远程获取图片二进制流及保存到本地

来源：互联网发布：高校一卡通网络编辑：程序博客网时间：2024/06/05 08:47

protected void Page_Load(object sender, EventArgs e){  WebRequest myrequest = WebRequest.Create("http://xxxxx/userface.jpg");  WebResponse myresponse = myrequest.GetResponse();  Stream imgstream = myresponse.GetResponseStream();  System.Drawing.Image img = System.Drawing.Image.FromStream(imgstream);  //img.Save(Server.MapPath("test.jpg"),System.Drawing.Imaging.ImageFormat.Jpeg);  MemoryStream ms = new MemoryStream();  img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);  Response.ClearContent(); //需要输出图象信息 要修改HTTP头   Response.ContentType = "image/gif";  Response.BinaryWrite(ms.ToArray());}

 WebRequest request = WebRequest.Create(uri);                    WebResponse response = request.GetResponse();                    if (response.ContentType.ToLower().Contains("image"))                    {                        using (Stream reader = response.GetResponseStream())                        {                            using (FileStream writer = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write))                            {                                byte[] buffer = new byte[512];                                int c = 0;                                while ((c = reader.Read(buffer, 0, buffer.Length)) > 0)                                {                                    writer.Write(buffer, 0, c);                                    result = true;                                }                            }                        }                    }

0 0