下载文件 application/octet-stream (VB.NET)

最新推荐文章于 2023-10-24 16:32:54 发布

weixin_33885676

最新推荐文章于 2023-10-24 16:32:54 发布

阅读量357

点赞数

本文介绍了一个文件上传过程中的路径处理及文件名规范化方法。通过配置读取上传文件夹路径，并根据请求参数获取附件名称，实现对文件扩展名和主文件名的分离及规范化处理。最终通过设置HTTP响应头实现文件下载。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

        Dim SMS_UploadFiles_Path As String = System.Configuration.ConfigurationSettings.AppSettings("SMS_UploadFiles_Path")
        'Dim mPath As String = Server.MapPath(SMS_UploadFiles_Path) + "\"
        Dim mPath As String = ""
        If SMS_UploadFiles_Path.EndsWith("\") = False Then
            mPath = SMS_UploadFiles_Path + "\"
        Else
            mPath = SMS_UploadFiles_Path
        End If

        Dim str_att As String = Request.QueryString("att")
        Dim str_oatt As String = Request.QueryString("oatt")

Dim extandName As String = Path.GetExtension(str_oatt)
Dim fileName As String = Path.GetFileNameWithoutExtension(str_oatt)

        If (fileName.Length > 12) Then
            fileName = fileName.Substring(0, 12)
        End If

Response.Clear()
Response.ContentType = "application/octet-stream"
Response.AddHeader("Content-Disposition", "attachment; filename=" & HttpUtility.UrlEncode(fileName) & extandName)
Response.WriteFile(mPath + str_att)

关注博主即可阅读全文