springboot中来进行文件下载

2023-09-15 阅读 19 评论 0

摘要：导入依赖，没有使用传统的IO方式，使用了一个辅助类 <dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.4</version></dependency><dependency

导入依赖，没有使用传统的IO方式，使用了一个辅助类

<!--文件下载--><dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.4</version></dependency><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.3.1</version></dependency>

JAVA代码部分

 @GetMapping("/uploadPDF")@ApiOperation(value = "下载PDF文件",notes = "下载PDF文件测试")public void uploadPDF(HttpServletResponse response) throws IOException {String fileName = "体检报告单.pdf";response.setContentType("application/pdf;charset=utf-8");//设置文件类型为为PDF，字符编码为UTF-8response.addHeader("Content-Disposition","attachment;fileName=" +new String(fileName.getBytes("UTF-8"),"iso-8859-1"));File file = new File("D:\\" + fileName);ServletOutputStream outputStream = response.getOutputStream();byte[] array = FileUtils.readFileToByteArray(file);outputStream.write(array);outputStream.flush();outputStream.close();}