asp.net 上传文件

asp.net

上传文件

需积分: 9 1 下载量 95 浏览量 2012-08-01 15:21:35 上传评论收藏 6KB TXT 举报

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asp.net 支持多种上传格式，绝对好用

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<%
Response.Buffer = True
Server.ScriptTimeOut=9999999
On Error Resume Next
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>文件上传</title>

</head>
<body>
<%
ExtName = "jpg,gif,png,rar,txt,zip,doc,xls,exe,pdf" '允许扩展名
SavePath = "upload" '保存路径
If Right(SavePath,1)<>"/" Then SavePath=SavePath&"/" '在目录后加(/)
CheckAndCreateFolder(SavePath)

UpLoadAll_a = Request.TotalBytes '取得客户端全部内容
If(UpLoadAll_a>0) Then
Set UploadStream_c = Server.CreateObject("ADODB.Stream")
UploadStream_c.Type = 1
UploadStream_c.Open
UploadStream_c.Write Request.BinaryRead(UpLoadAll_a)
UploadStream_c.Position = 0

FormDataAll_d = UploadStream_c.Read

CrLf_e = chrB(13)&chrB(10)
FormStart_f = InStrB(FormDataAll_d,CrLf_e)
FormEnd_g = InStrB(FormStart_f+1,FormDataAll_d,CrLf_e)

Set FormStream_h = Server.Createobject("ADODB.Stream")
FormStream_h.Type = 1
FormStream_h.Open
UploadStream_c.Position = FormStart_f + 1
UploadStream_c.CopyTo FormStream_h,FormEnd_g-FormStart_f-3
FormStream_h.Position = 0
FormStream_h.Type = 2
FormStream_h.CharSet = "GB2312"
FormStreamText_i = FormStream_h.Readtext
FormStream_h.Close

FileName_j = Mid(FormStreamText_i,InstrRev(FormStreamText_i,"\")+1,FormEnd_g)

If(CheckFileExt(FileName_j,ExtName)) Then
SaveFile = Server.MapPath(SavePath & FileName_j)
If Err Then
Response.Write "文件上传： <span style=""color:red;"">文件上传出错!</span>　<a href=""" & Request.ServerVariables("URL") &""">重新上传文件</a><br />"
Err.Clear
Else
SaveFile = CheckFileExists(SaveFile)

k=Instrb(FormDataAll_d,CrLf_e&CrLf_e)+4
l=Instrb(k+1,FormDataAll_d,leftB(FormDataAll_d,FormStart_f-1))-k-2
FormStream_h.Type=1
FormStream_h.Open
UploadStream_c.Position=k-1

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