ASP.NET批量下载文件的方法

}
 
3、DownloadRAR(string file)方法

/// <summary>
/// 下载生成的RAR文件
/// </summary>
private void DownloadRAR(string file)
{
    FileInfo fileInfo = new FileInfo(file);
    Response.Clear();
    Response.ClearContent();
    Response.ClearHeaders();
    Response.AddHeader("Content-Disposition", "attachment;filename=" + fileInfo.Name);
    Response.AddHeader("Content-Length", fileInfo.Length.ToString());
    Response.AddHeader("Content-Transfer-Encoding", "binary");
    Response.ContentType = "application/octet-stream";
    Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
    Response.WriteFile(fileInfo.FullName);
    Response.Flush();
    string tempPath = file.Substring(0, file.LastIndexOf(""));
    //删除临时目录下的所有文件
    DeleteFiles(tempPath);
    //删除空目录
    Directory.Delete(tempPath);
    Response.End();
}

4、DeleteFiles(string tempPath) 方法

/// <summary>
/// 删除临时目录下的所有文件
/// </summary>
/// <param name="tempPath">临时目录路径</param>
private void DeleteFiles(string tempPath)
{
    DirectoryInfo directory = new DirectoryInfo(tempPath);
    try
    {
 foreach (FileInfo file in directory.GetFiles())
 {
     if (file.Attributes.ToString().IndexOf("ReadOnly") != -1)
     {
  file.Attributes = FileAttributes.Normal;
     }
     File.Delete(file.FullName);
 }
    }
    catch (Exception)
    {
 throw;
    }
}

希望本文所述对大家的asp.net#程序设计有所帮助。