一个简单的文件/图片上传工具

 @RequestMapping("/filesUpload")
    public void filesUpload(@RequestParam("visitPhoto") MultipartFile file, HttpServletRequest request) {
        if (!ComnUtil.isEmpty(file)) {
            saveFile(request, file);
        }
    }

    private void saveFile(HttpServletRequest request, MultipartFile file) {
        //拿到路径
        String realPath = request.getSession().getServletContext().getRealPath("/");
       
        if (!file.isEmpty()) {
            try {
                String filePath = realPath +  file.getOriginalFilename();//组装
                System.out.println(filePath);
                File saveDir = new File(filePath);
                if (!saveDir.getParentFile().exists())
                    saveDir.getParentFile().mkdirs();
                // 转存文件
                file.transferTo(saveDir);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }