请教：文件下载问题<a href="a.aaa">下载1</a>显示下载对话框，<a href="a.txt">下载2</a>直接显示文件内容，如何让下载2也显示下载对话

Question

请教：文件下载问题<a href="a.aaa">下载1</a>显示下载对话框，<a href="a.txt">下载2</a>直接显示文件内容，如何让下载2也显示下载对话框？
希望给出详细语句。
谢谢！

Answer 1

.txt在浏览器上是可以打开的，你可以压缩成zip或rar文件就可以了

Answer 2

简单的改扩展名
麻烦的
Dim fileLocation As String
        fileLocation = ConfigurationSettings.AppSettings("ServerPlanSheetFolder") & lnkDownload.Text
        Response.Clear()
        Response.ContentEncoding = System.Text.Encoding.GetEncoding("shift-jis")
        Response.AddHeader("Content-Disposition", "attachment; filename=" & lnkDownload.Text)
        Response.ContentType = "application/ms-excel"
        Response.WriteFile(fileLocation)
        Response.End()

Answer 3

if(File.Exists(paths))
                {
                    FileInfo fi=new FileInfo(paths);
                    Response.Clear();
                    Response.ClearHeaders();
                    Response.Buffer=false;
                                                              
                  //Response.AppendHeader("Content-Disposition","attachment;filename=" + System.Web.HttpUtility.UrlEncode(CheckStringLength(Path.GetFileName(paths)),System.Text.Encoding.Default));
                   Response.AppendHeader("Content-Disposition","attachment;filename=" + System.Web.HttpUtility.UrlEncode(System.Text.Encoding.UTF8.GetBytes(CheckStringLength(Path.GetFileName(paths)))));
                   Response.AppendHeader("Content-Length",fi.Length.ToString());
                   // Response.AppendHeader("Content-Type",fi.Extension.ToString());
                    Response.ContentType="application/octet-stream";
                    Response.WriteFile(paths);
                    Response.Flush();
                    Response.End();
                }
                else
                {
                    Response.Write("<script langauge=javascript>alert('The file does not exist!');history.go(-1);</script>");
                   // msg.msgs("The file does not exist.");return;
                }

Answer 4

不用<a> 用一个命令按钮,执行下面的内容,会出现下载对话框string name=lb1.Text; string fullName=currentPath+name;

FileInfo aFile=new FileInfo(fullName); Response.Clear();
Response.ClearHeaders();
Response.BufferOutput=false;
Response.ContentType="application/octet-stream";
Response.AppendHeader("Content-disposition","attachment;filename="+HttpUtility.UrlEncode(name,System.Text.Encoding.UTF8));
Response.AppendHeader("Content-Length",aFile.Length.ToString());
Response.WriteFile(fullName);
Response.Flush();
Response.End();

Answer 5

if(File.Exists(paths))
                {
                    FileInfo fi=new FileInfo(paths);
                    Response.Clear();
                    Response.ClearHeaders();
                    Response.Buffer=false;
                                                              
                  //Response.AppendHeader("Content-Disposition","attachment;filename=" + System.Web.HttpUtility.UrlEncode(CheckStringLength(Path.GetFileName(paths)),System.Text.Encoding.Default));
                   Response.AppendHeader("Content-Disposition","attachment;filename=" + System.Web.HttpUtility.UrlEncode(System.Text.Encoding.UTF8.GetBytes(CheckStringLength(Path.GetFileName(paths)))));
                   Response.AppendHeader("Content-Length",fi.Length.ToString());
                   // Response.AppendHeader("Content-Type",fi.Extension.ToString());
                    Response.ContentType="application/octet-stream";
                    Response.WriteFile(paths);
                    Response.Flush();
                    Response.End();
                }
                else
                {
                    Response.Write("<script langauge=javascript>alert('The file does not exist!');history.go(-1);</script>");
                   // msg.msgs("The file does not exist.");return;
                }