C#解压ZIP文件
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.Zip;
using ICSharpCode.SharpZipLib.Zip.Compression;
using ICSharpCode.SharpZipLib.Zip.Compression.Streams;
namespace XML
{
class UNZIP
{
///
/// 功能：解压文件
/// creator chaodongwang 2009-11-11
///
///
/// 功能：解压zip格式的文件。
///
/// 压缩文件路径
/// 解压文件存放路径,为空时默认与压缩文件同一级目录下，跟压缩文件同名的文件夹
/// 出错信息
///
public void UnZip(string zipFilePath, string unZipDir)
{
if (zipFilePath == string.Empty)
{
throw new Exception("压缩文件不能为空！");
}
if (!File.Exists(zipFilePath))
{
throw new System.IO.FileNotFoundException("压缩文件不存在！");
}
//文件夹里建一个带有时间戳的文件夹
unZipDir += "weather"+DateTime.Now.ToString("yyyyMMddHHmmsss");
//解压文件夹为空时默认与压缩文件同一级目录下，跟压缩文件同名的文件夹
if (unZipDir == string.Empty)
unZipDir = zipFilePath.Replace(Path.GetFileName(zipFilePath), Path.GetFileNameWithoutExtension(zipFilePath));
if (!unZipDir.EndsWith("\\"))
unZipDir += "\\";
if (!Directory.Exists(unZipDir))
Directory.CreateDirectory(unZipDir);
using (ZipInputStream s = new ZipInputStream(File.OpenRead(zipFilePath)))
{
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
if (directoryName.Length > 0)
{
Directory.CreateDirectory(unZipDir + directoryName);
//将解压后的文件放到带时间戳的文件夹里
}
if (!directoryName.EndsWith("\\"))
directoryName += "\\";
if (fileName != String.Empty)
{
using (FileStream streamWriter = File.Create(unZipDir + 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;
}
}
}
}
}
}
}
}
}
///