标题: [求助]图片上传问题 [打印本页] 作者: 萧十一郎 时间: 2010-1-17 00:31 标题: [求助]图片上传问题 第一页中的 upfile_class.asp
<%
Dim oUpFileStream
'文件上传类
Class UpFile_Class
Dim Form,File,Version,Err
Private Sub Class_Initialize
Version = "无惧上传类 Version V1.2"
Err = -1
End Sub
Private 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 = Mid (sFileName,InStrRev (sFileName, "\")+1)
oFileInfo.FilePath = Left (sFileName,InStrRev (sFileName, "\"))
oFileInfo.FileExt = 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 Function
End Class
%>
第二页
<!--#include file="upfile_class.asp"-->
<%
const upload_type=0 '上传方法：0=无惧无组件上传类，1=FSO上传 2=lyfupload，3=aspupload，4=chinaaspupload
'const SaveUpFilesPath="UploadThumbs"
'const SaveUpFilesPath2="../pic"
SaveUpFilesPath2="../pic"&"/"¤t_M&"/"¤t_D
const UpFileType="jpg|gif|bmp|png|swf|asp|rar"
const EnableUploadFile="Yes"
const MaxFileSize=102400
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: #E1F4EE;
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
'if session("AdminName")="" and request.Cookies("asp163")("UserName")="" then
'response.Write("请登录后再使用本功能！")
'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
'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
'PhotoUrlID=Clng(trim(upload.form("PhotoUrlID")))
'if PhotoUrlID>0 then
SavePath = SaveUpFilesPath2 '存放上传文件的目录
'else
'SavePath = SaveUpFilesPath '存放上传文件的目录
'end if
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
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="exe" or fileEXT="asa" or fileEXT="aspx" 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=year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&"."&fileExt