ASP文件上传函数库

发布: 2007-6-30 18:56 | 作者: admin | 来源: | 查看: 17次 | 进入软件测试论坛讨论

54powerman

说明：
如果你需要file表单的串值，用GetFullName("file")
如果需要file表单的文件名，用GetFileName("file")
如果需要file表单的扩展名，用GetExtName("file")
如果需要普通文本表单的值，用MyRequest("password")
如果需要file表单的二进制值，也是用MyRequest("file")
保存文件用SaveFile("file","myUpload.jpg")
写入数据库的格式：
Rs.AppandChunk MyRequest("file")

<%
‘’Program:54powerman
‘’EMail & MSN:54powerman@163.com
‘’QQ:19486554
‘’初始化数据
Response.buffer=true
FormData = Request.BinaryRead(Request.TotalBytes)
bncrlf = ChrB(13)&ChrB(10)
Set sr=CreateObject("Adodb.Stream")
sr.Mode=3
sr.Type=1
sr.Open
sr.Write FormData
Init=sr
‘’常用函数
Function Str2B(Str)
For i = 1 To len(Str)
Str2B = Str2B&ChrB(Asc(Mid(Str,i,1)))
Next
End Function

Function B2Str(Str)
For i = 1 To LenB(Str)
ThisCharCode = AscB(MidB(Str,i,1))
If ThisCharCode < &H80 Then
   B2Str = B2Str & Chr(ThisCharCode)
Else
   NextCharCode = AscB(MidB(Str,i+1,1))
   B2Str = B2Str & Chr(CLng(ThisCharCode) * &H100 + CInt(NextCharCode))
   i = i + 1
End If
Next
End Function

Function MyRequest(FormName)
divider = leftb(FormData,inStrb(FormData,bncrlf)-1)
Cur = inStrb(FormData,Str2B("name=")&ChrB(34)&Str2B(FormName)&ChrB(34))
MyRequest=null
DataStart=inStrb(Cur,FormData,bncrlf&bncrlf)+4
DataEnd = inStrb(DataStart+1,FormData,divider)-DataStart
TempStr = Midb(FormData,Cur,DataStart)
If inStrb(TempStr,Str2B("filename=")) Then
MyRequest = Midb(FormData,DataStart,DataEnd)
else
MyRequest = B2Str(Midb(FormData,DataStart,DataEnd))
End If
End Function

Function GetFullName(FormName)
divider = leftb(FormData,inStrb(FormData,bncrlf)-1)
Cur = inStrb(FormData,Str2B("name=")&ChrB(34)&Str2B(FormName)&ChrB(34))
DataStart=inStrb(Cur,FormData,Str2B("filename="))+10
DataEnd = inStrb(DataStart+1,FormData,ChrB(34))-DataStart
TempStr = Midb(FormData,Cur,DataStart)
GetFullName = B2Str(Midb(FormData,DataStart,DataEnd))
End Function

Function GetFileName(FormName)
FullName=GetFullName(FormName)
GetFileName = Mid(FullName,InStrRev(FullName,"\")+1)
End Function

Function GetExpName(FormName)
GetExpName = Mid(GetFileName(FormName),InStrRev(GetFileName(FormName),".")+1)
End Function

Function SaveFile(FormName,FileName)
divider = leftb(FormData,inStrb(FormData,bncrlf)-1)
Cur = inStrb(FormData,Str2B("name=")&ChrB(34)&Str2B(FormName)&ChrB(34))
SaveFile=false
DataStart=inStrb(Cur,FormData,bncrlf&bncrlf)+4
DataEnd = inStrb(DataStart+1,FormData,divider)-DataStart

set dr=CreateObject("Adodb.Stream")
    dr.Mode=3
    dr.Type=1
    dr.Open
    sr.Position=DataStart-1
    sr.CopyTo dr,DataEnd
    dr.SaveToFile FileName,2

    sr.Close
    set sr=nothing
    dr.Close
    set dr=nothing
    SaveFile=true
End Function

Function FileSize(FormName)
divider = leftb(FormData,inStrb(FormData,bncrlf)-1)
Cur = inStrb(FormData,Str2B("name=")&ChrB(34)&Str2B(FormName)&ChrB(34))
FileSize=0
DataStart=inStrb(Cur,FormData,bncrlf&bncrlf)+4
FileSize = inStrb(DataStart+1,FormData,divider)-DataStart-2
End Function
%>