摘要：
1.利用WebRequest，WebResponse 类1 WebRequestwreq=WebRequest.Create("http://www.baidu.com/img/logo-yy.gif");2HttpWebResponsewresp=(HttpWebResponse)wreq.GetResponse();3Streams=wresp.GetResponseStream();4System.Drawing.Imageimg;5img=System.Drawing.Image.FromStream(s);6img.Save("D:\\aa.gif&qu 阅读全文
