页面上传图片以及controller层里上传图片代码

页面上：

 enctype="multipart/form-data"  

method="post" spring-mvc.xml配置文件里： 

    commons-fileupload
    commons-fileupload
    1.3.3


    commons-io
    commons-io
    2.5

 //获取文件名字
        String originalFilename = stockPhoto.getOriginalFilename();
        System.out.println(originalFilename + "++++++++++++++++++++");
        //获取不会重复的毫秒数
        long l = System.currentTimeMillis();
        //新名字
        String newName = l + originalFilename;
        System.out.println(newName + "----------++++++");
        //图片的输入流名字
        InputStream inputStream = stockPhoto.getInputStream();
        //存在于项目中的路径
//        String a="D:\\myproject\\LianXi\\web\\image";
        String wlPath = "D:\\myproject\\LianXi\\web\\images/" + newName;
        //逻辑路径，存到数据库中
        String ljPath = "../images/" + newName;
        //临时路径
        String realPath = request.getSession().getServletContext().getRealPath("/");
        String lsPath = realPath + "//images//" + newName;

        //如果没有那个文件夹就创建
        File wlFile = new File("D:\\myproject\\LianXi\\web\\images");
        if (!wlFile.exists()) {
            wlFile.mkdir();
        }
        File isFile = new File(realPath + "\\images\\");
        if (!isFile.exists()) {
            isFile.mkdir();
        }
        //不为空时
        if (!stockPhoto.isEmpty()) {
            //输出流 写物理路径
            FileOutputStream wlStream = new FileOutputStream(wlPath);
            //输出流 写临时路径
            FileOutputStream lsStream = new FileOutputStream(lsPath);
            int len = 0;
            while ((len = inputStream.read()) != -1) {
                wlStream.write(len);//写入
                lsStream.write(len);

            }
            wlStream.flush();
            lsStream.flush();

            wlStream.close();
            lsStream.close();

            inputStream.close();

        }
        System.out.println(wlPath);
        System.out.println(ljPath);
        System.out.println(lsPath);

stock.setStockPhoto(ljPath);