根据路径下载图片

        /// <summary>
        ///  根据路径下载图片 
        /// </summary>
        /// <param name="url">路径</param>
        public void ImgSave(string url)
        {
            try
            {
                int count = 10000;
                while (true)
                {
                    // url = "https://thispersondoesnotexist.com/image";
                    WebRequest imgRequest = WebRequest.Create(url);

                    HttpWebResponse res;
                    try
                    {
                        res = (HttpWebResponse)imgRequest.GetResponse();
                    }
                    catch (WebException ex)
                    {

                        res = (HttpWebResponse)ex.Response;
                    }

                    if (res.StatusCode.ToString() == "OK")
                    {
                        System.Drawing.Image downImage = System.Drawing.Image.FromStream(imgRequest.GetResponse().GetResponseStream());

                        string deerory = string.Format(@"D:\img\{0}\", DateTime.Now.ToString("yyyy-MM-dd"));

                        string fileName = string.Format("{0}.png", DateTime.Now.ToString("HHmmssffff"));


                        if (!System.IO.Directory.Exists(deerory))
                        {
                            System.IO.Directory.CreateDirectory(deerory);
                        }
                        downImage.Save(deerory + fileName);
                        downImage.Dispose();
                    }
                    if (count > 10000)
                    {
                        break;
                    }
                }
            }
            catch (Exception ex)
            {

            }

        }