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  • C#文件压缩

    /// <summary>
    /// 文件压缩
    /// </summary>
    /// <param name="filesUrl">多个文件路径</param>
    /// <param name="zipStr">压缩文件名</param>
    public static void ZipFile(List<string> filesUrl, string zipStr)
    {
    try
    {
    
    //这行代码表示文件名称有中文字。不然好像会出现乱码
    Encoding gbk = Encoding.GetEncoding("gbk");
    ZipConstants.DefaultCodePage = gbk.CodePage;
    if (filesUrl != null && filesUrl.Count > 0)
    {
    ZipOutputStream zipStream = new ZipOutputStream(File.Create(zipStr));
    zipStream.SetLevel(6);
    foreach (string itemStr in filesUrl)
    {
    zip(itemStr, zipStream);
    }
    zipStream.Finish();
    zipStream.Close();
    }
    }
    catch (Exception ex)
    {
    Common.SetException("类库", ex);
    }
    }
    /// <summary>
    /// 填写文件
    /// </summary>
    /// <param name="fileStr">文件路径</param>
    /// <param name="zipStream"></param>
    private static void zip(string fileStr, ZipOutputStream zipStream)
    {
    try
    {
    Crc32 crc = new Crc32();
    if (File.Exists(fileStr))
    {
    FileStream fs = File.OpenRead(fileStr);
    byte[] buffer = new byte[fs.Length];
    fs.Read(buffer, 0, buffer.Length);
    ZipEntry entry = new ZipEntry(fileStr.Substring(fileStr.LastIndexOf("\") + 1));
    
    entry.DateTime = DateTime.Now;
    entry.Size = fs.Length;
    
    fs.Close();
    crc.Reset();
    crc.Update(buffer);
    entry.Crc = crc.Value;
    zipStream.PutNextEntry(entry);
    zipStream.Write(buffer, 0, buffer.Length);
    }
    }
    catch (Exception ex)
    {
    Common.SetException("类库", ex);
    }
    }

    压缩DLL下载 https://files.cnblogs.com/files/changeMe/SharpZipLib.rar

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  • 原文地址:https://www.cnblogs.com/changeMe/p/4421465.html
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