保存为vbs脚本，可以将同目录下的ppt、word转成PDF，非常方便

On Error Resume Next
    Const wdExportFormatPDF = 17
    Set oWord = WScript.CreateObject("Word.Application")
	Set ppt = CreateObject("PowerPoint.application")
    Set fso = WScript.CreateObject("Scripting.Filesystemobject")
    Set fds=fso.GetFolder(".")
    Set ffs=fds.Files
	
    For Each ff In ffs
    If (LCase(Right(ff.Name,4))=".doc" Or LCase(Right(ff.Name,4))="docx" ) And Left(ff.Name,1)<>"~" Then
        Set oDoc=oWord.Documents.Open(ff.Path)
        odoc.ExportAsFixedFormat Left(ff.Path,InStrRev(ff.Path,"."))&"pdf",wdExportFormatPDF
    End If
	If (LCase(Right(ff.Name,4))=".ppt" Or LCase(Right(ff.Name,4))="pptx" ) And Left(ff.Name,1)<>"~" Then
Set pptfile = ppt.Presentations.Open(ff.Path,false,false,false)
pptfile.Saveas Left(ff.Path,InStrRev(ff.Path,"."))&"pdf",32,false
End If
    Next
    odoc.Close
    oword.Quit
	pptfiles.Close
	ppt.Quit
    Set oDoc=Nothing
    Set oWord =Nothing
	Set pptfile = Nothing
	Set ppt = Nothing
	MsgBox "PPT和Word全部转换为PDF啦!"