C# 使用 zip 压缩文件和文件夹

using ICSharpCode.SharpZipLib.Checksum;
using ICSharpCode.SharpZipLib.Zip;

namespace Test
{
    static void Main() {
        // 打包为 zip
        Zip(@"C:\打包的路径", @"D:\目标路径的zip文件.zip");
    }

    public static void Zip(string folderToZip, string zipedFile)
    {
        ZipOutputStream zipStream = new ZipOutputStream(File.Create(Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + @"\" + zipedFile));
        // 设置压缩率
        // zipStream.SetLevel(4);
        ZipDirectory(folderToZip, zipStream);
        zipStream.Finish();
        zipStream.Close();
    }

    public static void ZipDirectory(string folderToZip, ZipOutputStream zipStream)
    {
        string[] folders, files;
        FileStream fs = null;
        Crc32 crc = new Crc32();

        files = Directory.GetFiles(folderToZip);
        foreach (string file in files)
        {
            fs = File.OpenRead(file);
            byte[] buffer = new byte[fs.Length];
            fs.Read(buffer, 0, buffer.Length);
            ZipEntry ent = new ZipEntry(file.Replace(Path.GetDirectoryName(root_dir) + @"\", ""));
            ent.DateTime = DateTime.Now;
            ent.Size = fs.Length;
            fs.Close();
            crc.Reset();
            crc.Update(buffer);
            ent.Crc = crc.Value;
            zipStream.PutNextEntry(ent);
            zipStream.Write(buffer, 0, buffer.Length);
        }
        if (fs != null)
        {
            fs.Close();
            fs.Dispose();
        }
        GC.Collect();
        GC.Collect(1);

        folders = Directory.GetDirectories(folderToZip);
        foreach (string folder in folders)
        {
            ZipDirectory(folder, zipStream);
        }
    }
}