高分求助:一段PHP利用CURL POST的代码如何用C#实现呢,求高手指点下

[「已注销」]

这是PHP的代码,运行无误:

$pvars = array(
		// parameters required by OAuth
		"oauth_consumer_key" => $API_key,
		"oauth_signature_method" => $oauth_signature_method,
		"oauth_signature" => $oauth_signature,
		"oauth_timestamp" => $oauth_timestamp,
		"oauth_nonce" => $oauth_nonce,
		"oauth_token" => $oauth_token,
		// optional parameters
		"content_type" => "animal",
		"thumb_format" => "JPG",
		"thumb_size" => "100*100",
		"thumb_cropping" => 0,
		"thumb_info" => 0,
		"gallery_id" => "jg3qh55ad9ww7x29mwqh4bjt395fbdkv",
		"response_format" => "JSON",
		"image" => "@/home/images/123123.jpg"
);
// initialize curl and set parameters
$curl = curl_init();
print_r($curl);
curl_setopt($curl, CURLOPT_URL, 'http://www.axlan.com/API/resource/upload_image');
curl_setopt($curl, CURLOPT_TIMEOUT, 30);
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $pvars);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

// execute, get information and close connection
echo $response = curl_exec($curl);
echo $info = curl_getinfo($curl);
curl_close ($curl);
// decode the json-encoded response
$response_array = json_decode($response);

下边是我引用CURL类库,根据以上代码改造的:

// populate an array with parameters
var pvars = new Dictionary<string, string>
{
	// parameters required by OAuth
	{"oauth_consumer_key", API_key},
	{"oauth_signature_method", oauth_signature_method},
	{"oauth_signature", oauth_signature},
	{"oauth_timestamp", oauth_timestamp},
	{"oauth_nonce", oauth_nonce},
	{"oauth_token", oauth_token},

	// optional parameters
	{"content_type", "family"},
	{"thumb_format", "JPG"},
	{"thumb_size", "100x100"},
	{"thumb_cropping", "0"},
	{"thumb_info"  , "1"},
	{"gallery_id", "jg3qh55ad9ww7x29mwqh4bjt395fbdkv"},
	{"response_format"  , "JSON"},
	{"image" , @"D:\images\abcdef.jpg"}, // ATTENTION - note the @ infront of the filename!
};

Curl.GlobalInit((int)CURLinitFlag.CURL_GLOBAL_ALL);
Easy easy = new Easy();
Easy.WriteFunction wf = new Easy.WriteFunction(OnWriteData);
easy.SetOpt(CURLoption.CURLOPT_URL, "http://www.axlan.com/API/resource/upload_image");
easy.SetOpt(CURLoption.CURLOPT_WRITEFUNCTION, wf);
easy.SetOpt(CURLoption.CURLOPT_TIMEOUT,30);
easy.SetOpt(CURLoption.CURLOPT_POST,1);
easy.SetOpt(CURLoption.CURLOPT_POSTFIELDS,pvars);
easy.SetOpt(CURLoption.CURLOPT_TRANSFERTEXT,true);
easy.Perform();
easy.Cleanup();
Curl.GlobalCleanup();

这样就无法运行,关键是不报错,不知道如何解决,
我用c# HttpWebRequest写了下,也没有实现.求高手指点下

[「已注销」]

求助求助..求指点啊! 用httpclient如何实现呢,网站返回的数据显示没有上传图片,其他部分是没错的.如何把图片流一起传送呢?

[jshi123]

试试在文件名前面加上@符号 {"image" , @"@D:\images\abcdef.jpg"},

[jshi123]

用HttpWebRequest的话试试下面这样调用：

	public static string UploadFileAndValues(string url, string[] files, Dictionary<string, string> values)
	{
		var request = WebRequest.Create(url);
		request.Method = "POST";
		var boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
		request.ContentType = "multipart/form-data; boundary=" + boundary;
		boundary = "--" + boundary;

		using (var requestStream = new StreamWriter(request.GetRequestStream(), Encoding.UTF8))
		{
			foreach (string name in values.Keys)
			{
				requestStream.WriteLine(boundary);
				requestStream.WriteLine("Content-Disposition: form-data; name=\"{0}\"\n", name);
				requestStream.WriteLine(HttpUtility.UrlEncode(values[name]));
			}
			foreach (var f in files)
			{
				var file = new FileInfo(f);
				requestStream.WriteLine(boundary);
				requestStream.WriteLine("Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"", file.Name, file.Name);
				requestStream.WriteLine("Content-Type: application/octet-stream\n");
				requestStream.Write(File.ReadAllBytes(file.FullName));
				requestStream.WriteLine();
			}
			requestStream.Write(boundary + "--");
		}

		using (var response = request.GetResponse())
		{
			return new StreamReader(response.GetResponseStream()).ReadToEnd();
		}
	}

调用方法是： UploadFileAndValues("http://www.axlan.com/API/resource/upload_image", new[] {@"D:\images\abcdef.jpg"}, pvars); // pvars中的image项可以不写了