asp+图片上传问题 + 急！

2006-07-03 07:42:25 241 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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js——高阶函数、闭包、递归 js——高阶函数、闭包、递归阅读详情

各位大虾帮帮忙了，就是图片上传（无组件），要求数据库保存图片路径及名称，图片保存到站点的文件夹内，并且前台输入图片名称能查询到该图片，有图片连接。

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JavaScript 闭包与递归深度解析：从理论到实战本文系统梳理了JavaScript中闭包与递归的核心概念及应用。闭包是内部函数访问外部变量形成的独立环境，可用于解决循环变量共享问题、实现数据封装。递归通过函数自我调用来分解问题，需明确初始条件和递推公式。文中通过典型示例讲解了两种技术的实现方法，包括闭包在DOM操作和类封装中的应用，递归在数学计算和嵌套对象访问中的使用。最后分析了一个结合闭包与定时器的面试题实现方案，对比了正确与错误写法。掌握这两种技术对编写高质量JavaScript代码至关重要。阅读详情

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denggaojian 2007-01-12

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upload_wj.inc如下
****************************************************************************
<%
'----------------------------------------------------------------------
'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 ********************************
'修改者:梁无惧
'电子邮件:yjlrb@21cn.com
'网站:http://www.25cn.com
'原作者:稻香老农
'原作者网站:http://www.5xsoft.com
'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
%>
********************************************************************
你看看吧，肯定行。

denggaojian 2007-01-12

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upfile_flash.asp如下
********************************************************************************

<style>
td{font-size:9pt;line-height:120%;color:#353535}
body{font-size:9pt;line-height:120%}

a:link { color: #000000; text-decoration: none }
a:visited { color: #000000; text-decoration: none }
a:active { color: #000000; text-decoration: none }
a:hover { color: #336699; text-decoration: none; position: relative; right: 0px; top: 1px }
</style>
<%
set upload=new upload_file
if upload.form("act")="uploadfile" then
filepath=trim(upload.form("filepath"))
filelx=trim(upload.form("filelx"))

i=0
for each formName in upload.File
set file=upload.File(formName)

fileExt=lcase(file.FileExt) '得到的文件扩展名不含有.
if file.filesize<100 then
response.write "<span style=""font-family: 宋体; font-size: 9pt"">请先选择你要上传的文件！　[ <a href=# onclick=history.go(-1)>重新上传</a> ]</span>"
response.end
end if
if (filelx<>"swf") and (filelx<>"jpg") then
response.write "<span style=""font-family: 宋体; font-size: 9pt"">该文件类型不能上传！　[ <a href=# onclick=history.go(-1)>重新上传</a> ]</span>"
response.end
end if
if filelx="swf" then
if fileext<>"swf" then
response.write "<span style=""font-family: 宋体; font-size: 9pt"">只能上传swf格式的Flash文件！　[ <a href=# onclick=history.go(-1)>重新上传</a> ]</span>"
response.end
end if
end if
if filelx="jpg" then
if fileext<>"gif" and fileext<>"jpg" then
response.write "<span style=""font-family: 宋体; font-size: 9pt"">只能上传jpg或gif格式的图片！　[ <a href=# onclick=history.go(-1)>重新上传</a> ]</span>"
response.end
end if
end if
if filelx="swf" then
if file.filesize>(3000*1024) then
response.write "<span style=""font-family: 宋体; font-size: 9pt"">最大只能上传 3M 的Flash文件！　[ <a href=# onclick=history.go(-1)>重新上传</a> ]</span>"
response.end
end if
end if
if filelx="jpg" then
if file.filesize>(1000*1024) then
response.write "<span style=""font-family: 宋体; font-size: 9pt"">最大只能上传 1000K 的图片文件！　[ <a href=# onclick=history.go(-1)>重新上传</a> ]</span>"
response.end
end if
end if

randomize
ranNum=int(90000*rnd)+10000
filename=filepath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&"."&fileExt
%>
<%
if file.FileSize>0 then ''如果 FileSize > 0 说明有文件数据
'file.SaveAs Server.mappath(filename) ''保存文件
file.SaveToFile Server.mappath(FileName)
'response.write file.FileName&"　　上传成功!　　<br>"
'response.write "新文件名："&FileName&"<br>"
'response.write "新文件名已复制到所需的位置，可关闭窗口！"
if filelx="swf" then
response.write "<script>window.opener.document."&upload.form("FormName")&".size.value='"&int(file.FileSize/1024)&" K'</script>"
end if
response.write "<script>window.opener.document."&upload.form("FormName")&"."&upload.form("EditName")&".value='"&FileName&"'</script>"
%>
<%
end if
set file=nothing
next
set upload=nothing
end if
%>
<script language="javascript">
window.alert("文件上传成功!请不要修改生成的链接地址！");
window.close();
</script>
*******************************************************************************

denggaojian 2007-01-12

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html如下
<input name="cppic" type="text" id="cppic" size="30">
<input type="button" name="Submit2" value="浏览" onClick="window.open('upload_flash.asp?formname=cpform&editname=cppic&uppath=cppic&filelx=jpg','','status=no,scrollbars=no,top=20,left=110,width=420,height=165')">
******************************************************************************
upload_flash.asp如下
<%
uppath=request("uppath")&"/" '文件上传路径
filelx=request("filelx") '文件上传类型
formName=request("formName") '回传到上页面编辑框所在Form的Name
EditName=request("EditName") '回传到上页面编辑框的Name
%>
<html>
<head>
<title>图片上传</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">

</style>
<script language="javascript">

</script>
</head>

<body bgcolor="#FFFFFF" text="#000000">
<form name="form1" method="post" action="upfile_flash.asp" enctype="multipart/form-data" >
<div id="esave" style="position:absolute; top:18px; left:40px; z-index:10; visibility:hidden">
<TABLE WIDTH=340 BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR><td width=20%></td>
<TD bgcolor=#104A7B width="60%">
<TABLE WIDTH=100% height=120 BORDER=0 CELLSPACING=1 CELLPADDING=0>
<TR>
<td bgcolor=#eeeeee align=center><font color=red>正在上传文件，请稍候...</font></td>
</tr>
</table>
</td><td width=20%></td>
</tr></table></div>
<table width="400" border="1" cellspacing="0" cellpadding="3" align="center" bordercolordark="#FFCC00" bordercolorlight="#FFCC00">
<tr bgcolor="#FFCC00">
<td height="22" align="left" valign="middle" bgcolor="#FFE479" width="400"> 图片上传
<input type="hidden" name="filepath" value="<%=uppath%>">
<input type="hidden" name="filelx" value="<%=filelx%>">
<input type="hidden" name="EditName" value="<%=EditName%>">
<input type="hidden" name="FormName" value="<%=formName%>">
<input type="hidden" name="act" value="uploadfile">
</td>
</tr>
<tr align="center" valign="middle">
<td align="left" id="upid" height="80" width="400"> 选择文件:
<input type="file" name="file1" style="width:300'" class="tx1" value="">
</td>
</tr>
<tr align="center" valign="middle" bgcolor="#eeeeee">
<td bgcolor="#FFE479" height="24" width="400">
<input type="submit" name="Submit" value="· 开始上传 ·" class="button" onClick="javascript:mysub()">
</td>
</tr>
</table>
</form>
</body>
</html>
******************************************************************************

JIAWX9203 2007-01-12

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建议用upload_5xsoft.inc

jml1691 2007-01-12

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!!!

llbd 2006-07-03

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谁能帮忙做一下谢谢了。。。

asp+图片上传问题 + 急！

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