标题: exe2swf的vbs脚本，谁能帮忙解释下～ [打印本页]

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作者: pooloo     时间: 2007-6-16 21:14    标题: exe2swf的vbs脚本，谁能帮忙解释下～

’经过测试可用，但是不太看的明白，望高手写下注释。
'exe2swf工具，
'用法：将exe格式的flash拖放在此文件上，即可生成swf文件，
'感谢jimbob提供帮助.
dim AsoR,FlashFileName
Set ArgObj = WScript.Arguments

dim PositionStart,OKed,Tag,EndSize
PositionStart = 920000'flash 4的播放器的大致字节数
EndSize = 8 'exe文件结尾字节数,其它版本可以设置为0
FlashFileName = ArgObj(0)'传递路径

set AsoR=CreateObject("Adodb.Stream")
AsoR.Mode=3
AsoR.Type=1
AsoR.Open
set AsoW=CreateObject("Adodb.Stream")
AsoW.Mode=3
AsoW.Type=1
AsoW.Open
AsoR.LoadFromFile(FlashFileName)

OKed = true
dim filesize
filesize = AsoR.size

if filesize>PositionStart then
while OKed
   AsoR.Position = PositionStart
   Tag = Bin2Str(AsoR.read(20))
   if instr(Tag,"0000000") >0 then
    PositionStart = PositionStart + 1
   else
    PositionStart = PositionStart + 20
   end if
   if Tag = "00000000000000000708783" or Tag = "00000000000000000678783" then
    OKed = false
   end if
   'if   PositionStart > filesize then
   ' OKed = false
   'end if
wend
else
msgbox "文件错误"
end if
PositionStart = PositionStart + 16
'msgbox PositionStart
AsoR.Position = PositionStart
AsoW.write AsoR.read(filesize-int(PositionStart)-int(EndSize))

'新文件名
dim newFileName
'newFileName = left(FlashFileName,len(FlashFileName)-4) & ".swf"
newFileName = FlashFileName & ".swf"

Set fso = CreateObject("Scripting.FileSystemObject")
If (fso.FileExists(newFileName)) Then
overwrite = msgbox(newFileName&" 已存在"& vbnewline &"要替换它吗?",308,"文件已经存在 - exe2swf脚本")
if overwrite=6 then
   AsoW.SaveToFile newFileName, 2
else
   msgbox "操作被取消",0,"exe2swf脚本"
end if
else
AsoW.SaveToFile newFileName, 1
end if

AsoR.close
set AsoR=nothing
AsoW.close
set AsoW=nothing

Function Bin2Str(Bin)
Dim I, Str
For I=1 to LenB(Bin)
   clow=MidB(Bin,I,1)
   if ASCB(clow)<128 then
    Str = Str & (ASCB(clow))
   else
    I=I+1
    if I <= LenB(Bin) then Str = Str & (ASCW(MidB(Bin,I,1)&clow))
   end if
Next
Bin2Str = Str
End Function