📄 unzipclass.cs
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using System;
using System.Text;
using System.Collections;
using System.IO;
using System.Diagnostics;
using System.Runtime.Serialization.Formatters.Binary;
using System.Data;
using ICSharpCode.SharpZipLib.BZip2;
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.Zip.Compression;
using ICSharpCode.SharpZipLib.Zip.Compression.Streams;
using ICSharpCode.SharpZipLib.GZip;
namespace SoundCondense
{
/// <summary>
/// UnZipClass 的摘要说明。
/// </summary>
public class UnZipClass
{
public void UnZip(string[] args)
{
ZipInputStream s = new ZipInputStream(File.OpenRead(args[0]));
try
{
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = Path.GetDirectoryName(args[1]);
string fileName = Path.GetFileName(theEntry.Name);
//生成解压目录
Directory.CreateDirectory(directoryName);
if (fileName != String.Empty)
{
//解压文件到指定的目录
FileStream streamWriter = File.Create(args[1]+theEntry.Name);
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;
}
}
streamWriter.Close();
}
}
s.Close();
}
catch(Exception ex)
{
throw ex;
}
finally
{
s.Close();
}
}
public static bool UnZipFile(string file, string dir)
{
try
{
if (!Directory.Exists(dir))
Directory.CreateDirectory(dir);
string fileFullName = Path.Combine(dir,file);
ZipInputStream s = new ZipInputStream(File.OpenRead( fileFullName ));
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
if (directoryName != String.Empty)
Directory.CreateDirectory( Path.Combine(dir, directoryName));
if (fileName != String.Empty)
{
FileStream streamWriter = File.Create( Path.Combine(dir,theEntry.Name) );
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;
}
}
streamWriter.Close();
}
}
s.Close();
return true;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 解压文件
/// </summary>
/// <param name="sourceFileName">被解压文件名称</param>
/// <param name="destPath">解压后文件目录</param>
/// <param name="fileType">文件类型</param>
public static void unzipFile(string sourceFileName,string destPath,string fileType)
{
ZipInputStream s = new ZipInputStream(File.OpenRead(sourceFileName));
ZipEntry theEntry;
ArrayList al=new ArrayList();
while ((theEntry = s.GetNextEntry()) != null)
{
string fileName=Path.GetFileName(theEntry.Name);
if(fileName!="")
{
fileName=destPath+"\\"+fileName;
if(!Directory.Exists(destPath))
{
Directory.CreateDirectory(destPath);
}
FileStream streamWriter = File.Create(fileName);
int size = 2048;
byte[] data = new byte[2048];
s.Password="";
while (true)
{
size = s.Read(data, 0, data.Length);
if (size > 0)
{
streamWriter.Write(data, 0, size);
}
else
{
break;
}
}
streamWriter.Close();
}
}
s.Close();
}
/// <summary>
/// 解压缩指定的Zip文件
/// </summary>
/// <param name="源文件">要解压缩的文件路径</param>
/// <param name="目标文件">解压缩后保存的文件路径</param>
/*
public static void UnCompressFile(string oldFile, string newFile)
{
if (!File.Exists(oldFile)) throw new FileNotFoundException();
using (FileStream sourceStream = new FileStream(oldFile, FileMode.Open))
{
byte[] quartetBuffer = new byte[4];
int position = (int)sourceStream.Length - 4;
sourceStream.Position = position;
sourceStream.Read(quartetBuffer, 0, 4);
sourceStream.Position = 0;
int checkLength = BitConverter.ToInt32(quartetBuffer, 0);
byte[] buffer = new byte[checkLength + 100];
using (GZipStream decompressedStream = new GZipStream(sourceStream, CompressionMode.Decompress, true))
{
int total = 0;
for (int offset = 0; ; )
{
int bytesRead = decompressedStream.Read(buffer, offset, 100);
if (bytesRead == 0) break;
offset += bytesRead;
total += bytesRead;
}
using (FileStream destinationStream = new FileStream(newFile, FileMode.Create))
{
destinationStream.Write(buffer, 0, total);
destinationStream.Flush();
}
}
}
}
*/
}
}
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