如何将文件更名下载?

Question

数据表中已经有路径和保存的文件名，客户下载的时候想达到重命名的效果，请问如何实现？

Answer 1

    private void FileDownload(string DownPath)
    {
        String FullFileName = Server.MapPath(DownPath);
        FileInfo DownloadFile = new FileInfo(FullFileName);
        Response.Clear();
        Response.ClearHeaders();
        Response.Buffer = false;
        Response.ContentType = "application/octet-stream";
        Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(DownloadFile.FullName, System.Text.Encoding.UTF8));
        Response.AppendHeader("Content-Length", DownloadFile.Length.ToString());
        Response.WriteFile(DownloadFile.FullName);
        Response.Flush();
        Response.End();
    }
//用上面的函数 自己定义输出名字 即可

Answer 2

添加点注释方便以后使用，马上结贴
 private void FileDownload(string DownPath)
    {
        String FullFileName = Server.MapPath(DownPath);
        FileInfo DownloadFile = new FileInfo(FullFileName);
        Response.Clear();
        Response.ClearHeaders();
        Response.Buffer = false;
        Response.ContentType = "application/octet-stream";
        Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(DownloadFile.FullName, System.Text.Encoding.UTF8));//这里的DownloadFile.FullName为要下载后改成的文件名
        Response.AppendHeader("Content-Length", DownloadFile.Length.ToString());
        Response.WriteFile(DownloadFile.FullName);//这里是服务器中实际的文件名
        Response.Flush();
        Response.End();
    }