Задача вроде как примитивная. Необходимо по данному урлу получить картинку с сайта и сохранить на диске. Ниже пример функции, которой я делаю это. Почему-то работает не для всех сайтов.
Например, http://www.linkedin.com/favicon.ico или http://vkontakte.ru/favicon.ico не тянет.
| Код |
public static System.Drawing.Image GetImage(string url)
{
try
{
var request = (HttpWebRequest)WebRequest.Create(url);
//request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)";
request.UserAgent = "Mozila/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; MyIE2;";
request.Accept = "image/gif, image/x-icon, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*";
//request.Headers.Add("Accept-Language", "ru");
// Set some reasonable limits on resources used by this request
request.MaximumAutomaticRedirections = 4;
request.MaximumResponseHeadersLength = 4;
// Set credentials to use for this request.
request.Credentials = CredentialCache.DefaultCredentials;
var response = (HttpWebResponse)request.GetResponse();
try
{
// Get the stream associated with the response.
var receiveStream = response.GetResponseStream();
// Pipes the stream to a higher level stream reader with the required encoding format.
var binReader = new BinaryReader(receiveStream);
//byte[] data = binReader.ReadBytes(Convert.ToInt32(response.ContentLength));
try
{
return System.Drawing.Image.FromStream(binReader.BaseStream);
}
finally
{
binReader.Close();
}
}
finally
{
response.Close();
}
}
catch (Exception ex)
{
return null;
}
}
|
|
