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ASP.NET3.5上传和删除2个小问题

方案怎么写 • 2023-4-14 • 教程 • 阅读 24

ASP.NET3.5上传和删除2个小问题,第1张

设想 1 是完全OK的。

设想 2 你的思路错了，你要删除的是服务器端枣唤的文件巧岩烂，fileupload 只能查看客户端的文孝漏件，在这里没有用武之地。你要有一个页面，来展示服务端某个目录下的所有图片文件，然后让用户选择要删除的，你后台再删除。

分类: 电脑/网络 >>程序设计 >>其他编程语言

问题描述:

asp程迟纳哗序如何上传？

解析:

先给你个无组茄握件UPLAOD 的类给你。包括说明 至于删除使用FSO的 DELETEFILE就码行可以了

文件：upload_5xsoft.inc

<!--METADATA TYPE="TypeLib" UUID="{***********-0000-0010-8000-00aa006d2ea4}"-->

<%

dim fo,gPath,gAct,gFileName,gFilePath,g,gRootUrl,gBaseUrl,gPage,gSearch,gEachPage,gFolder,gFilter

dim gPageSize,sTemp,gNoFile

dim sfor(28,2)

gPageSize=100

gRootUrl=Session("webeditbase")

if right(gRootUrl,1)<>"/" then gRootUrl=gRootUrl&"/"

gNoFile=array("asp","aspx") '禁止访问的脚本

set fo=Server.CreateObject("Scripting.FileSystemObject")

sFor(0,0)="txt":sFor(0,1)=1

sFor(1,0)="chm":sFor(1,1)=2

sFor(2,0)="hlp":sFor(2,1)=2

sFor(3,0)="doc":sFor(3,1)=3

sFor(4,0)="pdf":sFor(4,1)=4

sFor(5,0)="gif":sFor(5,1)=6

sFor(6,0)="":sFor(6,1)=6

sFor(7,0)="png":sFor(7,1)=6

sFor(8,0)="bmp":sFor(8,1)=6

sFor(9,0)="asp":sFor(9,1)=7

sFor(10,0)="jsp":sFor(10,1)=7

sFor(11,0)="js" :sFor(11,1)=7

sFor(12,0)="":sFor(12,1)=8

sFor(13,0)="":sFor(13,1)=8

sFor(14,0)="s":sFor(14,1)=8

sFor(15,0)="zip":sFor(15,1)=9

sFor(16,0)="rar":sFor(16,1)=9

sFor(17,0)="exe":sFor(17,1)=10

sFor(18,0)="avi":sFor(18,1)=11

sFor(19,0)="mpg":sFor(19,1)=11

sFor(20,0)="ra" :sFor(20,1)=12

sFor(21,0)="ram":sFor(21,1)=12

sFor(22,0)="mid":sFor(22,1)=13

sFor(23,0)="wav":sFor(23,1)=13

sFor(24,0)="mp3":sFor(24,1)=13

sFor(25,0)="asf":sFor(25,1)=11

sFor(26,0)="php":sFor(26,1)=7

sFor(27,0)="php3":sFor(27,1)=7

sFor(28,0)="aspx":sFor(28,1)=7

gFilePath=Request.ServerVariables("SCRIPT_NAME")

gFileName=mid(gFilePath,instrRev(gFilePath,"/")+1)

gFilePath=lcase(left(gFilePath,instrRev(gFilePath,"/")))

gPath=lcase(getVar("path","str",gRootUrl))

if left(gPath,1)<>"/" then gPath=gRootUrl&gPath

gPage=getVar("page","num",1)

gAct=getVar("act","str","")

gFilter=getVar("filter","str","")

setBaseUrl

sub setBaseUrl()

gBaseUrl=gFileName&"?page="&gPage&"&path="&gPath

if gFilter<>"" then gBaseUrl=gBaseUrl&"&filter="&gFilter

end sub

function getVar(theStr,strType,defValue)

select case strType

case "str"

if isEmpty(Request.QueryString(theStr)) or trim(Request.QueryString(theStr))="" then

getVar=defValue

else

getVar=trim(Request.QueryString(theStr))

end if

case "num"

if isEmpty(Request.QueryString(theStr)) or not isNumeric(Request.QueryString(theStr)) then

getVar=defValue

else

getVar=cint(Request.QueryString(theStr))

end if

case else

getStr=defValue

end select

end function

function getForm(theStr,strType,defValue)

select case strType

case "str"

if isEmpty(Request.form(theStr)) or trim(Request.form(theStr))="" then

getForm=defValue

else

getForm=trim(Request.form(theStr))

end if

case "num"

if isEmpty(Request.form(theStr)) or not isNumeric(Request.form(theStr)) then

getForm=defValue

else

getForm=cint(Request.form(theStr))

end if

case else

getForm=defValue

end select

end function

sub End(info,i *** ack,dir)

set fo=nothing

set gFolder=nothing

if info<>"" then Response.Write("<script language=""javascript"">alert('"&info&"')</script>")

select case i *** ack

case 1

Response.Write("<script language=""javascript"">history.back()</script>")

case 2

Response.Write("<script language=""javascript"">location.href='"&dir&"'</script>")

end select

Response.write("</body></>")

Response.End

end sub

function procIsEdit(sName)

dim i1,i,isEdit

isEdit=Array(1,7,8)

procIsEdit=0

i1=procGetFormat(sName)

for i=0 to ubound(isEdit)

if isEdit(i)=i1 then

procIsEdit=1

exit for

end if

next

end function

function procGetExtName(sName)

procGetExtName=""

if instrRev(sName,".")<1 then exit function

procGetExtName=lcase(mid(sName,instrRev(sName,".")+1))

end function

function procGetFormat(sName)

dim i,str

procGetFormat=0

if instrRev(sName,".")=0 then exit function

str=lcase(mid(sName,instrRev(sName,".")+1))

for i=0 to uBound(sFor,1)

if str=sFor(i,0) then

procGetFormat=sFor(i,1)

exit for

end if

next

end function

function procCheckFile(sName,ischeck)

dim sExt,sPath,i,errorchar

errorchar=array("'","""","\","/","*","?","&","|","<",">")

procCheckFile="ok"

sExt=lcase(procGetExtName(sName))

if gFilter<>"" then

if instr(sName,gFilter)<1 then

procCheckFile="没有权限访问此文件!"

exit function

end if

end if

if Session("webeditrun")="0" then

for i=0 to ubound(gNoFile)

if gNoFile(i)=sExt then

procCheckFile="没有权限访问此文件!"

exit function

end if

next

end if

if ischeck>0 then

sPath=left(sName,instrRev(sName,"/"))

sPath=procCheckDir(sPath,1)

if sPath<>"ok" then

procCheckFile=sPath

exit function

end if

if ischeck=1 and not fo.FileExists(Server.MapPath(sName)) then

procCheckFile="文件没有找到!"

exit function

end if

else

for i=0 to ubound(errorchar)

if instr(sName,errorchar(i))>0 then

procCheckFile="文件名中含有非法字符!"

exit function

end if

next

end if

procCheckFile="ok"

end function

function procCheckDir(sPath,mode)

dim errorchar,i,hd,str

sPath=lcase(sPath)

procCheckDir="ok"

errorchar=array("'","""","\","..","","*","?","&","|","<",">")

if isempty(sPath) or trim(sPath)="" then

procCheckDir="目录不能为空!"

exit function

end if

for i=0 to ubound(errorchar)

if instr(sPath,errorchar(i))>0 then

procCheckDir="目录名中含有非法字符"

exit function

end if

next

if gFilePath=left(sPath,len(gFilePath)) then

procCheckDir="没有权限访问此目录!"

exit function

end if

if mode=0 then exit function

if not fo.FolderExists(Server.MapPath(sPath)) then

procCheckDir="目录"&sPath&"没有找到!"

exit function

end if

if left(sPath,len(gRootUrl))<>gRootUrl then

procCheckDir="没有权限访问此目录!"

exit Function

end if

end function

'取文件夹的类型

Function GetFileExt(strFilePath)

GetFileExt=Mid(strFilePath,InstrRev(strFilePath,"."))

End Function

%>

<SCRIPT RUNAT=SERVER LANGUAGE=VBSCRIPT>

'''''''''''''''''''''''''''''''''''''''''''''''''

'

'请保留此信息: 稻香老农制作5xSoft/

'

'''''''''''''''''''''''''''''''''''''''''''''''''

dim upfile_5xSoft_Stream

Class upload_5xSoft

dim Form,File,Version

Private Sub Class_Initialize

dim iStart,iFileNameStart,iFileNameEnd,iEnd,vbEnter,iFormStart,iFormEnd,theFile

dim strDiv,mFormName,mFormValue,mFileName,mFileSize,mFilePath,iDivLen,mStr

Version="数据添加成功!!"

if Request.TotalBytes<1 then Exit Sub

set Form=CreateObject("Scripting.Dictionary")

set File=CreateObject("Scripting.Dictionary")

set upfile_5xSoft_Stream=CreateObject("Adodb.Stream")

upfile_5xSoft_Stream.mode=3

upfile_5xSoft_Stream.type=1

upfile_5xSoft_Stream.open

upfile_5xSoft_Stream.write Request.BinaryRead(Request.TotalBytes)

vbEnter=Chr(13)&Chr(10)

iDivLen=inString(1,vbEnter)+1

strDiv=subString(1,iDivLen)

iFormStart=iDivLen

iFormEnd=inString(iformStart,strDiv)-1

while iFormStart <iFormEnd

iStart=inString(iFormStart,"name=""")

iEnd=inString(iStart+6,"""")

mFormName=subString(iStart+6,iEnd-iStart-6)

iFileNameStart=inString(iEnd+1,"filename=""")

if iFileNameStart>0 and iFileNameStart<iFormEnd then

iFileNameEnd=inString(iFileNameStart+10,"""")

mFileName=subString(iFileNameStart+10,iFileNameEnd-iFileNameStart-10)

iStart=inString(iFileNameEnd+1,vbEnter&vbEnter)

iEnd=inString(iStart+4,vbEnter&strDiv)

if iEnd>iStart then

mFileSize=iEnd-iStart-4

else

mFileSize=0

end if

set theFile=new FileInfo

theFile.FileName=getFileName(mFileName)

theFile.FilePath=getFilePath(mFileName)

theFile.FileSize=mFileSize

theFile.FileStart=iStart+4

theFile.FormName=FormName

file.add mFormName,theFile

else

iStart=inString(iEnd+1,vbEnter&vbEnter)

iEnd=inString(iStart+4,vbEnter&strDiv)

if iEnd>iStart then

mFormValue=subString(iStart+4,iEnd-iStart-4)

else

mFormValue=""

end if

form.Add mFormName,mFormValue

end if

iFormStart=iformEnd+iDivLen

iFormEnd=inString(iformStart,strDiv)-1

wend

End Sub

Private Function subString(theStart,theLen)

dim i,c,stemp

upfile_5xSoft_Stream.Position=theStart-1

stemp=""

for i=1 to theLen

if upfile_5xSoft_Stream.EOS then Exit for

c=ascB(upfile_5xSoft_Stream.Read(1))

If c >127 Then

if upfile_5xSoft_Stream.EOS then Exit for

stemp=stemp&Chr(AscW(ChrB(AscB(upfile_5xSoft_Stream.Read(1)))&ChrB(c)))

i=i+1

else

stemp=stemp&Chr(c)

End If

Next

subString=stemp

End function

Private Function inString(theStart,varStr)

dim i,j,bt,theLen,str

InString=0

Str=toByte(varStr)

theLen=LenB(Str)

for i=theStart to upfile_5xSoft_Stream.Size-theLen

if i>upfile_5xSoft_Stream.size then exit Function

upfile_5xSoft_Stream.Position=i-1

if AscB(upfile_5xSoft_Stream.Read(1))=AscB(midB(Str,1)) then

InString=i

for j=2 to theLen

if upfile_5xSoft_Stream.EOS then

inString=0

Exit for

end if

if AscB(upfile_5xSoft_Stream.Read(1))<>AscB(MidB(Str,j,1)) then

InString=0

Exit For

end if

next

if InString<>0 then Exit Function

end if

next

End Function

Private Sub Class_Terminate

form.RemoveAll

file.RemoveAll

set form=nothing

set file=nothing

upfile_5xSoft_Stream.close

set upfile_5xSoft_Stream=nothing

End Sub

Private function GetFilePath(FullPath)

If FullPath <>"" Then

GetFilePath = left(FullPath,InStrRev(FullPath, "\"))

Else

GetFilePath = ""

End If

End function

Private function GetFileName(FullPath)

If FullPath <>"" Then

GetFileName = mid(FullPath,InStrRev(FullPath, "\")+1)

Else

GetFileName = ""

End If

End function

Private function toByte(Str)

dim i,iCode,c,iLow,iHigh

toByte=""

For i=1 To Len(Str)

c=mid(Str,i,1)

iCode =Asc(c)

If iCode<0 Then iCode = iCode + 65535

If iCode>255 Then

iLow = Left(Hex(Asc(c)),2)

iHigh =Right(Hex(Asc(c)),2)

toByte = toByte &chrB("&H"&iLow) &chrB("&H"&iHigh)

Else

toByte = toByte &chrB(AscB(c))

End If

Next

End function

End Class

Class FileInfo

dim FormName,FileName,FilePath,FileSize,FileStart

Private Sub Class_Initialize

FileName = ""

FilePath = ""

FileSize = 0

FileStart= 0

FormName = ""

End Sub

Public function SaveAs(FullPath)

dim dr,ErrorChar,i

SaveAs=1

if trim(fullpath)="" or FileSize=0 or FileStart=0 or FileName="" then exit function

if FileStart=0 or right(fullpath,1)="/" then exit function

set dr=CreateObject("Adodb.Stream")

dr.Mode=3

dr.Type=1

dr.Open

upfile_5xSoft_Stream.position=FileStart-1

upfile_5xSoft_Stream.copyto dr,FileSize

dr.SaveToFile FullPath,2

dr.Close

set dr=nothing

SaveAs=0

end function

End Class

</SCRIPT>

上传表单:

<form action="upload" method="post" enctype="multipart/form-data" name=form1>

上传:<input name=file type=file size="30">

<input type=submit>

</form>

文件upload

<!--#include FILE="upload_5xsoft.inc"-->

<%

formPath="c:\upload\"

set upload=new upload_5xSoft

for each formName in upload.file

set file=upload.file(formName)

if file.FileSize>0 then

response.write "<br>"&file.FilePath&file.FileName&",大小:"&file.FileSize&" =>"&formPath&file.FileName

file.SaveAs Server.mappath(formPath&file.FileName)

end if

next

%>

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原文地址: http://outofmemory.cn/tougao/8228713.html

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