谁有，c#写的 上传 下载文件 的原代码，急用，谢谢！在线等待

Question

谁有，c#写的 上传 下载文件 的原代码，急用，谢谢！在线等待

Answer 1

//下载文件方法
private void filedownload(string fullfilename)
{
FileInfo downloadfile = new FileInfo(fullfilename);
Response.Clear();
Response.ClearHeaders();
Response.Buffer=false;
Response.ContentType="application/octe-stream";
Response.AppendHeader("呵呵","文件名="+HttpUtility.UrlDecode(downloadfile.FullName,System.Text.Encoding.ASCII));
Response.AppendHeader("文件长度",downloadfile.Length.ToString());
Response.WriteFile(downloadfile.FullName);
Response.Flush();
Response.End();
}
filedownload(listfile.SelectedItem.Text);  //下载文件

Answer 2

上传文件private void Button3_Click(object sender, System.EventArgs e)
{
if(textfileup.PostedFile.FileName=="")
{
lbinfo.Text="请选择你要上传的文件！！";
return;
}
try
{
char[] spliter={'\\'};
string [] filename = textfileup.PostedFile.FileName.Split(spliter,10);
string fullpath = currentpath+@"\"+filename[filename.Length-1];//生成完整的文件名
textfileup.PostedFile.SaveAs(fullpath);  //保存文件
loaddir(currentpath);  //重新载入当前目录
}
catch
{
lbinfo.Text="对不起，上传文件失败！";
}

Answer 3

public static bool UploadFile(HtmlInputFile file,string fileName)
{
string filePath = System.Configuration.ConfigurationSettings.AppSettinsUploadAddres"];
if(!System.IO.Directory.Exists(filePath))
{
System.IO.Directory.CreateDirectory(filePath);
}
filePath += "\\"+fileName;
try
{
file.PostedFile.SaveAs(filePath);
return true;
}
catch
{
return false;
}
}
public static  void DownloadFile(string FileID)
{
string FileName = DocManageBll.GetDeptFileName(FileID);
string physicalFilePath = System.Configuration.ConfigurationSettings.AppSettings["UploadAddres"]+"\\"+FileName;
if(FileName=="" || GetDeptFileShowName=="")
return ;
try 
{
stream = new FileStream(physicalFilePath, FileMode.Open, FileAccess.Read, FileShare.Read);
int bufSize = (int)stream.Length;
byte[] buf = new byte[bufSize];
int bytesRead = stream.Read(buf, 0, bufSize);
HttpContext.Current.Response.ContentType = "application/octet-stream";
HttpContext.Current.Response.AddHeader("Content-Disposition","attachment; filename=\"" + HttpUtility.UrlEncode(GetDeptFileShowName,System.Text.Encoding.UTF8) + "\""); HttpContext.Current.Response.End();
stream.Close();
}
finally
{                                                                                                

}
}

Answer 4

http://blog.csdn.net/CQP/archive/2006/08/07/1034079.aspx

Answer 5

大哥们，我要得不是asp中的上传和下载，
我是在.net下做的c/s结构，文挡管理中的把电子文档放到数据库中
，请各位帮帮忙

Answer 6

private static void SaveBinaryFile(WebResponse response)
{
byte[] buffer=new byte[1024];
string filename=@"c:\temp.exe";
Stream oustr=File.Create(filename);
Stream instr=response.GetResponseStream();
int i;
do
{
i=instr.Read(buffer,0,buffer.Length);
if(i>0)
oustr.Write(buffer,0,i);


}
while(i>0);
oustr.Close();
instr.Close();
System.Diagnostics.Process.Start(filename);
}
private static bool GetBinaryFile()
{
HttpWebRequest request=null;
HttpWebResponse response=null;
Stream stream=null;
StreamReader reader=null;
string URL=@"http://126.com";
try
{
Uri uri=new Uri(URL);
request=(HttpWebRequest)WebRequest.Create(uri);
response=(HttpWebResponse)request.GetResponse();
if(!request.HaveResponse)
{
return false;
}
if(response.StatusCode!=HttpStatusCode.OK)
{
return false;
}
SaveBinaryFile(response);
return true;
}
catch(Exception err)
{
return false;
}
finally
{
if(reader!=null)
reader.Close();
if(stream!=null)
stream.Close();
if(response!=null)
response.Close();
}
}