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This article will explain in detail how Java can upload pictures to the webapp path. The content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

Upload the image to the webapp path to get the path.

This method is obtained under the project webapp folder.

String contexPath= request.getSession (). GetServletContext () getRealPath ("/")

Get the IP address, port number and project name

Spring java gets the file path @ RequestMapping ("/ act/worldcup_schedule_time/imgdownload") @ ResponseBody public String scheduleDownload (HttpServletRequest request, HttpServletResponse response, HttpSession session) {response.setCharacterEncoding ("UTF-8"); String downLoadName = "worldcup.jpg"; InputStream input = null; try {request.setCharacterEncoding ("UTF-8") under webapp / / get the path to the file / / String url = session.getServletContext () .getRealPath ("/") + "resources\\ images\\ act\\ worldcup_merge\\ worldcup720.png"; String url = session.getServletContext () .getRealPath ("/") + "resources/images/act/worldcup_merge/worldcup720.png"; System.out.println (url); File file = new File (url) Input = FileUtils.openInputStream (file); byte [] data = IOUtils.toByteArray (input); / / System.out.println ("file name:" + downLoadName); response.reset (); / / set the response header information (Chinese problem resolution) response.setHeader ("content-disposition", "attachment") FileName= "+ URLEncoder.encode (downLoadName," UTF-8 "); response.addHeader (" Content-Length ","+ data.length); response.setContentType (" image/png; charset=UTF-8 "); IOUtils.write (data, response.getOutputStream ());} catch (Exception e) {logger.error (" error downloading picture ") If (input! = null) {IOUtils.closeQuietly (input);}} return null;} is here on how to upload images to the webapp path by Java. I hope the above content can help you and learn more. If you think the article is good, you can share it for more people to see.

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