在Spark应用程序资源目录中上传文件

问题描述

我正在尝试将文件上传到我的Spark Maven项目src / main / resources中，但始终将其上传到外部。我需要能够使用localhost：4567 / abc.png这样的URL访问上传的文件。我在src / main / resources下创建了公共目录。使用staticFiles.location（“ public”）或staticFiles.externalLocation（“ public”），如果我在此处创建公共目录，则文件永远不会上传到此路径，而是上传到项目路径，例如E：\ eclipseSpaceNew \ microweb。以下是上传方法：

    private static String upload(Request request,Response response) {
        
        String location = "public"; // the directory location where files will be stored
        long maxFileSize = 100000000; // the maximum size allowed for uploaded files
        long maxRequestSize = 100000000; // the maximum size allowed for multipart/form-data requests
        int fileSizeThreshold = 1024; // the size threshold after which files will be written to disk
        Collection<Part> parts = null;
        MultipartConfigElement multipartConfigElement = null;
        Part uploadedFile = null;
        try {
            multipartConfigElement = new MultipartConfigElement(location,maxFileSize,maxRequestSize,fileSizeThreshold);
            request.raw().setAttribute("org.eclipse.jetty.multipartConfig",multipartConfigElement);

            parts = request.raw().getParts();
            for (Part part : parts) {
                System.out.println("Name: " + part.getName());
                System.out.println("Size: " + part.getSize());
                System.out.println("Filename: " + part.getSubmittedFileName());
            }

            String fName = request.raw().getPart("file").getSubmittedFileName();
            System.out.println("Title: " + request.raw().getParameter("title"));
            System.out.println("File: " + fName);

            uploadedFile = request.raw().getPart("file");
            Path out = Paths.get("public/" + fName);
            try (final InputStream in = uploadedFile.getInputStream()) {
                Files.copy(in,out);
                System.out.println("filename =" + out.getFileName());
                System.out.println("path = public/" + fName );
                System.out.println("link=" + request.host() + "/" + fName);
                //uploadedFile.delete();
            }
        } catch (IOException | servletexception e) {
            e.printstacktrace();
            return "Error uploading file" + e.getMessage();
        } finally {
            // cleanup
            multipartConfigElement = null;
            parts = null;
            uploadedFile = null;
        }

        return "OK";
    }

有人可以帮我解决这个问题吗？谢谢

-狂奔

解决方法

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