diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java index 8a8a98d7f..af3f22c55 100644 --- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java +++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/CommonController.java @@ -307,6 +307,60 @@ public class CommonController { } } + } + @GetMapping(value = "/fileView/{id}") + public void fileView(String id,HttpServletRequest request, HttpServletResponse response) { + // 查询数据表数据是否存在 + LambdaQueryWrapper queryWrapper = new LambdaQueryWrapper<>(); + queryWrapper.eq(OSSFile::getId,id); + OSSFile ossFile = ossFileService.getOne(queryWrapper); + if( null == ossFile){ + throw new JeroBootException("文件不存在.."); + } + InputStream inputStream = null; + OutputStream outputStream = null; + try { + String fileName = ""; + //本地下载 + String filePath = ossFile.getUrl(); + File file = new File(filePath); + if(!file.exists()){ + response.setStatus(404); + throw new RuntimeException("文件不存在.."); + } + // 文件名称 + fileName = file.getName(); + inputStream = new BufferedInputStream(new FileInputStream(filePath)); + response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes("UTF-8"),"iso-8859-1")); + response.setContentType("application/force-download");// 设置强制下载不打开 + outputStream = response.getOutputStream(); + byte[] buf = new byte[1024]; + int len; + while ((len = inputStream.read(buf)) > 0) { + outputStream.write(buf, 0, len); + } + response.flushBuffer(); + } catch (IOException e) { + log.error("文件下载失败" + e.getMessage()); + response.setStatus(404); + e.printStackTrace(); + } finally { + if (inputStream != null) { + try { + inputStream.close(); + } catch (IOException e) { + log.error(e.getMessage(), e); + } + } + if (outputStream != null) { + try { + outputStream.close(); + } catch (IOException e) { + log.error(e.getMessage(), e); + } + } + } + } /** * 文件预览