从URL获取图片并保存到本地

　　　　 /// ??<summary> ????????/// ?HttpWebRequest Property ???????/// ??</summary> ????????/// ??<param name="fileName">文件名称</param> ????????/// ??<param name="url">图片地址</param> ????????/// ??<param name="localPath">本地路径("D:\\imgdow")</param> ??????????????public static void DownloadOneFileByURL(string fileName, string url, string localPath) ???????{ ???????????Stream s = null; ???????????System.Net.HttpWebRequest request = null; ???????????System.Net.HttpWebResponse response = null; ???????????request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(url); ???????????request.Timeout = 5000; // 超时时间 ???????????response = (System.Net.HttpWebResponse)request.GetResponse(); ???????????s = response.GetResponseStream(); ???????????var imgs = Image.FromStream(s); ???????????imgs.Save(localPath + $"/{fileName}.jpg"); ???????????s.Close(); ???????}