通过Src下载图片存到指定文件夹

string src = temppartsrc + "." + pictype;

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(src);

request.AllowAutoRedirect = true;

WebProxy proxy = new WebProxy();

proxy.BypassProxyOnLocal = true;

proxy.UseDefaultCredentials = true;

request.Proxy = proxy;

WebResponse response = request.GetResponse();

string virthpath = "";

using (Stream stream = response.GetResponseStream())

{

using (MemoryStream ms = new MemoryStream())

{

Byte[] buffer = new Byte[1024];

int current = 0;

while ((current = stream.Read(buffer, 0, buffer.Length)) != 0)

{

ms.Write(buffer, 0, current);

}

byte[] arry = ms.ToArray();

virthpath = "./image/" + DateTime.Now.ToString("yyyyMMddhhmmss") + "." + pictype;

string path = Server.MapPath(virthpath);

File.WriteAllBytes(path, arry);

}

}

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