/// <summary>
/// 文件下载(文件推送型)
/// </summary>
/// <param name="filename">文件名含相对路径</param>
/// <param name="isFullPath">是否物理地址1是 0 不是</param>
public static void FileDown(string filename, string isFullPath)
{
if (filename != "")
{
if (isFullPath == "0")
{
if (CFun.Left(filename, 1) == "/")
{
filename = filename.Replace("/", "\\");
}
if (CFun.Left(filename, 1) == @"\")
{
filename = System.Web.HttpContext.Current.Request.PhysicalApplicationPath + CFun.Right(filename, filename.Length - 1);
}
else
{
filename = System.Web.HttpContext.Current.Request.PhysicalApplicationPath + filename;
}
}
System.IO.FileInfo file = new System.IO.FileInfo(filename);
if (file.Exists)
{
System.Web.HttpContext.Current.Response.Clear();
System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(file.Name, System.Text.Encoding.UTF8));
System.Web.HttpContext.Current.Response.AddHeader("Content-Length", file.Length.ToString());
System.Web.HttpContext.Current.Response.ContentType = "application/octet-stream";
System.Web.HttpContext.Current.Response.Filter.Close();
System.Web.HttpContext.Current.Response.WriteFile(file.FullName);
System.Web.HttpContext.Current.Response.End();
}
else
{
CFun.JsAlerT("文件不存在!");
//System.Web.HttpContext.Current.Response.Redirect("/error.aspx?msg=文件不存在!");
}
}
}
