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@RestController @Scope("prototype") @RequestMapping("/xxxx/xxx/main") public class JobPicControl {@Autowiredprivate xxxService xxxService;/** * @description 上傳圖片* @param file* @param request* @return */@RequestMapping(value = "/base/xxx/upload", method = RequestMethod.POST)public String uploadMap(@RequestParam(value = "file", required = false) MultipartFile file, @RequestParam(value = "xxx", required = false) String xxx, HttpServletRequest request) {Response response = new Response();if (file.isEmpty()) {return "文件上傳失敗，請重試";} else {System.out.println("========================================");System.out.println("文件長度: " + file.getSize());System.out.println("文件類型: " + file.getContentType());System.out.println("文件名稱: " + file.getName());System.out.println("文件原名: " + file.getOriginalFilename());System.out.println("========================================");}String filePath = "/fileLibrary/jobTypePics/";String realPath = request.getSession().getServletContext().getRealPath(filePath);String fileNewName = xxx+ ".jpg"; System.out.println("fileNewName:"+fileNewName);//保存 try { //這里不必處理IO流關閉的問題，因為FileUtils.copyInputStreamToFile()方法內部會自動把用到的IO流關掉，我是看它的源碼才知道的 FileUtils.copyInputStreamToFile(file.getInputStream(), new File(realPath, fileNewName));} catch (Exception e) { e.printStackTrace();return response.failure("更新圖失敗，請重試").toSimpleResult();} return "成功";}/** * @description 流的方式得到圖片* @param request* @param httpResponse */@RequestMapping(value = "/base/xxx/getPic", method = RequestMethod.GET)public void getMapPic1(@RequestParam(value = "iconUrl", required = false) String jobIconUrl,HttpServletRequest request,HttpServletResponse httpResponse) {String realPath = request.getSession().getServletContext().getRealPath(iconUrl);String filePath = realPath;System.out.println("filePath:"+filePath);File file = new File(filePath);FileInputStream fis = null;try {httpResponse.setContentType("image/gif");OutputStream out = httpResponse.getOutputStream();fis = new FileInputStream(file);byte[] b = new byte[fis.available()];fis.read(b);out.write(b);out.flush();} catch (Exception e) {e.printStackTrace();} finally {if (fis != null) {try {fis.close();} catch (IOException e) {e.printStackTrace();} }}}}

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