如何在vb.net 2005中压缩文件

时间:2009-05-25 11:18:44

标签: vb.net file zip

如何在vb.net 2005中压缩文件(任何文件或文件夹)?

6 个答案:

答案 0 :(得分:16)

DotNetZip是一个易于使用的免费开源库,用于处理VB.NET和其他.NET语言的ZIP文件。

一些示例VB.NET代码,用于创建zip文件,一次添加一个文件:

Dim ZipToCreate As String = "ex1.zip"
Dim DirectoryToZip As String = "c:\temp"
Using zip As ZipFile = New ZipFile
    Dim filenames As String() = System.IO.Directory.GetFiles(DirectoryToZip)
    Dim filename As String
    For Each filename In filenames
        zip.AddFile(filename)
    Next
    zip.Save(ZipToCreate)
End Using

或者,在组中添加文件:

Dim ZipToCreate As String = "ex1.zip"
Dim DirectoryToZip As String = "c:\temp"
Dim filenames As String() = System.IO.Directory.GetFiles(DirectoryToZip)
Using zip As ZipFile = New ZipFile
    zip.AddFiles(filenames, "temp")
    zip.Save(ZipToCreate)
End Using

或,用于压缩整个目录或文件夹的代码:

Using zip As ZipFile = New ZipFile
    zip.AddDirectory(directory)
    zip.Save(targetZip)
End Using

提取zip文件的代码:

    Dim ZipFileToExtract As String = "c:\foo.zip"
    Using zip As ZipFile = ZipFile.Read(ZipFileToExtract)
        Dim e As ZipEntry
        For Each e In zip
            ' can conditionally extract here, '
            ' based on name, size, date, whatever.'
            e.Extract
        Next
    End Using

使用进度条提取:

Imports Ionic.Zip

Module SimpleUnzip
  Public Sub Unzip(ByVal ZipToUnpack As String, ByVal ExtractDirectory As String)
    Try
      Using zip As ZipFile = ZipFile.Read(ZipToUnpack)
        Form1.ProgressBar1.Maximum = zip.Entries.Count
        Dim entry As ZipEntry
        For Each entry In zip
            Form1.Label1.Text = entry.FileName
            entry.Extract(ExtractDirectory, ExtractExistingFileAction.OverwriteSilently)
            Form1.ProgressBar1.Value = Form1.ProgressBar1.Value + 1
            ' sleep because it's too fast otherwise.
            System.Threading.Thread.Sleep(50)
        Next
        Form1.ProgressBar1.Value = 0
        Form1.Label1.Text = "Done"
      End Using
    Catch ex1 As Exception
      Form1.Label1.Text = ("Exception: " & ex1.ToString())
    End Try
  End Sub
End Module

DotNetZip具有读取,保存或提取的进度事件,因此您可以为ASP.NET或Windows窗体中的进度条供电。它使用受密码保护的zip文件,Unicode,ZIP64和自解压缩档案。它生成的zip文件与所有其他zip工具兼容 - WinZip,WinRAR,Windows资源管理器,Pkunzip等。有一个很好的帮助文件(online version here),有大量的代码示例。还有samples available for download

答案 1 :(得分:1)

查看SharpZipLib

答案 2 :(得分:0)

我不知道如何在VB.NET中编程。但是,搜索显示了一个有趣的链接:Zip Compression VB.NET Examples。我希望它对你有用。

答案 3 :(得分:0)

您可以使用ICSharCode's SharpZipLib库。

答案 4 :(得分:0)

您可以使用我们的Rebex ZIP组件。

以下是您要求的一些操作示例:

在一行代码中简单压缩文件:

' add content of the local directory C:\Data\  '
' to the directory \Data-2010 (within the ZIP archive) '
' (ZIP archive C:\archive.zip doesn't have to exist) 
ZipArchive.Add("C:\archive.zip", "C:\Data\*", "\Data-2010")

在一行代码中简单解压缩:

' extract all *.TXT files from the directory \Data-2010 (within the ZIP file) '
' to the existing local directory C:\Data '
ZipArchive.Extract("C:\archive.zip", "\Data-2010\*.html", "C:\Data")

可以找到更多样本here

答案 5 :(得分:0)

封壳,wa-la完成两行

Dim zipcmd as String = "zip -r C:\directory\of\my\folder C:\directory\of\my\zip"
Shell("cmd.exe /c" + zipcmd1, AppWinStyle.Hide, True)