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這篇文章主要為大家展示了“VB.NET如何實(shí)現(xiàn)壓縮和解壓縮”,內(nèi)容簡(jiǎn)而易懂,條理清晰,希望能夠幫助大家解決疑惑,下面讓小編帶領(lǐng)大家一起研究并學(xué)習(xí)一下“VB.NET如何實(shí)現(xiàn)壓縮和解壓縮”這篇文章吧。
VB.NET壓縮和解壓縮實(shí)現(xiàn)代碼:
PublicEnumZip Zip=0'壓縮 UnZip=1'解壓縮 EndEnum '壓縮、解壓縮 PublicFunctionZipFile(ByValinDirPathAsString,OptionalByVal_zipAsZip=Zip.Zip,_ OptionalByValstrFileNameAsString="C:\BACKUP")AsBoolean DimInfoAsNewInformation DimPrintMessageAsNewErrorinf DimstrCommandAsString If_zip=Zip.ZipThen DimdirectoryEntriesAsString() directoryEntries=System.IO.Directory.GetFileSystemEntries(inDirPath) DimstrFileAsString,strFileAllAsString ForEachstrFileIndirectoryEntries strFileAllstrFileAll=strFileAll&"-ep1"&strFile Next DimstrPassAsString=InputBox(Info.NOR_InputPassword,Info.NOR_PasswordInput) IfstrPass.Length>0Then strCommand="winrarA-hp"+strPass+"-ep1" Else strCommand="winrarA-ep1" EndIf strCommandstrCommand=strCommand&Space(1)&strFileName&Space(1)&strFileAll Try IfSystem.IO.File.Exists(strFileName)Then IfMsgBox(Info.NOR_ReplaceFile,_ MsgBoxStyle.OKCancel+_ MsgBoxStyle.Information,Info.NOR_Prompt)=MsgBoxResult.CancelThen ReturnFalse Else Shell(strCommand,AppWinStyle.NormalFocus,True) EndIf Else Shell(strCommand,AppWinStyle.NormalFocus,True) EndIf MsgBox(Info.SUC_ZipBackSuccess,MsgBoxStyle.OKOnly+MsgBoxStyle.Information,Info.NOR_Prompt) ReturnTrue Catch PrintMessage.WriteErr("Cls_Common->ZipFile",Info.ERR_ZipBackError) MsgBox(Info.ERR_ZipBackError,MsgBoxStyle.OKOnly+MsgBoxStyle.Information,Info.NOR_Prompt) ReturnFalse EndTry Else DimOpenDialogAsNewOpenFileDialog OpenDialog.Filter="還原壓縮數(shù)據(jù)*.rar|*.rar" IfOpenDialog.ShowDialog=DialogResult.CancelThen OpenDialog.Dispose() ReturnFalse EndIf strFileName=OpenDialog.FileName DimstrRePassAsString=InputBox(Info.NOR_InputPassword,Info.NOR_PasswordInput) IfstrRePass.Trim.Length>0Then strCommand="winrarX-hp"+strRePass.Trim+"-o+-inul-ep2" Else strCommand="winrarX-o+-inul-ep2" EndIf strCommandstrCommand=strCommand&Space(1)&strFileName&Space(1)&Application.StartupPath OpenDialog.Dispose() Try Shell(strCommand,AppWinStyle.NormalFocus,True) MsgBox(Info.SUC_ZipRevertSuccess,MsgBoxStyle.OKOnly+MsgBoxStyle.Information,Info.NOR_Prompt) ReturnTrue Catch PrintMessage.WriteErr("Cls_Common->ZipFile",Info.ERR_ZipRevertError) MsgBox(Info.ERR_ZipRevertError,MsgBoxStyle.OKOnly+MsgBoxStyle.Information,Info.NOR_Prompt) ReturnFalse EndTry EndIf 'Debug.Write(strCommand) EndFunction
你的應(yīng)用程序的bin下要有一個(gè)winrar的可執(zhí)行文件.
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