如何设计图片服务器

图片服务器的设计之初，是为了针对访问静态资源的请求而设计了，主要的需求就是面向文档的，我现在也在弄，我用了一个HTTP服务器和一个反向代理服务器，再加上Apache服务器，然后使用MONGO DB进行文件的IO，效率还可以，如果有什么好的想法大家可以一起讨论下。

<%

'/~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\'

'\建站铺 jzpu.com 2007 7.18 /'

'/ CODE version 4.8 express \'

'\请保留信息，以便确认版本区别 /'

'/__________________________________\'

Dim oUpFileStream

Class UpFile_Class

Dim Form, File, Version, Err

Private Sub Class_Initialize

Err = -1

End Sub

Private Sub Class_Terminate

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)

' --------------------------------------

' 上传组件开关

' 参数：IsOpenUpLoad，1 = 打开，0 = 关闭

Const IsOpenUpLoad = 1

If IsOpenUpLoad <>1 Then Exit Sub

' --------------------------------------

Dim RequestBinData, sSpace, bCrLf, sInfo, iInfoStart, iInfoEnd, tStream, iStart, oFileInfo

Dim iFileSize, sFilePath, sFileType, sFormValue, sFileName

Dim iFindStart, iFindEnd

Dim iFormStart, iFormEnd, sFormName

If Request.TotalBytes <1 Then

Err = 1

Exit Sub

End If

If MaxSize >0 Then

If Request.TotalBytes >MaxSize Then

Err = 2

'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)

sSpace = MidB(RequestBinData,1, InStrB(1,RequestBinData,bCrLf)-1)

iStart = LenB(sSpace)

iFormStart = iStart+2

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 = "utf-8"

sInfo = tStream.ReadText

iFormStart = InStrB(iInfoEnd,RequestBinData,sSpace)-1

iFindStart = InStr(22,sInfo,"name=""",1)+6

iFindEnd = InStr(iFindStart,sInfo,"""",1)

sFormName = Mid(sinfo,iFindStart,iFindEnd-iFindStart)

If InStr(45,sInfo,"filename=""",1) >0 Then

Set oFileInfo = new FileInfo_Class

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

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 = "utf-8"

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

Loop Until (iFormStart+2) >= iFormEnd

RequestBinData = ""

Set tStream = Nothing

End Sub

End Class

Class FileInfo_Class

Dim FormName, FileName, FilePath, FileSize, FileType, FileStart, FileExt

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

Public Function FileData

oUpFileStream.Position = FileStart

FileData = oUpFileStream.Read(FileSize)

End Function

End Class

%>

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