ICSharpCode.SharpZipLib.dll实现压缩解压一个树形目录
时间：2013-09-27 10:41 来源：互联网 作者：源码搜藏 收藏
[csharp] view plaincopy using System; using System.IO; using ICSharpCode.SharpZipLib.Checksums; using ICSharpCode.SharpZipLib.Zip; using ICSharpCode.SharpZipLib.GZip; using System.Collections; namespace ZipSharpLibray.Common.Control { ///s
- using System;
- using System.IO;
- using ICSharpCode.SharpZipLib.Checksums;
- using ICSharpCode.SharpZipLib.Zip;
- using ICSharpCode.SharpZipLib.GZip;
- using System.Collections;
- namespace ZipSharpLibray.Common.Control
- {
- /// <summary>
- /// Class1 的摘要说明。
- /// </summary>
- public class FileZipCreate
- {
- private static FileZipCreate filezipcreate=null;
- private string zipfilecreatename;
- private string filesdirectorypath;
- private int dirnamelength = 0;
- private int ziplevel = 6;
- private FileZipCreate()
- {
- //
- // TODO: 在此处添加构造函数逻辑
- //
- }
- /// <summary>
- /// 压缩后的文件的全名称
- /// </summary>
- public string ZipFileCreateName
- {
- set
- {
- this.zipfilecreatename=value;
- }
- get
- {
- return this.zipfilecreatename;
- }
- }
- /// <summary>
- /// 待压缩文件目录
- /// </summary>
- public string FileDirectoryPath
- {
- set
- {
- this.filesdirectorypath=value;
- }
- get
- {
- return this.filesdirectorypath;
- }
- }
- public int ZipLevel
- {
- set
- {
- this.ziplevel=value;
- }
- get
- {
- return this.ziplevel;
- }
- }
- public static FileZipCreate ZipFileInstance()
- {
- if(filezipcreate==null)
- {
- filezipcreate=new FileZipCreate();
- }
- return filezipcreate;
- }
- /// <summary>
- /// 压缩文件的方法
- /// </summary>
- public void ZipFileCreate()
- {
- ZipOutputStream zipoutputstream= new ZipOutputStream(File.Create(this.zipfilecreatename));
- zipoutputstream.SetLevel(this.ziplevel);
- Crc32 crc = new Crc32();
- Hashtable fileList=this.getAllFies();
- foreach (DictionaryEntry item in fileList)
- {
- FileStream fs = File.OpenRead(item.Key.ToString());
- byte[] buffer = new byte[fs.Length];
- fs.Read(buffer, 0, buffer.Length);
- ZipEntry entry = new ZipEntry(item.Key.ToString().Substring(this.filesdirectorypath.Length-this.dirnamelength));
- entry.DateTime = (DateTime)item.Value;
- entry.Size = fs.Length;
- fs.Close();
- crc.Reset();
- crc.Update(buffer);
- entry.Crc = crc.Value;
- zipoutputstream.PutNextEntry(entry);
- zipoutputstream.Write(buffer, 0, buffer.Length);
- }
- zipoutputstream.Finish();
- zipoutputstream.Close();
- }
- /// <summary>
- /// 获取所有文件
- /// </summary>
- /// <returns></returns>
- private Hashtable getAllFies()
- {
- Hashtable FilesList = new Hashtable();
- DirectoryInfo fileDire = new DirectoryInfo(this.filesdirectorypath);
- if(!fileDire.Exists)
- {
- throw new System.IO.FileNotFoundException("目录:"+ fileDire.FullName + "没有找到!");
- }
- this.dirnamelength=fileDire.Name.Length;
- this.getAllDirFiles(fileDire,FilesList);
- this.getAllDirsFiles(fileDire.GetDirectories(),FilesList);
- return FilesList;
- }
- /// <summary>
- /// 获取一个文件夹下的所有文件夹里的文件
- /// </summary>
- /// <param name="dirs"></param>
- /// <param name="filesList"></param>
- private void getAllDirsFiles(DirectoryInfo[] dirs, Hashtable filesList)
- {
- foreach (DirectoryInfo dir in dirs)
- {
- foreach (FileInfo file in dir.GetFiles("*.*"))
- {
- filesList.Add(file.FullName,file.LastWriteTime);
- }
- this.getAllDirsFiles(dir.GetDirectories(),filesList);
- }
- }
- /// <summary>
- /// 获取一个文件夹下的文件
- /// </summary>
- /// <param name="strDirName">目录名称</param>
- /// <param name="filesList">文件列表HastTable</param>
- private void getAllDirFiles(DirectoryInfo dir,Hashtable filesList)
- {
- foreach (FileInfo file in dir.GetFiles("*.*"))
- {
- filesList.Add(file.FullName, file.LastWriteTime);
- }
- }
- }
- }
- //解压
- using System;
- using System.IO;
- using ICSharpCode.SharpZipLib.Checksums;
- using ICSharpCode.SharpZipLib.Zip;
- using ICSharpCode.SharpZipLib.GZip;
- namespace ZipSharpLibray.Common.Control
- {
- /// <summary>
- /// UZipFilesCreate 的摘要说明。
- /// </summary>
- public class UZipFilesCreate
- {
- private string zipfilename;
- private string filescreatepath;
- private static UZipFilesCreate uzipfilescreate=null;
- private UZipFilesCreate()
- {
- //
- // TODO: 在此处添加构造函数逻辑
- //
- }
- /// <summary>
- /// Zip文件目录
- /// </summary>
- public string ZipFileName
- {
- set
- {
- this.zipfilename=value;
- }
- get
- {
- return this.zipfilename;
- }
- }
- /// <summary>
- /// 解压文件目录
- /// </summary>
- public string filesCreatePath
- {
- set
- {
- this.filescreatepath=value;
- }
- get
- {
- return this.filescreatepath;
- }
- }
- public static UZipFilesCreate UZipFilesInstance()
- {
- if(uzipfilescreate==null)
- {
- uzipfilescreate=new UZipFilesCreate();
- }
- return uzipfilescreate;
- }
- public void UZipCreateFiles()
- {
- ZipEntry entry;
- ZipInputStream zipinputstream = new ZipInputStream(File.OpenRead(this.zipfilename));
- while ((entry = zipinputstream.GetNextEntry()) != null)
- {
- this.CreateDirList(entry.Name);
- string strPath=this.filescreatepath+"//"+entry.Name;
- FileStream streamWriter =File.Create(strPath);
- byte[] data = new byte[entry.Size];
- zipinputstream.Read(data, 0, data.Length);
- streamWriter.Write(data, 0, data.Length);
- streamWriter.Close();
- File.SetLastWriteTime(strPath,entry.DateTime);
- }
- zipinputstream.Close();
- }
- private void CreateDirList(string filename)
- {
- string dirName=this.filescreatepath;
- string[] dirlevelname=filename.Split('//');
- for(int i=0;i<dirlevelname.Length-1;i++)
- {
- dirName+="//"+dirlevelname[i];
- if(Directory.Exists(dirName))
- {
- continue;
- }
- Directory.CreateDirectory(dirName);
- }
- }
- }
- }
- //调用
- using ZipSharpLibray.Common.Control;
- ......
- private void Button1_Click(object sender, System.EventArgs e)
- {
- //压缩
- FileZipCreate filezipcreate=FileZipCreate.ZipFileInstance();
- filezipcreate.ZipFileCreateName=Server.MapPath(DateTime.Now.ToString("yyyyMMddmmss")+".zip");
- filezipcreate.FileDirectoryPath=Server.MapPath("../Admin/Css");
- filezipcreate.ZipFileCreate();
- }
- private void Button2_Click(object sender, System.EventArgs e)
- {
- //解压
- UZipFilesCreate uzipfilescreate=UZipFilesCreate.UZipFilesInstance();
- uzipfilescreate.ZipFileName=this.File1.PostedFile.FileName.Trim();
- uzipfilescreate.filesCreatePath=Server.MapPath("");
- uzipfilescreate.UZipCreateFiles();
- }
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