将图像上传到spring mvc中的文件夹

Question

我尝试将图像上传到我的资源中的文件夹"/resouces/images/demo.jpg"但它无法运行.你能帮忙在spring mvc上传我的资源吗？如果我上传到"C://test//demo.jpg",那没关系.我的样本:

    String filename = File.separator + "resources"
                       + File.separator + "images" + File.separator
                       + filea.getOriginalFilename();
    outputStream = new FileOutputStream(filename);
    int readBytes = 0;
    byte[] buffer = new byte[8192];
    while ((readBytes = inputStream.read(buffer, 0, 8192)) != -1) {
        System.out.println("===ddd=======");
        outputStream.write(buffer, 0, readBytes);
    }

Answer 1

像任何其他bean一样注入ServletContext

@Autowired
ServletContext servletContext

然后用

    String webappRoot = servletContext.getRealPath("/");
    String relativeFolder = File.separator + "resources" + File.separator
                             + "images" + File.separator
    String filename = webappRoot + relativeFolder
                       + filea.getOriginalFilename();