System.Net.WebClient.DownloadFile(Uri address, String fileName)

namespace：System.Net

参数：

address：The URI from which to download data.

fileName：The name of the local file that is to receive the data.

eg:

1 /// 
 2 /// 保存文件到本地 3 /// 
 4 /// uri 5 /// localDir 6 /// folderPath+fileName 7 public void SaveDownFile(string filePath, string folderPath, string localFilePath) 8 { 9     try10     {11         if (!Directory.Exists(folderPath))12         {13             Directory.CreateDirectory(folderPath);14         }15         WebClient DownFile = new WebClient();16         DownFile.DownloadFile(filePath, localFilePath);17         logger.WriteSystemLog(LogLevel.Const, "successfully saveDownFile：" + localFilePath);18     }19     catch (Exception ex)20     {21         logger.WriteExceptionLog(ex, " saveDownFile Exception: httpUrl=" + filePath);22     }23 }

 

1 public static long userId = 1; 2 public static string userCode; 3 public static string token; 4 public static string clientIP; 5 // 单点登录 6 protected void sso() 7 { 8     clientIP = GetClientIP();// local IP 9     userId = GetUserId();10     userCode = GetUserCode();11     token = sendMessage(userId, userCode, clientIP);// 发送验证消息12 13     if (!string.IsNullOrEmpty(token))14     {15         delayTime(2);16         simLogin(token);17     }18 }19 20 // 登录21 private void simLogin(string token)22 {23     var url = string.Format("http://192.168.12.250:8900/Login?userId={0}&clientIP={1}&token={2}", userCode, clientIP, token);24     WebClient wc = new WebClient();25     byte[] ret = wc.DownloadData(url);26 }27 28 private void delayTime(double secend)29 {30     DateTime tempTime = DateTime.Now;31     while (tempTime.AddSeconds(secend).CompareTo(DateTime.Now) > 0)32         System.Windows.Forms.Application.DoEvents();33 }