ASP.NET通过URL将图片下载到电脑本地文件夹

	HttpWebRequest webrequest = (HttpWebRequest)WebRequest.Create("http://www.baidu.com/sdf/sdf.jpg");
   	HttpWebResponse webresponse = (HttpWebResponse)webrequest.GetResponse();
  	 if (webresponse.StatusCode == HttpStatusCode.OK)
  	 {
  	 System.Drawing.Image image = System.Drawing.Image.FromStream(webresponse.GetResponseStream());
  	 image.Save(@"E:xx.jpg"); //保存在本地文件夹
  	 image.Dispose(); //释放资源
   	}

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