getMinioUrl();
-        // Linux/unix 系统下文件路径分隔符为"/" 获取minio与存储桶的路径
-        minioUrl = minioUrl + MinioUtil.getBucketName() + "/";
-        String url = fileUrl.replace(minioUrl, "");
-        // 文件名称
-        String fileName = ossFile.getFileName();
-        response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes(StandardCharsets.UTF_8), StandardCharsets.ISO_8859_1));
-        // 设置强制下载不打开
-        response.setContentType("application/force-download");
-        // 然后在您的controller方法中：
-        if ("pdf".equalsIgnoreCase(FileUtil.extName(fileName))) {
-            try (InputStream originalInputStream = MinioUtil.getMinioFile(MinioUtil.getBucketName(), url);
-                 InputStream watermarkedInputStream = waterMarkUtil.addWatermarkToPdf(originalInputStream);
-                 OutputStream outputStream = response.getOutputStream()) {
-
-                if (originalInputStream == null) {
-                    return;
-                }
-
-                byte[] buf = new byte[1024];
-                int len;
-                while ((len = watermarkedInputStream.read(buf)) > 0) {
-                    outputStream.write(buf, 0, len);
-                }
-                response.flushBuffer();
-
-            } catch (Exception e) {
-                log.error(e.getMessage());
-                response.setStatus(404);
-                e.printStackTrace();
-            }
-        } else {
-            try (InputStream inputStream = MinioUtil.getMinioFile(MinioUtil.getBucketName(), url);
-                 OutputStream outputStream = response.getOutputStream()
-            ) {
-                byte[] buf = new byte[1024];
-                int len;
-                if(inputStream==null) {
-                    return;
-                }
-                while ((len = inputStream.read(buf)) > 0) {
-                    outputStream.write(buf, 0, len);
-                }
-                response.flushBuffer();
-            } catch (Exception e){
-                log.error(e.getMessage());
-                response.setStatus(404);
-                e.printStackTrace();
-            }
-        }
-    }
 }