国外外贸网站,做理财的网站,故事app怎么制作,seo培训价格因系统开发中需求#xff0c;会有页面显示图片直接从后端获取后显示#xff0c;代码如下#xff1a;
后端#xff1a; /*** 获取图片流* param response* param fileName*/RequestMapping(valuegetImgStream,method RequestMethod.GET)public void getImgStr…因系统开发中需求会有页面显示图片直接从后端获取后显示代码如下
后端 /*** 获取图片流* param response* param fileName*/RequestMapping(valuegetImgStream,method RequestMethod.GET)public void getImgStream(HttpServletResponse response,RequestParam(idFile)String fileName){FileInfo fileInfo fileService.getByName(fileName);FileInputStream fis null;response.setContentType(image/fileInfo.getRealFileName().split(\\.)[1]);try {OutputStream out response.getOutputStream();File file new File(fileInfo.getAblatePath());fis new FileInputStream(file);byte[] b new byte[fis.available()];fis.read(b);out.write(b);out.flush();} catch (Exception e) {logger.error(getImgStream error,e);} finally {if (fis ! null) {try {fis.close();} catch (IOException e) {logger.error(close getImgStream error,e);}}}}前端
js文件
拼接后端API路径
img util.getApiUrl() /file/getImgStream?idFile item.imgVue页面
el-image styleheight: 200px :srcitem.img fitcontain/el-image
