最近要做一个项目涉及到C#中压缩与解压缩的问题的解决方法,大家分享。
这里主要解决文件夹包含文件夹的解压缩问题。
)下载SharpZipLib.dll,在http://www.icsharpcode.net/OpenSource/SharpZipLib/Download.aspx中有最新免费版本,“Assemblies for .NET 1.1, .NET 2.0, .NET CF 1.0, .NET CF 2.0: Download [297 KB] ”点击Download可以下载,解压后里边有好多文件夹,因为不同的版本,我用的FW2.0。
)引用SharpZipLib.dll,在项目中点击项目右键-->添加引用-->浏览,找到要添加的DLL-->确认
)改写了文件压缩和解压缩的两个类,新建两个类名字为ZipFloClass.cs,UnZipFloClass.cs
压缩文件夹
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.IO;
using ICSharpCode.SharpZipLib.Checksums;
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.GZip;
/// ZipFloClass 的摘要说明
public class ZipFloClass
public void ZipFile(string strFile, string strZip)
if (strFile[strFile.Length - 1] != Path.DirectorySeparatorChar)
strFile += Path.DirectorySeparatorChar;
ZipOutputStream s = new ZipOutputStream(File.Create(strZip));
s.SetLevel(6); // 0 - store only to 9 - means best compression
zip(strFile, s, strFile);
s.Finish();
s.Close();
private void zip(string strFile, ZipOutputStream s, string staticFile)
if (strFile[strFile.Length - 1] != Path.DirectorySeparatorChar) strFile += Path.DirectorySeparatorChar;
Crc32 crc = new Crc32();
string[] filenames = Directory.GetFileSystemEntries(strFile);
foreach (string file in filenames)
if (Directory.Exists(file))
zip(file, s, staticFile);
else // 否则直接压缩文件
//打开压缩文件
FileStream fs = File.OpenRead(file);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
string tempfile = file.Substring(staticFile.LastIndexOf("\\") + 1);
ZipEntry entry = new ZipEntry(tempfile);
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);
解压文件夹
using System;
using System.Data;
using System.Web;
using System.Text;
using System.Collections;
using System.IO;
using System.Diagnostics;
using System.Runtime.Serialization.Formatters.Binary;
using ICSharpCode.SharpZipLib.BZip2;
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.Zip.Compression;
using ICSharpCode.SharpZipLib.Zip.Compression.Streams;
using ICSharpCode.SharpZipLib.GZip;
using ICSharpCode.SharpZipLib.Checksums;
/// UnZipFloClass 的摘要说明
public class UnZipFloClass
public string unZipFile(string TargetFile, string fileDir)
string rootFile = " ";
//读取压缩文件(zip文件),准备解压缩
ZipInputStream s = new ZipInputStream(File.OpenRead(TargetFile.Trim()));
ZipEntry theEntry;
string path = fileDir;
//解压出来的文件保存的路径
string rootDir = " ";
//根目录下的第一个子文件夹的名称
while ((theEntry = s.GetNextEntry()) != null)
rootDir = Path.GetDirectoryName(theEntry.Name);
//得到根目录下的第一级子文件夹的名称
if (rootDir.IndexOf("\\") >= 0)
rootDir = rootDir.Substring(0, rootDir.IndexOf("\\") + 1);
string dir = Path.GetDirectoryName(theEntry.Name);
//根目录下的第一级子文件夹的下的文件夹的名称
string fileName = Path.GetFileName(theEntry.Name);
//根目录下的文件名称
if (dir != " " )
//创建根目录下的子文件夹,不限制级别
if (!Directory.Exists(fileDir + "\\" + dir))
path = fileDir + "\\" + dir;
//在指定的路径创建文件夹
Directory.CreateDirectory(path);
else if (dir == " " && fileName != "")
//根目录下的文件
path = fileDir;
rootFile = fileName;
else if (dir != " " && fileName != "")
//根目录下的第一级子文件夹下的文件
if (dir.IndexOf("\\") > 0)
//指定文件保存的路径
path = fileDir + "\\" + dir;
if (dir == rootDir)
//判断是不是需要保存在根目录下的文件
path = fileDir + "\\" + rootDir;
//以下为解压缩zip文件的基本步骤
//基本思路就是遍历压缩文件里的所有文件,创建一个相同的文件。
if (fileName != String.Empty)
FileStream streamWriter = File.Create(path + "\\" + 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);
break;
streamWriter.Close();
s.Close();
return rootFile;
catch (Exception ex)
return "1; " + ex.Message;
View Code
/// <summary>
/// 压缩
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
string[] FileProperties = new string[2];
FileProperties[0] = "D:\\Debug\\";//待压缩文件目录
//Debug2=>目录必须存在(可以改进程序)
FileProperties[1] = "D:\\Debug2\\a.zip"; //压缩后的目标文件
ZipFloClass Zc = new ZipFloClass();
Zc.ZipFile(FileProperties[0], FileProperties[1]);
/// <summary>
/// 解压
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button2_Click(object sender, EventArgs e)
string[] FileProperties = new string[2];
FileProperties[0] = "D:\\Debug2\\a.zip";//待解压的文件
//=>Debug3目录可以不用存在
FileProperties[1] = "D:\\Debug3\\";//解压后放置的目标目录
UnZipFloClass UnZc = new UnZipFloClass();
UnZc.unZipFile(FileProperties[0], FileProperties[1]);
View Code
[-] .\Navicat-Cracker NavicatCrackerDlg.cpp:332 -3All patch solutions are suppressed. Patch abort!HI