C#压缩解压缩文件（zip格式）
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;
//}