我如何在内存中创建一个文本文件（Ram -> Save NoWhere）并在其上写入一些内容并在客户端浏览器顶部打开记事本并在其中打开该文本文件并让用户自行保存？ -> 在代码后面
提前感谢
此致
你不能那样做。
您所能做的就是将文件内容写入正确的响应中MIME输入标头（例如“text/plain”），客户端浏览器将使用为提供的 MIME 类型配置的查看器打开文本数据。
<%@ Page language="vb" runat="server" explicit="true" strict="true" %>
2 <script language="vb" runat="server">
3 Sub Page_Load(Sender As Object, E As EventArgs)
4 Dim strRequest As String = Request.QueryString("file") '-- if something was passed to the file querystring
5 If strRequest <> "" Then 'get absolute path of the file
6 Dim path As String = Server.MapPath(strRequest) 'get file object as FileInfo
7 Dim file As System.IO.FileInfo = New System.IO.FileInfo(path) '-- if the file exists on the server
8 If file.Exists Then 'set appropriate headers
9 Response.Clear()
10 Response.AddHeader("Content-Disposition", "attachment; filename=" & file.Name) ' comment this line if needed
11 Response.AddHeader("Content-Length", file.Length.ToString())
12 Response.ContentType = "application/octet-stream" 'this is MIME type
13 Response.WriteFile(file.FullName)
14 Response.End 'if file does not exist
15 Else
16 Response.Write("This file does not exist.")
17 End If 'nothing in the URL as HTTP GET
18 Else
19 Response.Write("Please provide a file to download.")
20 End If
21 End Sub
22 </script>
http://www.xefteri.com/articles/show.cfm?id=8
这是稍微修改过的 c# 示例代码
<%@ Page Title="Home Page" Language="C#" AutoEventWireup="true"%>
<script language="cs" runat="server">
public void Page_Load(object sender, EventArgs e)
{
byte[] buffer;
using (var memoryStream = new System.IO.MemoryStream())
{
buffer = Encoding.Default.GetBytes("Hello StackOverflow"); //Dummy data
memoryStream.Write(buffer, 0, buffer.Length);
Response.Clear();
Response.AddHeader("Content-Disposition", "attachment; filename=hello.txt"); //This wil force browser to silently download file. you can comment this line to see difference
Response.AddHeader("Content-Length", memoryStream.Length.ToString());
Response.ContentType = "text/plain"; //This is MIME type
memoryStream.WriteTo(Response.OutputStream);
}
Response.End();
}
</script>
本文内容由网友自发贡献，版权归原作者所有，本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容，请联系:hwhale#tublm.com(使用前将#替换为@)
