压缩解压缩文件（zip格式）
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using System;using System.Collections.Generic;using System.IO;using ICSharpCode.SharpZipLib.Zip;namespace TestConsole{ internal class Program { private static void Main() { //CreateZipFile(@"d:\", @"d:\a.zip"); UnZipFile(@"E:\我的桌面.zip"); Console.Read(); } /// <summary> /// 压缩文件为zip包 /// </summary> /// <param name="filesPath"></param> /// <param name="zipFilePath"></param> private static bool CreateZipFile(string filesPath, string zipFilePath) { if (!Directory.Exists(filesPath)) { return false; } try { string[] filenames = Directory.GetFiles(filesPath); using (var s = new ZipOutputStream(File.Create(zipFilePath))) { s.SetLevel(9); // 压缩级别 0-9 //s.Password = "123"; //Zip压缩文件密码 var buffer = new byte[4096]; //缓冲区大小 foreach (string file in filenames) { var entry = new ZipEntry(Path.GetFileName(file)); entry.DateTime = DateTime.Now; s.PutNextEntry(entry); using (FileStream fs = File.OpenRead(file)) { int sourceBytes; do { sourceBytes = fs.Read(buffer, 0, buffer.Length); s.Write(buffer, 0, sourceBytes); } while (sourceBytes > 0); } } s.Finish(); s.Close(); } return true; } catch (Exception ex) { Console.WriteLine("Exception during processing {0}", ex); } return false; } /// <summary> /// 文件解压（zip格式） /// </summary> /// <param name="zipFilePath"></param> /// <returns></returns> private static List<FileInfo> UnZipFile(string zipFilePath) { var files = new List<FileInfo>(); var zipFile = new FileInfo(zipFilePath); if (!File.Exists(zipFilePath)) { return files; } using (var zipInputStream = new ZipInputStream(File.OpenRead(zipFilePath))) { ZipEntry theEntry; while ((theEntry = zipInputStream.GetNextEntry()) != null) { if (zipFilePath != null) { string dir = Path.GetDirectoryName(zipFilePath); if (dir != null) { string dirName = Path.Combine(dir, zipFile.Name.Replace(zipFile.Extension, "")); string fileName = Path.GetFileName(theEntry.Name); if (!string.IsNullOrEmpty(dirName)) { if (!Directory.Exists(dirName)) { Directory.CreateDirectory(dirName); } } if (!string.IsNullOrEmpty(fileName)) { string filePath = Path.Combine(dirName, theEntry.Name); using (FileStream streamWriter = File.Create(filePath)) { var data = new byte[2048]; while (true) { int size = zipInputStream.Read(data, 0, data.Length); if (size > 0) { streamWriter.Write(data, 0, size); } else { break; } } } files.Add(new FileInfo(filePath)); } } } } } return files; } }} /// <summary> /// 文件解压（Rar格式） /// </summary> /// <param name="rarFilePath"></param> /// <returns></returns> public static List<FileInfo> UnRarFile(string rarFilePath) { var files = new List<FileInfo>(); var fileInput = new FileInfo(rarFilePath); if (fileInput.Directory != null) { string dirName = Path.Combine(fileInput.Directory.FullName, fileInput.Name.Replace(fileInput.Extension, "")); if (!string.IsNullOrEmpty(dirName)) { if (!Directory.Exists(dirName)) { Directory.CreateDirectory(dirName); } } dirName = dirName.EndsWith("\\") ? dirName : dirName + "\\"; //最后这个斜杠不能少！ string shellArguments = string.Format("x -o+ {0} {1}", rarFilePath, dirName); using (var unrar = new Process()) { unrar.StartInfo.FileName = @"C:\Program Files\WinRAR\WinRAR.exe"; //WinRar安装路径！ unrar.StartInfo.Arguments = shellArguments; //隐藏rar本身的窗口 unrar.StartInfo.WindowStyle = ProcessWindowStyle.Hidden; unrar.Start(); unrar.WaitForExit(); //等待解压完成 unrar.Close(); } var dir = new DirectoryInfo(dirName); files.AddRange(dir.GetFiles()); } return files; } ///// <summary> ///// 文件解压2（rar格式）使用SharpCompress组件 需.net 3.5以上才支持！ ///// </summary> ///// <param name="rarFilePath"></param> ///// <returns></returns> //private static List<FileInfo> UnRarFile(string rarFilePath) //{ // var files = new List<FileInfo>(); // if (File.Exists(rarFilePath)) // { // var fileInput = new FileInfo(rarFilePath); // using (Stream stream = File.OpenRead(rarFilePath)) // { // var reader = ReaderFactory.Open(stream); // if (fileInput.Directory != null) // { // string dirName = Path.Combine(fileInput.Directory.FullName, fileInput.Name.Replace(fileInput.Extension, "")); // if (!string.IsNullOrEmpty(dirName)) // { // if (!Directory.Exists(dirName)) // { // Directory.CreateDirectory(dirName); // } // } // while (reader.MoveToNextEntry()) // { // if (!reader.Entry.IsDirectory) // { // reader.WriteEntryToDirectory(dirName, ExtractOptions.ExtractFullPath | ExtractOptions.Overwrite); // files.Add(new FileInfo(reader.Entry.FilePath)); // } // } // } // } // } // return files; //}
