无聊,申请了一个2级域名小弟想做个网页,实现本地文件上传,不过我不太懂ASP网上的东西又用不来特求源码尽量说的能详细点.谢谢
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1.存为 upfile_class.asp
<%
Dim oUpFileStream
'文件上传类
Class UpFile_ClassDim Form,File,Version,Err Private Sub Class_Initialize
Version = "无惧上传类 Version V1.2"
Err = -1
End SubPrivate Sub Class_Terminate
'清除变量及对像
If Err < 0 Then
Form.RemoveAll
Set Form = Nothing
File.RemoveAll
Set File = Nothing
oUpFileStream.Close
Set oUpFileStream = Nothing
End If
End Sub
Public Sub GetData (MaxSize)
'定义变量
Dim RequestBinData,sSpace,bCrLf,sInfo,iInfoStart,iInfoEnd,tStream,iStart,oFileInfo
Dim iFileSize,sFilePath,sFileType,sFormValue,sFileName
Dim iFindStart,iFindEnd
Dim iFormStart,iFormEnd,sFormName
'代码开始
If Request.TotalBytes < 1 Then '如果没有数据上传
Err = 1
Exit Sub
End If
If MaxSize > 0 Then '如果限制大小
If Request.TotalBytes > MaxSize Then
Err = 2 '如果上传的数据超出限制
Exit Sub
End If
End If
Set Form = Server.CreateObject ("Scripting.Dictionary")
Form.CompareMode = 1
Set File = Server.CreateObject ("Scripting.Dictionary")
File.CompareMode = 1
Set tStream = Server.CreateObject ("ADODB.Stream")
Set oUpFileStream = Server.CreateObject ("ADODB.Stream")
oUpFileStream.Type = 1
oUpFileStream.Mode = 3
oUpFileStream.Open
oUpFileStream.Write Request.BinaryRead (Request.TotalBytes)
oUpFileStream.Position = 0
RequestBinData = oUpFileStream.Read
iFormEnd = oUpFileStream.Size
bCrLf = ChrB (13) & ChrB (10)
'取得每个项目之间的分隔符
sSpace = MidB (RequestBinData,1, InStrB (1,RequestBinData,bCrLf)-1)
iStart = LenB (sSpace)
iFormStart = iStart+2
'分解项目
Do
iInfoEnd = InStrB (iFormStart,RequestBinData,bCrLf & bCrLf)+3
tStream.Type = 1
tStream.Mode = 3
tStream.Open
oUpFileStream.Position = iFormStart
oUpFileStream.CopyTo tStream,iInfoEnd-iFormStart
tStream.Position = 0
tStream.Type = 2
tStream.CharSet = "gb2312"
sInfo = tStream.ReadText
'取得表单项目名称
iFormStart = InStrB (iInfoEnd,RequestBinData,sSpace)-1
iFindStart = InStr (22,sInfo,"name=""",1)+6
iFindEnd = InStr (iFindStart,sInfo,"""",1)
sFormName = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
'如果是文件
If InStr (45,sInfo,"filename=""",1) > 0 Then
Set oFileInfo = new FileInfo_Class
'取得文件属性
iFindStart = InStr (iFindEnd,sInfo,"filename=""",1)+10
iFindEnd = InStr (iFindStart,sInfo,"""",1)
sFileName = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
oFileInfo.FileName = trim(Mid (sFileName,InStrRev (sFileName, "\")+1))
oFileInfo.FilePath = trim(Left (sFileName,InStrRev (sFileName, "\")))
oFileInfo.FileExt = trim(Mid (sFileName,InStrRev (sFileName, ".")+1))
iFindStart = InStr (iFindEnd,sInfo,"Content-Type: ",1)+14
iFindEnd = InStr (iFindStart,sInfo,vbCr)
oFileInfo.FileType = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
oFileInfo.FileStart = iInfoEnd
oFileInfo.FileSize = iFormStart -iInfoEnd -2
oFileInfo.FormName = sFormName
file.add sFormName,oFileInfo
else
'如果是表单项目
tStream.Close
tStream.Type = 1
tStream.Mode = 3
tStream.Open
oUpFileStream.Position = iInfoEnd
oUpFileStream.CopyTo tStream,iFormStart-iInfoEnd-2
tStream.Position = 0
tStream.Type = 2
tStream.CharSet = "gb2312"
sFormValue = tStream.ReadText
If Form.Exists (sFormName) Then
Form (sFormName) = Form (sFormName) & ", " & sFormValue
else
form.Add sFormName,sFormValue
End If
End If
tStream.Close
iFormStart = iFormStart+iStart+2
'如果到文件尾了就退出
Loop Until (iFormStart+2) >= iFormEnd
RequestBinData = ""
Set tStream = Nothing
End Sub
End Class'----------------------------------------------------------------------------------------------------
'文件属性类
Class FileInfo_Class
Dim FormName,FileName,FilePath,FileSize,FileType,FileStart,FileExt
'保存文件方法
Public Function SaveToFile (Path)
On Error Resume Next
Dim oFileStream
Set oFileStream = CreateObject ("ADODB.Stream")
oFileStream.Type = 1
oFileStream.Mode = 3
oFileStream.Open
oUpFileStream.Position = FileStart
oUpFileStream.CopyTo oFileStream,FileSize
oFileStream.SaveToFile Path,2
oFileStream.Close
Set oFileStream = Nothing
End Function
'取得文件数据
Public Function FileData
oUpFileStream.Position = FileStart
FileData = oUpFileStream.Read (FileSize)
End FunctionEnd Class
%>
<%@language=vbscript codepage=936 %>
<!--#include file="upfile_class.asp"-->
<%
const upload_type=0
const SaveUpFilesPath="Uploadpic"const UpFileType="jpg|gif|bmp|png|swf"
const MaxFileSize=102400
const EnableUploadFile="Yes"
dim upload,oFile,formName,SavePath,filename,fileExt,oFileSize
dim EnableUpload
dim arrUpFileType
dim ranNum
dim msg,FoundErr
dim PhotoUrlID
msg=""
FoundErr=false
EnableUpload=false
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
BODY{
BACKGROUND-COLOR: #eeeeee;
font-size:9pt
}
.tx1 { height: 20px;font-size: 9pt; border: 1px solid; border-color: #000000; color: #0000FF}
-->
</style>
</head>
<body leftmargin="2" topmargin="5" marginwidth="0" marginheight="0">
<%
if EnableUploadFile="No" then
response.write "系统未开放文件上传功能"
else
select case upload_type
case 0
call upload_0() '使用化境无组件上传类
case else
'response.write "本系统未开放插件功能"
'response.end
end select
end if
%>
</body>
</html>
<%
sub upload_0() '使用化境无组件上传类
set upload=new upfile_class ''建立上传对象
upload.GetData(104857600) '取得上传数据,限制最大上传100M
if upload.err > 0 then '如果出错
select case upload.err
case 1
response.write "请先选择你要上传的文件!"
case 2
response.write "你上传的文件总大小超出了最大限制(100M)"
end select
response.end
end if
SavePath = SaveUpFilesPath '存放上传文件的目录
if right(SavePath,1)<>"/" then SavePath=SavePath&"/" '在目录后加(/)
for each formName in upload.file '列出所有上传了的文件
EnableUpload=False
set ofile=upload.file(formName) '生成一个文件对象
oFileSize=ofile.filesize
if oFileSize<100 then
msg="请先选择你要上传的文件!"
FoundErr=True
elseif oFileSize>(MaxFileSize*1024) then
msg="文件大小超过了限制,最大只能上传" & CStr(MaxFileSize) & "K的文件!"
FoundErr=true
end if fileExt=lcase(ofile.FileExt)
arrUpFileType=split(UpFileType,"|")
for i=0 to ubound(arrUpFileType)
if fileEXT=trim(arrUpFileType(i)) then
EnableUpload=true
exit for
end if
next
if fileEXT="asp" or fileEXT="asa" or fileEXT="aspx" or fileEXT="cer" or fileEXT="cdx" then
EnableUpload=false
end if
if EnableUpload=false then
msg="这种文件类型不允许上传!\n\n只允许上传这几种文件类型:" & UpFileType
FoundErr=true
end if
strJS="<SCRIPT language=javascript>" & vbcrlf
if FoundErr<>true then
randomize
ranNum=int(900*rnd)+100
filename=SavePath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&"."&fileExt ofile.SaveToFile Server.mappath(FileName) '保存文件 response.write "图片上传成功!图片大小为:" & cstr(round(oFileSize/1024)) & "K"
else
strJS=strJS & "alert('" & msg & "');" & vbcrlf
strJS=strJS & "history.go(-1);" & vbcrlf
end if
strJS=strJS & "</script>" & vbcrlf
response.write strJS
set file=nothing
next
set upload=nothing
end sub
%>
3.存为Upload_Photo.asp,然后放在WEB根目录下,再建一个空的目录Uploadpic放上传的图片就可以了
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
<!--
BODY{
BACKGROUND-COLOR: #eeeeee;
font-size:9pt
}
.tx1 { height: 20px;font-size: 9pt; border: 1px solid; border-color: #000000; color: #0000FF}
-->
</style><SCRIPT language=javascript>
function check()
{
var strFileName=document.form1.FileName.value;
if (strFileName=="")
{
alert("请选择要上传的文件");
document.form1.FileName.focus();
return false;
}
}
</SCRIPT>
</head>
<body leftmargin="0" topmargin="0"><form action="Upfile_Photo.asp" method="post" name="form1" onSubmit="return check()" enctype="multipart/form-data">
<input name="FileName" type="FILE" class="tx1" size="30">
<input type="submit" name="Submit" value="上传" style="border:1px double rgb(88,88,88);font:9pt">
</form></body>
</html>