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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | Option Explicit Function IIF(judgement, a, b) If judgement Then IIF = a Else IIF = b End If End Function Sub WriteBinaryFile(FileName, SaveMode) With CreateObject( "ADODB.Stream" ) .Type = 1 : .Open: .Write Buf .SaveToFile FileName, SaveMode: .Close End With End Sub Sub SplitFile(SourceFile, DestinationFile, ChunkSize) Dim BufferSize BufferSize = 1024 'ChunkSize 为 BufferSize 的倍数 With CreateObject( "ADODB.Stream" ) .Mode = 3: .Type = 1: .Open: .LoadFromFile SourceFile Dim lFileSize lFileSize = .Size Dim i i = 1 Do While lFileSize >= ChunkSize * BufferSize Buf = .Read(ChunkSize * BufferSize) WriteBinaryFile DestinationFile & "." & CStr (i), IIf(objFSO.FileExists(DestinationFile & "." & CStr (i)), 2, 1) lFileSize = lFileSize - ChunkSize * BufferSize i = i + 1 Loop If lFileSize > 0 Then Buf = .Read(lFileSize) WriteBinaryFile DestinationFile & "." & CStr (i), IIf(objFSO.FileExists(DestinationFile & "." & CStr (i)), 2, 1) End If .Close End With MsgBox "Finished!" End Sub Dim objFSO, Buf Set objFSO = CreateObject( "Scripting.FileSystemObject" ) SplitFile "C:\test.rar" , "C:\test" , 512 Set objFSO = Nothing |