知识大全 文件上传 源代码
Posted 文件
篇首语:勿以恶小而为之,勿以善小而不为。本文由小常识网(cha138.com)小编为大家整理,主要介绍了知识大全 文件上传 源代码相关的知识,希望对你有一定的参考价值。
<! #include FILE="upload inc" > <% dim upload file formName formPath iCount filename fileExt set upload=new upload_ xSoft 建立上传对象 formPath="uploadimages/" 在目录后加(/) if right(formPath )<>"/" then formPath=formPath&"/" iCount= 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< then response write "<font size= ><br>请先选择你要上传的图片 [ <a href=# onclick=history go( )>重新上传</a> ]</font>" response end end if if file filesize> then response write "<font size= ><br>图片大小超过了限制 [ <a href=# onclick=history go( )>重新上传</a> ]</font>" response end end if
fileExt=lcase(right(file filename ))
if fileEXT<>" jpg" and fileEXT<>" gif" then response write "<font size= ><br>文件格式只能为jpg和gif格式 [ <a href=# onclick=history go( )>重新上传</a> ]</font>" response end end if randomize ranNum=int( *rnd)+ filename=formPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&fileExt filename =year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&fileExt if file FileSize> then 如果 FileSize > 说明有文件数据 file SaveAs Server mappath(filename) 保存文件 response write "<script>parent form img value= "&FileName &" </script>"
iCount=iCount+ end if set file=nothing next set upload=nothing 删除此对象
Response Write "<img src= "&" /UpLoad/UpLoadImages/"&FileName &" onload = DrawImage(this) >" response end %>
下面是upload inc的代码
<SCRIPT RUNAT=SERVER LANGUAGE=VBSCRIPT> dim upfile_ xSoft_Stream Class upload_ xSoft dim Form File Version Private Sub Class_Initialize dim iStart iFileNameStart iFileNameEnd iEnd vbEnter iFormStart iFormEnd theFile dim strDiv mFormName mFormValue mFileName mFileSize mFilePath iDivLen mStr if Request TotalBytes< then Exit Sub set Form=CreateObject("Scripting Dictionary") set File=CreateObject("Scripting Dictionary") set upfile_ xSoft_Stream=CreateObject("Adodb Stream") upfile_ xSoft_Stream mode= upfile_ xSoft_Stream type= upfile_ xSoft_Stream open upfile_ xSoft_Stream write Request BinaryRead(Request TotalBytes) vbEnter=Chr( )&Chr( ) iDivLen=inString( vbEnter)+ strDiv=subString( iDivLen) iFormStart=iDivLen iFormEnd=inString(iformStart strDiv) while iFormStart < iFormEnd iStart=inString(iFormStart "name=""") iEnd=inString(iStart+ """") mFormName=subString(iStart+ iEnd iStart ) iFileNameStart=inString(iEnd+ "filename=""") if iFileNameStart> and iFileNameStart<iFormEnd then iFileNameEnd=inString(iFileNameStart+ """") mFileName=subString(iFileNameStart+ iFileNameEnd iFileNameStart ) iStart=inString(iFileNameEnd+ vbEnter&vbEnter) iEnd=inString(iStart+ vbEnter&strDiv) if iEnd>iStart then mFileSize=iEnd iStart else mFileSize= end if set theFile=new FileInfo theFile FileName=getFileName(mFileName) theFile FilePath=getFilePath(mFileName) theFile FileSize=mFileSize theFile FileStart=iStart+ theFile FormName=FormName file add mFormName theFile else iStart=inString(iEnd+ vbEnter&vbEnter) iEnd=inString(iStart+ vbEnter&strDiv)
if iEnd>iStart then mFormValue=subString(iStart+ iEnd iStart ) else mFormValue="" end if form Add mFormName mFormValue end if
iFormStart=iformEnd+iDivLen iFormEnd=inString(iformStart strDiv) wend End Sub
Private Function subString(theStart theLen) dim i c stemp upfile_ xSoft_Stream Position=theStart stemp="" for i= to theLen if upfile_ xSoft_Stream EOS then Exit for c=ascB(upfile_ xSoft_Stream Read( )) If c > Then if upfile_ xSoft_Stream EOS then Exit for stemp=stemp&Chr(AscW(ChrB(AscB(upfile_ xSoft_Stream Read( )))&ChrB(c))) i=i+ else stemp=stemp&Chr(c) End If Next subString=stemp End function
Private Function inString(theStart varStr) dim i j bt theLen str InString= Str=toByte(varStr) theLen=LenB(Str) for i=theStart to upfile_ xSoft_Stream Size theLen if i>upfile_ xSoft_Stream size then exit Function upfile_ xSoft_Stream Position=i if AscB(upfile_ xSoft_Stream Read( ))=AscB(midB(Str )) then InString=i for j= to theLen if upfile_ xSoft_Stream EOS then inString= Exit for end if if AscB(upfile_ xSoft_Stream Read( ))<>AscB(MidB(Str j )) then InString= Exit For end if next if InString<> then Exit Function end if next End Function
Private Sub Class_Terminate form RemoveAll file RemoveAll set form=nothing set file=nothing upfile_ xSoft_Stream close set upfile_ xSoft_Stream=nothing End Sub Private function GetFilePath(FullPath) If FullPath <> "" Then GetFilePath = left(FullPath InStrRev(FullPath "")) Else GetFilePath = "" End If End function Private function GetFileName(FullPath) If FullPath <> "" Then GetFileName = mid(FullPath InStrRev(FullPath "")+ ) Else GetFileName = "" End If End function
Private function toByte(Str) dim i iCode c iLow iHigh toByte="" For i= To Len(Str) c=mid(Str i ) iCode =Asc(c) If iCode< Then iCode = iCode + If iCode> Then iLow = Left(Hex(Asc(c)) ) iHigh =Right(Hex(Asc(c)) ) toByte = toByte & chrB("&H"&iLow) & chrB("&H"&iHigh) Else toByte = toByte & chrB(AscB(c)) End If Next End function End Class
cha138/Article/program/net/201311/14198相关参考
Java文件分块上传服务器端源代码 以下文字资料是由(全榜网网www.cha138.com)小编为大家搜集整理后发布的内容,让我们赶快一起来看一下吧! 直接上代码接收
PHP无刷新上传文件实现代码 以下文字资料是由(全榜网网www.cha138.com)小编为大家搜集整理后发布的内容,让我们赶快一起来看一下吧! index <
C#实现按日期命名上传文件代码 以下文字资料是由(全榜网网www.cha138.com)小编为大家搜集整理后发布的内容,让我们赶快一起来看一下吧!  
php教程curl模仿ftp<?if(isset($_post[submit])) if(!empty($_files[upload][name]))  
老是找不到合适的数据库上传下载的从网上找了一些代码改写了个可以直接使用的版本! 代码 AttachmentId bigint  
网上有很多无刷新文件上传的代码看了很多感觉都比较复杂有些封装的很好但是又缺乏了灵活性个人觉得其实无刷新文件上传并不麻烦所以写下此文供大家参考批评 好了闲话不多说现在我们现在就从头来实现一个无刷新
将index和uploadphp文件保存到支持php的空间的同级目录测试运行即可 AJAX客户端页面代码index <><body><h>Ajaxfileu
cha138/Article/program/net/201311/14386
一款利用asp文件上传组件把文件上传到服务器之前进行判断文件大小否超过指定大小了本实例讲的是upload_xsoft文件上传组件哦filefilesize>就可以限制文件为多少klishix
using System;using SystemIO;using SystemCollections;using SystemComponentModel;u