C# 压缩解压文件夹SharpZipLibDotNetZip

1. SharpZipLib方法

添加引用

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

方法

/// <summary> /// 压缩多层目录 /// </summary> /// <param name="strDirectory">The directory.</param> /// <param name="zipedFile">The ziped file.</param> public static void ZipFileDirectory(string strDirectory, string zipedFile) { using (System.IO.FileStream ZipFile = System.IO.File.Create(zipedFile)) { using (ZipOutputStream s = new ZipOutputStream(ZipFile)) { ZipSetp(strDirectory, s, ""); } } } /// <summary> /// 递归遍历目录 /// </summary> /// <param name="strDirectory">The directory.</param> /// <param name="s">The ZipOutputStream Object.</param> /// <param name="parentPath">The parent path.</param> private static void ZipSetp(string strDirectory, ZipOutputStream s, string parentPath) { if (strDirectory[strDirectory.Length - 1] != Path.DirectorySeparatorChar) { strDirectory += Path.DirectorySeparatorChar; } Crc32 crc = new Crc32(); string[] filenames = Directory.GetFileSystemEntries(strDirectory); foreach (string file in filenames)// 遍历所有的文件和目录 { if (Directory.Exists(file))// 先当作目录处理如果存在这个目录就递归Copy该目录下面的文件 { string pPath = parentPath; pPath += file.Substring(file.LastIndexOf("\\") + 1); pPath += "\\"; ZipSetp(file, s, pPath); } else // 否则直接压缩文件 { //打开压缩文件 using (FileStream fs = File.OpenRead(file)) { byte[] buffer = new byte[fs.Length]; fs.Read(buffer, 0, buffer.Length); string fileName = parentPath + file.Substring(file.LastIndexOf("\\") + 1); ZipEntry entry = new ZipEntry(fileName); entry.IsUnicodeText = true; entry.DateTime = DateTime.Now; entry.Size = fs.Length; fs.Close(); crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; s.PutNextEntry(entry); s.Write(buffer, 0, buffer.Length); } } } }

2. DotNetZip方法

添加引用

using Ionic.Zip;

方法

/// <summary> /// 使用DotNetZip压缩文件 /// </summary> /// <param name="directooutputFileName">生成的ZIP文件目录</param> /// <param name="directory">待压缩的文件夹</param> public static void ZipFolder(string directooutputFileName, string directory) { ZipFile zip = new ZipFile(Encoding.UTF8); zip.AddDirectory(directory); zip.Save(directooutputFileName); zip.Dispose(); } /// <summary> /// 使用DotNetZip解压文件 /// </summary> /// <param name="path">待解压的文件</param> /// <param name="folder">解压到目录</param> public static void UnZipFoler(string path, string folder) { ReadOptions options = new ReadOptions { StatusMessageWriter = System.Console.Out }; using (ZipFile zip = ZipFile.Read(path, options)) { zip.ExtractAll(folder); } }