asp无组件上传类

    技术2022-05-11  86

    '----------------------------------------------------------------------'转发时请保留此声明信息,这段声明并不会影响你的速度!'*******************    无组件上传类   ********************************'最后修改者:塞北的雪'blog:http://blog.csdn.net'电子邮件:northsnow@163.com'声明:此代码是在梁无惧代码基础上修改的,没有更改代码内核,只是增加了一个属性 smallFileName'之所以发这篇文章,是想告诉大家,在使用高手一写好的代码的时候,不要仅局限于别人提供的现有的功能,'而应该在他人提供的已有的功能的基础上,根据自己的需求进行扩改。以达到自己最满意的需求。'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"'smallFileName   去掉了扩展名的文件名    "doc"'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  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  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)          '----刘金才修改      oFileInfo.FileExt = GetFileExt(oFileInfo.FileName)  '----刘金才添加      oFileInfo.smallFileName = getSmallFileName(oFileInfo.FileName)   '----刘金才添加      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 = nothingEnd 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=nothingEnd Sub    '取得文件路径Private function GetFilePath(FullPath)  If FullPath <> "" Then    GetFilePath = left(FullPath,InStrRev(FullPath, "/"))    Else    GetFilePath = ""  End IfEnd function '取得文件全名Private function GetFileName(FullPath)  If FullPath <> "" Then    GetFileName = mid(FullPath,InStrRev(FullPath, "/")+1)    Else    GetFileName = ""  End IfEnd function

    '取得扩展名Private function GetFileExt(FileName)  If FileName <> "" Then  if instr(FileName,".")>0 then   GetFileExt = mid(FileName,InStrRev(FileName, ".")+1)  else         GetFileExt = ""  end if    Else      GetFileExt = ""    End IfEnd function

    '取得去掉了扩展名的文件名   刘金才添加Private function GetSmallFileName(FileName)  If FileName <> "" Then  if instr(FileName,".")>0 then   GetSmallFileName = mid(FileName,1,InStrRev(FileName, ".")-1)  else         GetSmallFileName = FileName  end if    Else      GetSmallFileName = ""  End IfEnd function

    End Class

    '文件属性类'新添加一个smallFileName  表示去掉了扩展名的文件名  刘金才添加Class FileInfo  dim FormName,FileName,FilePath,FileSize,FileType,FileStart,FileExt,smallFileName  Private Sub Class_Initialize     FileName = ""    smallFileName=""    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 functionEnd Class


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