ASP.NET下載遠程圖片儲存到本地的方法、儲存抓取遠程圖片

以下介紹兩種方法：1.利用WebRequest，WebResponse 類 WebRequest wreq=WebRequest.Create("http://www.xueit.com/eimg/uploadfile/downpig/20098/098215331763.gif");     HttpWebResponse wresp=(HttpWebResponse)wreq.GetResponse();     Stream s=wresp.GetResponseStream();         System.Drawing.Image img;     img = System.Drawing.Image.FromStream(s);       img.Save("D:\\aa.gif",ImageFormat.Gif);   //儲存 //下面直接輸出 MemoryStream ms=new MemoryStream();     img.Save(ms,ImageFormat.Gif);     img.Dispose();     Response.ClearContent();     Response.ContentType="image/gif";     Response.BinaryWrite(ms.ToArray());2.利用 WebClient 類 WebClient my=new WebClient();     byte[] mybyte;       mybyte=my.DownloadData("http://www.xueit.com/eimg/uploadfile/downpig/20098/098215331763.gif");            MemoryStream ms=new MemoryStream(mybyte);        System.Drawing.Image img;     img = System.Drawing.Image.FromStream(ms);       img.Save("D:\\a.gif",ImageFormat.Gif);   //儲存 //下面直接輸出 Response.ClearContent();     Response.ContentType="image/gif";     Response.BinaryWrite(mybyte); 如果是真實的圖片地址直接用 my.DownloadFile("http://www.xueit.com/eimg/uploadfile/downpig/20098/098215331763.gif","D:\\a.gif");   //儲存 直接可以儲存