Volley3 文件上传

文件上传方式

• Socket 链接，用Stream 传输；
• Http 链接，用Stream 传输；
• Http 链接，Base64 等压缩编码的方式传输；
• Http 链接，标准文件传输协议；

Volley 数据上传接入点：

//HurlStack 类的接入点
   private static void addBodyIfExists(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    byte[] body = request.getBody();
    if (body != null) {
        connection.setDoOutput(true);
        connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getBodyContentType());
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(body);
        out.close();
    }
}

  //HttpClientStack 
  private static void setEntityIfNonEmptyBody(HttpEntityEnclosingRequestBase httpRequest,
        Request《?》 request) throws AuthFailureError {
    byte[] body = request.getBody();
    if (body != null) {
        HttpEntity entity = new ByteArrayEntity(body);
        httpRequest.setEntity(entity);
    }
}

multipart/form-data

协议简介

解析