c#中 如何把网上的图片保存到本地硬盘中

Question

图片 类型：pngURL：http://210.73.74.218/engine/TrafficTileServer?x=1686&y=776&zoom=6

Answer 1

用WebRequest下载了，保存成文件。

Answer 2

源码
http://www.52bc.net/html/biancheng/C_/20090908/305.html

Answer 3

 /// <summary>
        /// 从图片地址下载图片到本地磁盘
        /// </summary>
        /// <param name="ToLocalPath">图片本地磁盘地址</param>
        /// <param name="Url">图片网址</param>
        /// <returns></returns>
        public static void SavePhotoFromUrl(string fullName, string url)
        {
            WebResponse response = null;
            Stream stream = null;
            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                response = request.GetResponse();
                stream = response.GetResponseStream();                using (Bitmap image = new Bitmap(stream))
                {
                    image.Save(fullName);
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }            
        }