Question

我只想将.dat文件从Windows手机上传到php脚本。

这是我的代码，但不起作用。任何人都可以看到原因吗？

C＃：

string fileBase64 = "UklGRt4lAABXQVZFZm10IBAAAAABAAEARKw...";

HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://...mysite.../upload.php");
request.Method = "POST";
request.ContentType = "application/octet-stream";

string postData = String.Format("file={0}", fileBase64);   

// Getting the request stream.
request.BeginGetRequestStream
    (result =>
    {
        // Sending the request.
        using (var requestStream = request.EndGetRequestStream(result))
        {
            using (StreamWriter writer = new StreamWriter(requestStream))
            {
                writer.Write(postData);
                writer.Flush();
            }
        }

        // Getting the response.
        request.BeginGetResponse(responseResult =>
        {
            var webResponse = request.EndGetResponse(responseResult);
            using (var responseStream = webResponse.GetResponseStream())
            {
                using (var streamReader = new StreamReader(responseStream))
                {
                    string srresult = streamReader.ReadToEnd();
                }
            }
        }, null);
    }, null);

PHP：

    define("UPLOAD_DIR", "./uploads/");


    if(isset($_POST['file']))
    {
        $base64_string = $_POST['file'];
        $ifp = fopen( UPLOAD_DIR.'aaa.dat', "wb" ); 
        fwrite( $ifp, base64_decode($base64_string) ); 
        fclose( $ifp ); 

        echo "ok";
        echo $base64_string;
        echo base64_decode($base64_string);

    }else{
            echo "no submit";
        }

Answer 1

您正在滥用HTTP协议。

这是服务器的the correct way to upload files。一定要阅读评论，你也可能想要异步这样做。对于异步路径，我建议您尝试使用C＃语言的新async-await功能，与开始/结束方法相比，它对此类任务非常有用。

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