压缩解压缩文件（zip格式）代码,CSharp代码库,德仔网

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【CSharp】压缩解压缩文件（zip格式）
作者:Egbert / 发布于2016/1/4/ 593

	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;
	//}
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