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开发学院WEB开发ASP 二文件上传,才30行代码 阅读

二文件上传,才30行代码

 2001-02-19 10:55:43 来源:WEB开发网   
核心提示:<%' upload.aspFunction IntMin(n,y)If n<y and n>0 Then IntMin=Int(n)ElseIf y>0 Then IntMin=Int(y)Else IntMin=nEnd IfEnd FunctionFunction getFormV
<%
' upload.asp
Function IntMin(n,y)
  If n<y and n>0 Then
    IntMin=Int(n)
  ElseIf y>0 Then
    IntMin=Int(y)
  Else
    IntMin=n
  End If
End Function

Function getFormValue(Name)
  Dim formSize,formData,DataHeader,DataStart,DataEnd,formNameStart,formNameEnd,formName,firstFilter
  formSize=Request.TotalBytes()
  formData=Request.BinaryRead(formSize)
  firstFilter=true
    For i=1 to Len(Name)
      tmp=tmp&ChrB(AscB(Mid(Name,i,1)))
    Next
  Name=tmp
  DataEnd=0
  DataStart=0
  Do While formSize>0
    formData=RightB(formData,formSize-DataEnd-DataStart+1)
    formSize=formSize-DataEnd-DataStart+1
    DataHeader=LeftB(formData,InStrB(formData,Chrb(13)&Chrb(10))-1)
    DataStart=InStrB(formData,ChrB(13)&ChrB(10)&ChrB(13)&ChrB(10))+4
    DataEnd=InStrB(DataStart+1,formData,DataHeader)-DataStart
      If DataStart<0 or DataEnd<=0 Then Exit Do
    filteredData=MidB(formData,DataStart,DataEnd-1)
    formNameStart=InStrB(formData,ChrB(AscB("n"))&ChrB(AscB("a"))&ChrB(AscB("m"))&ChrB(AscB("e"))&ChrB(AscB("="))&ChrB(AscB("""")))+6
    formNameEnd=intMin(InStrB(formNameStart,formData,ChrB(13)&ChrB(10))-formNameStart-1,InStrB(formNameStart,formData,ChrB(AscB(";")))-formNameStart-1)
    formName=MidB(formData,formNameStart,formNameEnd)
      If Name=formName Then
        getFormValue=filteredData
        Exit Function
      End If
  Loop
getFormValue=Name&" Not Found!"
End Function
Response.binaryWrite(getFormValue("loadfromfile"))'这个loadfromfile就是表单名啦~
%>



Tags:文件 上传 代码

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