C# 下载远程文件

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            #region 下载1            try            {                string savePath = Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase, "temp");                if (!Directory.Exists(savePath))                {                    Directory.CreateDirectory(savePath);                }                using (WebClient webClien = new WebClient())                {                    webClien.DownloadFile(FullFilePath, Path.Combine(savePath, FileName));                }                return true;            }            catch            {                return false;            }            #endregion

            #region 下载2            bool flag = false;            string savePath = Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase, "temp");            try            {                if (!Directory.Exists(savePath))                {                    Directory.CreateDirectory(savePath);                }                using (FileStream fileStream = new FileStream(Path.Combine(savePath, FileName), FileMode.Create, FileAccess.Write))                {                    //创建请求                    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(FullFilePath);                    //接收响应                    HttpWebResponse response = (HttpWebResponse)request.GetResponse();                    //输出流                    Stream responseStream = response.GetResponseStream();                    byte[] bufferBytes = new byte[10000];//缓冲字节数组                    int bytesRead = -1;                    while ((bytesRead = responseStream.Read(bufferBytes, 0, bufferBytes.Length)) > 0)                    {                        fileStream.Write(bufferBytes, 0, bytesRead);                    }                    if (fileStream.Length > 0)                    {                        flag = true;                    }                    //关闭写入                    fileStream.Flush();                    fileStream.Close();                }            }            catch (Exception ex)            {                //返回错误消息                throw ex;            }            return flag;            #endregion

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