Winform上传下载文件代码

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.IO;namespace Common
{
/// <summary>
/// winform形式的文件传输类
/// </summary>
public class WinFileTransporter
{
/// <summary>
/// WebClient上传文件至服务器，默认不自动改名
/// </summary>
/// <param name="fileNamePath">文件名，全路径格式</param>
/// <param name="uriString">服务器文件夹路径</param>
public void UpLoadFile(string fileNamePath, string uriString)
{
UpLoadFile(fileNamePath, uriString, false);
}
/// <summary>
/// WebClient上传文件至服务器
/// </summary>
/// <param name="fileNamePath">文件名，全路径格式</param>
/// <param name="uriString">服务器文件夹路径</param>
/// <param name="IsAutoRename">是否自动按照时间重命名</param>
public void UpLoadFile(string fileNamePath, string uriString, bool IsAutoRename)
{
string fileName = fileNamePath.Substring(fileNamePath.LastIndexOf("\\") + );
string NewFileName = fileName;
if (IsAutoRename)
{
NewFileName = DateTime.Now.ToString("yyMMddhhmmss") + DateTime.Now.Millisecond.ToString() + fileNamePath.Substring(fileNamePath.LastIndexOf("."));
} string fileNameExt = fileName.Substring(fileName.LastIndexOf(".") + );
if (uriString.EndsWith("/") == false) uriString = uriString + "/"; uriString = uriString + NewFileName;
Utility.LogWriter log = new Utility.LogWriter();
//log.AddLog(uriString, "Log");
//log.AddLog(fileNamePath, "Log");
/**/
/// 创建WebClient实例
WebClient myWebClient = new WebClient();
myWebClient.Credentials = CredentialCache.DefaultCredentials;
// 要上传的文件
FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read);
//FileStream fs = OpenFile();
BinaryReader r = new BinaryReader(fs);
byte[] postArray = r.ReadBytes((int)fs.Length);
Stream postStream = myWebClient.OpenWrite(uriString, "PUT"); try
{ //使用UploadFile方法可以用下面的格式
//myWebClient.UploadFile(uriString,"PUT",fileNamePath); if (postStream.CanWrite)
{
postStream.Write(postArray, , postArray.Length);
postStream.Close();
fs.Dispose();
log.AddLog("上传日志文件成功！", "Log");
}
else
{
postStream.Close();
fs.Dispose();
log.AddLog("上传日志文件失败，文件不可写！", "Log");
} }
catch (Exception err)
{
postStream.Close();
fs.Dispose();
//Utility.LogWriter log = new Utility.LogWriter();
log.AddLog(err, "上传日志文件异常！", "Log");
throw err;
}
finally
{
postStream.Close();
fs.Dispose();
}
} /**/
/// <summary>
/// 下载服务器文件至客户端 /// </summary>
/// <param name="URL">被下载的文件地址，绝对路径</param>
/// <param name="Dir">另存放的目录</param>
public void Download(string URL, string Dir)
{
WebClient client = new WebClient();
string fileName = URL.Substring(URL.LastIndexOf("\\") + ); //被下载的文件名 string Path = Dir + fileName; //另存为的绝对路径＋文件名
Utility.LogWriter log = new Utility.LogWriter();
try
{
WebRequest myre = WebRequest.Create(URL);
}
catch (Exception err)
{
//MessageBox.Show(exp.Message,"Error");
log.AddLog(err, "下载日志文件异常！", "Log");
} try
{
client.DownloadFile(URL, fileName);
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
BinaryReader r = new BinaryReader(fs);
byte[] mbyte = r.ReadBytes((int)fs.Length); FileStream fstr = new FileStream(Path, FileMode.OpenOrCreate, FileAccess.Write); fstr.Write(mbyte, , (int)fs.Length);
fstr.Close(); }
catch (Exception err)
{
//MessageBox.Show(exp.Message,"Error");
log.AddLog(err, "下载日志文件异常！", "Log");
}
} }
}