java擷取圖片檔案返回地址

標籤：

private String uploadFile(HttpServletRequest req,String file_name){        try {            MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) req;            // 獲得檔案：            MultipartFile file = multipartRequest.getFile(file_name);            String fileExtName = file.getOriginalFilename().substring(file.getOriginalFilename().indexOf(".") + 1);            if(StringUtils.isEmpty(fileExtName)){                return "";            }            String realPath = req.getSession().getServletContext().getRealPath("");            String fileName = DateTimeUtil.getDateTime2Str3S4() + "." + fileExtName;            String imgPath = "upload"+File.separatorChar+"advImg" + File.separatorChar + fileName;            String imgPathRealPath = realPath + File.separatorChar+ "upload"+File.separatorChar+"advImg" + File.separatorChar + fileName;            File fi = new File(imgPathRealPath);            if (!fi.exists()) {                fi.mkdirs();            }            file.transferTo(fi);                        return imgPath;        } catch (Exception e) {            return "";        }    }

 

java擷取圖片檔案返回地址