1 /// <summary>
 2         /// FTP获取图片文件
 3         /// </summary>
 4         /// <param name="filepath"></param>
 5         /// <returns></returns>
 6          public static  Image GetImageFile(string filepath)
 7         {
 8             Image image = null;
 9             try
10             {
11                 //创建FTP请求对象
12                 FtpWebRequest fwRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(filepath));
13                 fwRequest.EnableSsl = false;
14 
15                 //设置数据传输类型
16                 fwRequest.UseBinary = true;
17                 //设置Ftp客户端访问的通讯凭据；
18                 fwRequest.Credentials = new NetworkCredential();
19                 //设置请求完成后关闭此连接
20                 fwRequest.KeepAlive = false;
21                 fwRequest.Method = WebRequestMethods.Ftp.DownloadFile;
22                 //获取Ftp响应
23                 FtpWebResponse fwRsponse = (FtpWebResponse)fwRequest.GetResponse();
24                 //从返回流中检索数据
25                 Stream stream = fwRsponse.GetResponseStream();
26                 //将流数据转换成图片
27                 image = Image.FromStream(stream);
28             }
29             catch (Exception)
30             {
31                 image = null;
32             }
33             return image;
34         }