如何使用Volley上传大文件？( Android )

dependencies {
    implementation 'com.android.volley:volley:1.2.0'
}

public class MultiPartRequest extends Request<String> {
    private static final String BOUNDARY = "--------------";
    private static final String LINE_END = "\r\n";
    private static final String CONTENT_TYPE = "multipart/form-data; boundary=" + BOUNDARY;

    private final Response.Listener<String> mListener;
    private final File mFile;

    public MultiPartRequest(String url, File file, Response.Listener<String> listener, Response.ErrorListener errorListener) {
        super(Method.POST, url, errorListener);
        mListener = listener;
        mFile = file;
    }

    @Override
    public String getBodyContentType() {
        return CONTENT_TYPE;
    }

    @Override
    public byte[] getBody() throws AuthFailureError {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataOutputStream dos = new DataOutputStream(bos);

        try {
            // 添加文件参数
            dos.writeBytes("--" + BOUNDARY + LINE_END);
            dos.writeBytes("Content-Disposition: form-data; name=\"file\"; filename=\"" + mFile.getName() + "\"" + LINE_END);
            dos.writeBytes(LINE_END);

            FileInputStream fileInputStream = new FileInputStream(mFile);
            byte[] buffer = new byte[1024];
            int bytesRead;
            while ((bytesRead = fileInputStream.read(buffer)) != -1) {
                dos.write(buffer, 0, bytesRead);
            }
            fileInputStream.close();

            dos.writeBytes(LINE_END);
            dos.writeBytes("--" + BOUNDARY + "--" + LINE_END);

            return bos.toByteArray();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    @Override
    protected Response<String> parseNetworkResponse(NetworkResponse response) {
        try {
            String data = new String(response.data, HttpHeaderParser.parseCharset(response.headers));
            return Response.success(data, HttpHeaderParser.parseCacheHeaders(response));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return null;
    }

    @Override
    protected void deliverResponse(String response) {
        mListener.onResponse(response);
    }
}

File file = new File("path/to/file");
String url = "http://example.com/upload";
RequestQueue requestQueue = Volley.newRequestQueue(context);

MultiPartRequest multiPartRequest = new MultiPartRequest(url, file,
    new Response.Listener<String>() {
        @Override
        public void onResponse(String response) {
            // 处理上传成功的响应
        }
    },
    new Response.ErrorListener() {
        @Override
        public void onErrorResponse(VolleyError error) {
            // 处理上传失败的响应
        }
    });

requestQueue.add(multiPartRequest);