’函数名：GetImageData
’作 用：取得multipart/form-data形式上传文件
’参 数：MaxSize ---- 上传的限止大小,单位：M(兆)
’返回值：二进制数据
’示 例：
’**************************************************
Public Function GetImageData(ByVal MaxSize)
GetImageData=""
DIM formsize,Formdata,bncrlf,divider,datastart,dataend,mydata
formsize=Request.TotalBytes
if (formsize<=(MaxSize*1024*1024)) then
Formdata=Request.BinaryRead(formsize)
Pos_ts=LenB(getByteString(Chr(13) & Chr(10) & Chr(13) & Chr(10)))
Pos_b=InstrB(Formdata,getByteString(Chr(13) & Chr(10) & Chr(13) & Chr(10)))+Pos_ts
nFormdata=MidB(Formdata,Pos_b)
Pos_ts=InstrB(nFormdata,getByteString(Chr(13) & Chr(10) & "--"))
nnFormdata=MidB(nFormdata,Pos_ts)
Pos_e=LenB(Formdata)-LenB(nnFormdata)-Pos_b+1
datastart =Pos_b
dataend=Pos_e
mydata=midb(Formdata,datastart,dataend)
End If
GetImageData=mydata
End Function
’’’’ 将字串转为二进制串
Function getByteString(StringStr)
For i=1 to Len(StringStr)
char=Mid(StringStr,i,1)
getByteString=getByteString & chrB(AscB(char))
Next
End function
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