最近想用个解压缩功能 从网上找了找 加自己修改，个人感觉还是比较好用的，直接上代码如下
using System;
using System.Linq;
using System.IO;
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.Checksums;
using System.Diagnostics;
using Microsoft.Win32; namespace ZipCommon
{
public class ZipHelper
{ #region 压缩多个文件 /// <summary>
/// 压缩多个文件
/// </summary>
/// <param name="files">文件名</param>
/// <param name="ZipedFileName">压缩包文件名</param>
/// <param name="Password">解压码</param>
/// <returns></returns>
public static void Zip(string[] files, string ZipedFileName, string Password)
{
files = files.Where(f => File.Exists(f)).ToArray();
if (files.Length == 0) throw new FileNotFoundException("未找到指定打包的文件");
ZipOutputStream s = new ZipOutputStream(File.Create(ZipedFileName));//此处可以设置 文件暂存服务器盘符的位置 c:/ + zipFildName
s.SetLevel(6);
if (!string.IsNullOrEmpty(Password.Trim())) s.Password = Password.Trim();
ZipFileDictory(files, s);
s.Finish();
s.Close();
} /// <summary>
/// 压缩多个文件
/// </summary>
/// <param name="files">文件名</param>
/// <param name="ZipedFileName">压缩包文件名</param>
/// <returns></returns>
public static void Zip(string[] files, string ZipedFileName)
{
Zip(files, ZipedFileName, string.Empty);
} private static void ZipFileDictory(string[] files, ZipOutputStream s)
{
ZipEntry entry = null;
FileStream fs = null;
Crc32 crc = new Crc32();
try
{
//创建当前文件夹
entry = new ZipEntry("../"); //加上 “/” 才会当成是文件夹创建 加两点和才是在当前目录下压缩 不然会多出一个文件夹
s.PutNextEntry(entry);
s.Flush();
foreach (string file in files)
{
//打开压缩文件
fs = File.OpenRead(file); byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
entry = new ZipEntry("/" + Path.GetFileName(file));
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);
}
}
finally
{
if (fs != null)
{
fs.Close();
fs = null;
}
if (entry != null)
entry = null;
GC.Collect();
}
} #endregion 压缩多个文件 #region 解压文件 包括.rar 和zip /// <summary>
///解压文件
/// </summary>
/// <param name="fileFromUnZip">解压前的文件路径（绝对路径）</param>
/// <param name="fileToUnZip">解压后的文件目录（绝对路径）</param>
public static void UnpackFileRarOrZip(string fileFromUnZip, string fileToUnZip)
{
//获取压缩类型
string unType = fileFromUnZip.Substring(fileFromUnZip.LastIndexOf(".") + 1, 3).ToLower(); switch (unType)
{
case "rar":
UnRar(fileFromUnZip, fileToUnZip);
break;
default:
UnZip(fileFromUnZip, fileToUnZip);
break; }
} #endregion #region 解压文件 .rar文件 /// <summary>
/// 解压
/// </summary>
/// <param name="unRarPatch"></param>
/// <param name="rarPatch"></param>
/// <param name="rarName"></param>
/// <returns></returns>
public static void UnRar(string fileFromUnZip, string fileToUnZip)
{
string the_rar;
RegistryKey the_Reg;
object the_Obj;
string the_Info; try
{
the_Reg = Registry.LocalMachine.OpenSubKey(
@"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\WinRAR.exe");
the_Obj = the_Reg.GetValue("");
the_rar = the_Obj.ToString();
the_Reg.Close();
//the_rar = the_rar.Substring(1, the_rar.Length - 7); if (Directory.Exists(fileToUnZip) == false)
{
Directory.CreateDirectory(fileToUnZip);
}
the_Info = "x " + Path.GetFileName(fileFromUnZip) + " " + fileToUnZip + " -y"; ProcessStartInfo the_StartInfo = new ProcessStartInfo();
the_StartInfo.FileName = the_rar;
the_StartInfo.Arguments = the_Info;
the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
the_StartInfo.WorkingDirectory = Path.GetDirectoryName(fileFromUnZip);//获取压缩包路径 Process the_Process = new Process();
the_Process.StartInfo = the_StartInfo;
the_Process.Start();
the_Process.WaitForExit();
the_Process.Close();
}
catch (Exception ex)
{
throw ex;
}
//return unRarPatch;
} #endregion #region 解压文件 .zip文件 /// <summary>
/// 解压功能(解压压缩文件到指定目录)
/// </summary>
/// <param name="FileToUpZip">待解压的文件</param>
/// <param name="ZipedFolder">指定解压目标目录</param>
public static void UnZip(string FileToUpZip, string ZipedFolder)
{
if (!File.Exists(FileToUpZip))
{
return;
} if (!Directory.Exists(ZipedFolder))
{
Directory.CreateDirectory(ZipedFolder);
} ICSharpCode.SharpZipLib.Zip.ZipInputStream s = null;
ICSharpCode.SharpZipLib.Zip.ZipEntry theEntry = null; string fileName;
FileStream streamWriter = null;
try
{
s = new ICSharpCode.SharpZipLib.Zip.ZipInputStream(File.OpenRead(FileToUpZip));
while ((theEntry = s.GetNextEntry()) != null)
{ if (theEntry.Name != String.Empty)
{
fileName = Path.Combine(ZipedFolder, theEntry.Name);
///判断文件路径是否是文件夹 if (fileName.EndsWith("/") || fileName.EndsWith("\\"))
{
Directory.CreateDirectory(fileName);
continue;
} streamWriter = File.Create(fileName);
int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = s.Read(data, 0, data.Length);
if (size > 0)
{
streamWriter.Write(data, 0, size);
}
else
{
break;
}
}
}
}
}
finally
{
if (streamWriter != null)
{
streamWriter.Close();
streamWriter = null;
}
if (theEntry != null)
{
theEntry = null;
}
if (s != null)
{
s.Close();
s = null;
}
GC.Collect();
GC.Collect(1);
}
} #endregion
}
}