asp无组件上传图片并生成缩略图
2008-11-07 10:39
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先创建一文件夹，并创建虚拟目录或站长点。
1.增加上传页xAdd.html
<html>
<head>
<title>无组件上传</title>
</head>
<body>
<form method="POST" name="myform" action="xSave.asp" target="_self">
<input name="PicPath" type="text" id="PicPath" readonly="true">
<input name="sPicPath" type="hidden" id="sPicPath">
<iframe id="Upload" src="upload.htm" frameborder=0 scrolling=no width="100%" height="20"></iframe>
<img src="" id="objimg" style="display:none;" />
</form>
</body>
</html>
2.上传页upload.htm
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<SCRIPT language=javascript>
function check_file()
{
var strFileName=form.FileName.value;
if (strFileName=="")
{
alert("请选择要上传的文件");
return false;
}
}
</SCRIPT>
</head>
<body leftmargin="0" topmargin="0">
<form action="upfile.asp" method="post" name="form1" enctype="multipart/form-data">
<input name="FileName" type="FILE" class="tx1" size="20" onChange="window.parent.document.getElementById('objimg').src=this.value;window.parent.document.getElementById('objimg').style.display='';">
<input type="submit" name="Submit" value="上传">
</form>
</body>
</html>
3.上传保存代码页upfile.asp
<!--#include file="upload.asp"-->
<%
Const MaxFileSize=300 '上传文件大小限制单位k
Const UpFileType="gif|jpg|bmp|png" '允许的上传文件类型
set fs=createobject("scripting.filesystemobject")
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<%
call upload_0() '使用化境无组件上传类
%>
</body>
</html>
<%
sub upload_0() '使用化境无组件上传类
set upload=new upload_file '建立上传对象
for each formName in upload.file '列出所有上传了的文件
set file=upload.file(formName) '生成一个文件对象
if file.filesize<100 then
msg="请先选择你要上传的文件！"
founderr=true
end if
if file.filesize>(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(file.FileExt)
Forumupload=split(UpFileType,"|")
for i=0 to ubound(Forumupload)
if fileEXT=trim(Forumupload(i)) then
EnableUpload=true
exit for
end if
next
if fileEXT="asp" 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
response.write"<SCRIPT language=JavaScript>alert('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 & "');"
response.write"javascript:history.go(-1)</SCRIPT>"
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"."
file.SaveToFile Server.mappath(FileName) '保存文件
file_on=Server.mappath(FileName)
if fs.FileExists(file_on) then
Set Jpeg = Server.CreateObject("Persits.Jpeg")
Jpeg.Open file_on
IW=Jpeg.OriginalWidth
IH=Jpeg.OriginalHeight
XH=130
XW=130
If IH>IW Then
VW =cint( XH*IW/IH)
VH=XH
Else
if IH=IW THEN
VW=XW
VH=XH
ELSE
VW = XW
VH=cint(XW*IH/IW)
end if
End If
Jpeg.Width = VW
Jpeg.Height = VH
fname1=split(Filename,"/")
chsave="s"&fname1(Ubound(fname1))
Jpeg.Save Server.MapPath(chsave)
Jpeg.close
Set Jpeg = nothing
msg="保存缩位图成功! --"
else
msg="保存缩位图不成功!--"
end if
msg=msg"上传文件成功！"
FileType=right(fileExt,3)
strJS=strJS & "window.parent.document.getElementById('PicPath').value='" & replace(filename,"../","") & "';" & vbcrlf
strJS=strJS & "window.parent.document.getElementById('sPicPath').value='" & replace(chsave,"../","") & "';" & vbcrlf
end if
strJS=strJS & "alert('" & msg & "');" & vbcrlf
strJS=strJS & "history.go(-1);" & vbcrlf
strJS=strJS & "</script>"
response.write strJS
set file=nothing
next
set upload=nothing
end sub
%>
4.upload.asp页
<%
'----------------------------------------------------------------------
'转发时请保留此声明信息,这段声明不并会影响你的速度!
'******************* 无组件上传类 ********************************
'声明:此上传类是在化境编程界发布的无组件上传类的基础上修改的.
'在与化境编程界无组件上传类相比,速度快了将近50倍,当上传4M大小的文件时
'服务器只需要10秒就可以处理完,是目前最快的无组件上传程序,当前版本为0.96
'源代码公开,免费使用,对于商业用途,请与作者联系
'文件属性：例如上传文件为c:/myfile/doc.txt
'FileName 文件名 字符串 "doc.txt"
'FileSize 文件大小 数值 1210
'FileType 文件类型 字符串 "text/plain"
'FileExt 文件扩展名 字符串 "txt"
'FilePath 文件原路径 字符串 "c:/myfile"
'使用时注意事项:
'由于Scripting.Dictionary区分大小写,所以在网页及ASP页的项目名都要相同的大小
'写,如果人习惯用大写或小写,为了防止出错的话,可以把
'sFormName = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
'改为
'(小写者)sFormName = LCase(Mid (sinfo,iFindStart,iFindEnd-iFindStart))
'(大写者)sFormName = UCase(Mid (sinfo,iFindStart,iFindEnd-iFindStart))
'**********************************************************************
'----------------------------------------------------------------------
dim oUpFileStream
Class upload_file
dim Form,File,Version
Private Sub Class_Initialize
'定义变量
dim RequestBinDate,sStart,bCrLf,sInfo,iInfoStart,iInfoEnd,tStream,iStart,oFileInfo
dim iFileSize,sFilePath,sFileType,sFormvalue,sFileName
dim iFindStart,iFindEnd
dim iFormStart,iFormEnd,sFormName
'代码开始
Version="无组件上传类 Version 0.96"
set Form = Server.CreateObject("Scripting.Dictionary")
set File = Server.CreateObject("Scripting.Dictionary")
if Request.TotalBytes < 1 then Exit Sub
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
RequestBinDate = oUpFileStream.Read
iFormEnd = oUpFileStream.Size
bCrLf = chrB(13) & chrB(10)
'取得每个项目之间的分隔符
sStart = MidB(RequestBinDate,1, InStrB(1,RequestBinDate,bCrLf)-1)
iStart = LenB (sStart)
iFormStart = iStart+2
'分解项目
Do
iInfoEnd = InStrB(iFormStart,RequestBinDate,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,RequestBinDate,sStart)-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
'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 = GetFileName(sFileName)
oFileInfo.FilePath = GetFilePath(sFileName)
oFileInfo.FileExt = GetFileExt(sFileName)
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
form.Add sFormName,sFormvalue
end if
tStream.Close
iFormStart = iFormStart+iStart+2
'如果到文件尾了就退出
loop until (iFormStart+2) = iFormEnd
RequestBinDate=""
set tStream = nothing
End Sub
Private Sub Class_Terminate
'清除变量及对像
if not Request.TotalBytes<1 then
oUpFileStream.Close
set oUpFileStream =nothing
end if
Form.RemoveAll
File.RemoveAll
set Form=nothing
set File=nothing
End Sub
'取得文件路径
Private function GetFilePath(FullPath)
If FullPath <> "" Then
GetFilePath = left(FullPath,InStrRev(FullPath, "/"))
Else
GetFilePath = ""
End If
End function
'取得文件名
Private function GetFileName(FullPath)
If FullPath <> "" Then
GetFileName = mid(FullPath,InStrRev(FullPath, "/")+1)
Else
GetFileName = ""
End If
End function
'取得扩展名
Private function GetFileExt(FullPath)
If FullPath <> "" Then
GetFileExt = mid(FullPath,InStrRev(FullPath, ".")+1)
Else
GetFileExt = ""
End If
End function
End Class
'文件属性类
Class FileInfo
dim FormName,FileName,FilePath,FileSize,FileType,FileStart,FileExt
Private Sub Class_Initialize
FileName = ""
FilePath = ""
FileSize = 0
FileStart= 0
FormName = ""
FileType = ""
FileExt = ""
End Sub
'保存文件方法
Public function SaveToFile(FullPath)
dim oFileStream,ErrorChar,i
SaveToFile=1
if trim(fullpath)="" or right(fullpath,1)="/" then exit function
set oFileStream=CreateObject("Adodb.Stream")
oFileStream.Type=1
oFileStream.Mode=3
oFileStream.Open
oUpFileStream.position=FileStart
oUpFileStream.copyto oFileStream,FileSize
oFileStream.SaveToFile FullPath,2
oFileStream.Close
set oFileStream=nothing
SaveToFile=0
end function
End Class
%>
1.增加上传页xAdd.html
<html>
<head>
<title>无组件上传</title>
</head>
<body>
<form method="POST" name="myform" action="xSave.asp" target="_self">
<input name="PicPath" type="text" id="PicPath" readonly="true">
<input name="sPicPath" type="hidden" id="sPicPath">
<iframe id="Upload" src="upload.htm" frameborder=0 scrolling=no width="100%" height="20"></iframe>
<img src="" id="objimg" style="display:none;" />
</form>
</body>
</html>
2.上传页upload.htm
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<SCRIPT language=javascript>
function check_file()
{
var strFileName=form.FileName.value;
if (strFileName=="")
{
alert("请选择要上传的文件");
return false;
}
}
</SCRIPT>
</head>
<body leftmargin="0" topmargin="0">
<form action="upfile.asp" method="post" name="form1" enctype="multipart/form-data">
<input name="FileName" type="FILE" class="tx1" size="20" onChange="window.parent.document.getElementById('objimg').src=this.value;window.parent.document.getElementById('objimg').style.display='';">
<input type="submit" name="Submit" value="上传">
</form>
</body>
</html>
3.上传保存代码页upfile.asp
<!--#include file="upload.asp"-->
<%
Const MaxFileSize=300 '上传文件大小限制单位k
Const UpFileType="gif|jpg|bmp|png" '允许的上传文件类型
set fs=createobject("scripting.filesystemobject")
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<%
call upload_0() '使用化境无组件上传类
%>
</body>
</html>
<%
sub upload_0() '使用化境无组件上传类
set upload=new upload_file '建立上传对象
for each formName in upload.file '列出所有上传了的文件
set file=upload.file(formName) '生成一个文件对象
if file.filesize<100 then
msg="请先选择你要上传的文件！"
founderr=true
end if
if file.filesize>(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(file.FileExt)
Forumupload=split(UpFileType,"|")
for i=0 to ubound(Forumupload)
if fileEXT=trim(Forumupload(i)) then
EnableUpload=true
exit for
end if
next
if fileEXT="asp" 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
response.write"<SCRIPT language=JavaScript>alert('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 & "');"
response.write"javascript:history.go(-1)</SCRIPT>"
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"."
file.SaveToFile Server.mappath(FileName) '保存文件
file_on=Server.mappath(FileName)
if fs.FileExists(file_on) then
Set Jpeg = Server.CreateObject("Persits.Jpeg")
Jpeg.Open file_on
IW=Jpeg.OriginalWidth
IH=Jpeg.OriginalHeight
XH=130
XW=130
If IH>IW Then
VW =cint( XH*IW/IH)
VH=XH
Else
if IH=IW THEN
VW=XW
VH=XH
ELSE
VW = XW
VH=cint(XW*IH/IW)
end if
End If
Jpeg.Width = VW
Jpeg.Height = VH
fname1=split(Filename,"/")
chsave="s"&fname1(Ubound(fname1))
Jpeg.Save Server.MapPath(chsave)
Jpeg.close
Set Jpeg = nothing
msg="保存缩位图成功! --"
else
msg="保存缩位图不成功!--"
end if
msg=msg"上传文件成功！"
FileType=right(fileExt,3)
strJS=strJS & "window.parent.document.getElementById('PicPath').value='" & replace(filename,"../","") & "';" & vbcrlf
strJS=strJS & "window.parent.document.getElementById('sPicPath').value='" & replace(chsave,"../","") & "';" & vbcrlf
end if
strJS=strJS & "alert('" & msg & "');" & vbcrlf
strJS=strJS & "history.go(-1);" & vbcrlf
strJS=strJS & "</script>"
response.write strJS
set file=nothing
next
set upload=nothing
end sub
%>
4.upload.asp页
<%
'----------------------------------------------------------------------
'转发时请保留此声明信息,这段声明不并会影响你的速度!
'******************* 无组件上传类 ********************************
'声明:此上传类是在化境编程界发布的无组件上传类的基础上修改的.
'在与化境编程界无组件上传类相比,速度快了将近50倍,当上传4M大小的文件时
'服务器只需要10秒就可以处理完,是目前最快的无组件上传程序,当前版本为0.96
'源代码公开,免费使用,对于商业用途,请与作者联系
'文件属性：例如上传文件为c:/myfile/doc.txt
'FileName 文件名 字符串 "doc.txt"
'FileSize 文件大小 数值 1210
'FileType 文件类型 字符串 "text/plain"
'FileExt 文件扩展名 字符串 "txt"
'FilePath 文件原路径 字符串 "c:/myfile"
'使用时注意事项:
'由于Scripting.Dictionary区分大小写,所以在网页及ASP页的项目名都要相同的大小
'写,如果人习惯用大写或小写,为了防止出错的话,可以把
'sFormName = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
'改为
'(小写者)sFormName = LCase(Mid (sinfo,iFindStart,iFindEnd-iFindStart))
'(大写者)sFormName = UCase(Mid (sinfo,iFindStart,iFindEnd-iFindStart))
'**********************************************************************
'----------------------------------------------------------------------
dim oUpFileStream
Class upload_file
dim Form,File,Version
Private Sub Class_Initialize
'定义变量
dim RequestBinDate,sStart,bCrLf,sInfo,iInfoStart,iInfoEnd,tStream,iStart,oFileInfo
dim iFileSize,sFilePath,sFileType,sFormvalue,sFileName
dim iFindStart,iFindEnd
dim iFormStart,iFormEnd,sFormName
'代码开始
Version="无组件上传类 Version 0.96"
set Form = Server.CreateObject("Scripting.Dictionary")
set File = Server.CreateObject("Scripting.Dictionary")
if Request.TotalBytes < 1 then Exit Sub
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
RequestBinDate = oUpFileStream.Read
iFormEnd = oUpFileStream.Size
bCrLf = chrB(13) & chrB(10)
'取得每个项目之间的分隔符
sStart = MidB(RequestBinDate,1, InStrB(1,RequestBinDate,bCrLf)-1)
iStart = LenB (sStart)
iFormStart = iStart+2
'分解项目
Do
iInfoEnd = InStrB(iFormStart,RequestBinDate,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,RequestBinDate,sStart)-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
'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 = GetFileName(sFileName)
oFileInfo.FilePath = GetFilePath(sFileName)
oFileInfo.FileExt = GetFileExt(sFileName)
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
form.Add sFormName,sFormvalue
end if
tStream.Close
iFormStart = iFormStart+iStart+2
'如果到文件尾了就退出
loop until (iFormStart+2) = iFormEnd
RequestBinDate=""
set tStream = nothing
End Sub
Private Sub Class_Terminate
'清除变量及对像
if not Request.TotalBytes<1 then
oUpFileStream.Close
set oUpFileStream =nothing
end if
Form.RemoveAll
File.RemoveAll
set Form=nothing
set File=nothing
End Sub
'取得文件路径
Private function GetFilePath(FullPath)
If FullPath <> "" Then
GetFilePath = left(FullPath,InStrRev(FullPath, "/"))
Else
GetFilePath = ""
End If
End function
'取得文件名
Private function GetFileName(FullPath)
If FullPath <> "" Then
GetFileName = mid(FullPath,InStrRev(FullPath, "/")+1)
Else
GetFileName = ""
End If
End function
'取得扩展名
Private function GetFileExt(FullPath)
If FullPath <> "" Then
GetFileExt = mid(FullPath,InStrRev(FullPath, ".")+1)
Else
GetFileExt = ""
End If
End function
End Class
'文件属性类
Class FileInfo
dim FormName,FileName,FilePath,FileSize,FileType,FileStart,FileExt
Private Sub Class_Initialize
FileName = ""
FilePath = ""
FileSize = 0
FileStart= 0
FormName = ""
FileType = ""
FileExt = ""
End Sub
'保存文件方法
Public function SaveToFile(FullPath)
dim oFileStream,ErrorChar,i
SaveToFile=1
if trim(fullpath)="" or right(fullpath,1)="/" then exit function
set oFileStream=CreateObject("Adodb.Stream")
oFileStream.Type=1
oFileStream.Mode=3
oFileStream.Open
oUpFileStream.position=FileStart
oUpFileStream.copyto oFileStream,FileSize
oFileStream.SaveToFile FullPath,2
oFileStream.Close
set oFileStream=nothing
SaveToFile=0
end function
End Class
%>
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