困扰我很久了：无组件上传图片
请问如何在ASP中实现无组件上传图片啊，也就是如何将图片转换为二进制数据存入数据库？又应该怎样显示这些图片呢？ 问题点数：80、回复次数：9Top
1 楼mackyliu（才子-54caizi.com）回复于 2004-09-04 17:49:27 得分 10
说实话，这个是错误的概念，用流方法传到数据库，不用多久，数据库巨大，慢死人。
还不如传到某个目录，将地址写入数据库。Top
2 楼syre（神仙）回复于 2004-09-04 17:51:51 得分 0
同意楼上Top
3 楼angelyujun（搁浅的鱼@南昌大学）回复于 2004-09-04 17:54:23 得分 0
那么请教怎样将图片上传到目录呢？可以不用诸如FileSystem、SA-FILEUP之类的组件吗？Top
4 楼mackyliu（才子-54caizi.com）回复于 2004-09-04 17:55:14 得分 10
当然可以，去搜索“风声无组件上传“Top
5 楼liuxiaoyi666（MSMVP 小猪妹荣誉马甲之八卦兔子）回复于 2004-09-04 18:03:29 得分 0
response.binarywrite()Top
6 楼liuxiaoyi666（MSMVP 小猪妹荣誉马甲之八卦兔子）回复于 2004-09-04 18:04:59 得分 0
response.contentTypeTop
7 楼jiuhexuan（中文）回复于 2004-09-04 18:06:55 得分 50
下面三个文件就可以搞定，仔细研究一下
可以用一个框架包含upload_dialog.asp，upload_dialog中包含了一个隐藏表单：DialogType。他就是上传后返回的图片路径及图片名称。注意修改图片的保存路径和包含框架页的form名称应与upfile_load中的form一致。
Upload_Dialog.asp
<html>
<head>
<title>上传文件</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" type="text/css" href="editor_dialog.css">
<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 bgColor=menu leftmargin="5" topmargin="0">
<form action="Upfile_Dialog.asp" method="post" name="form1" onSubmit="return check()" enctype="multipart/form-data">
<input name="FileName" type="FILE" class="tx1" size="35">
<input type="submit" name="Submit" value="上传">
<input name="DialogType" type="hidden" id="DialogType" value="<%=trim(request("DialogType"))%>">
</form>
</body>
</html>
Upfile_Dialog.asp
<%@language=vbscript codepage=936 %>
<!--#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="*保存路径*"
const UpFileType_pic="jpg|gif|bmp|png"
const UpFileType_flash="swf"
const UpFileType_media="wmv|asf|avi|mpg"
const UpFileType_rm="ram|rm|ra"
const MaxFileSize=102400
dim upload,oFile,formName,SavePath,filename,fileExt,oFileSize
dim EnableUpload
dim UpFileType,arrUpFileType
dim ranNum
dim msg,FoundErr
dim DialogType
msg=""
FoundErr=false
EnableUpload=false
SavePath = SaveUpFilesPath '存放上传文件的目录
if right(SavePath,1)<>"/" then SavePath=SavePath&"/" '在目录后加(/)
%>
<html>
<head>
<title>上传文件</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" type="text/css" href="editor_dialog.css">
</head>
<body bgColor=menu leftmargin="2" topmargin="5" marginwidth="0" marginheight="0">
<%
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 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
DialogType=trim(upload.form("DialogType"))
select case DialogType
case "pic"
UpFileType=UpFileType_pic
case "flash"
UpFileType=UpFileType_flash
case "media"
UpFileType=UpFileType_media
case "rm"
UpFileType=UpFileType_rm
case else
UpFileType=""
end select
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="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
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 "文件上传成功！"
strJS=strJS & "parent.document.form1.url.value='" & fileName & "';" & vbcrlf
strJS=strJS & "parent.document.form1.UpFileName.value='" & fileName & "';" & vbcrlf
else
strJS=strJS & "alert('" & msg & "');" & vbcrlf
strJS=strJS & "window.location='Upload_Dialog.asp?DialogType=" & DialogType & "';" & vbcrlf
end if
strJS=strJS & "</script>" & vbcrlf
response.write strJS
set file=nothing
next
set upload=nothing
end sub
%>Top
8 楼jiuhexuan（中文）回复于 2004-09-04 18:07:02 得分 10
upfile_class.asp
<%
'----------------------------------------------------------------------
'转发时请保留此声明信息,这段声明不并会影响你的速度!
'******************* 无惧上传类 V1.2 ************************************
'作者:梁无惧
'网站:http://www.25cn.com
'电子邮件:yjlrb@21cn.com
'版权声明:版权所有,源代码公开,各种用途均可免费使用,但是修改后必须把修改后的文件
'发送一份给作者.并且保留作者此版权信息
'**********************************************************************
'----------------------------------------------------------------------
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
%>
Top
9 楼wenyang2004（Smoke）回复于 2004-09-04 18:36:40 得分 0
上网查啊,很多的~~~Top
