C# 下载网络图片

下载图片 找到的demo 记录一下 以供以后参考使用

            string fileurl = "www.xxx.com/xxxxx.png";
            Console.WriteLine(fileurl);
            //图片保存的地址，自动换成相应的路径
            string fileName = System.IO.Path.GetFileName(fileurl); 
            string path = 你保存的路径;
            path = path.Replace(fileName, "").Replace("/", "\\");
            bool exists = System.IO.Directory.Exists(path);
            if (!exists) System.IO.Directory.CreateDirectory(path);
            //下载
            System.Net.WebClient wc = new System.Net.WebClient();
            HttpWebRequest webrequ = (HttpWebRequest)WebRequest.Create(fileurl);
            WebClient client = new WebClient();
            byte[] bytes = client.DownloadData(new Uri(fileurl));
            MemoryStream ms = new MemoryStream(bytes);
            ms.Seek(0, SeekOrigin.Begin);
            Console.WriteLine("开始下载-----------");
            ms.WriteTo(new FileStream(path + fileName, FileMode.OpenOrCreate));
            Console.WriteLine(path + fileName);
        }
    }