贯彻多级子目录Zip压缩解压实例

By admin in 4858.com on 2019年3月29日

贯彻多级子目录Zip压缩解压实例。     

参考

重点:

达成多级子目录的缩减,类似winrar,能够选拔是不是排除规则目录

     

4858.com 1

     

4858.com ,     

     

4858.com 2

     

   

   

   

 1
    public
    void ZipDirectoryTest()   

 2
    {   

 3
    string path = System.IO.Path.Combine(System.IO.Path.GetTempPath(), DateTime.Now.Ticks.ToString());   

 4
    foreach (string sub in
    new
    string[] { "bin", "release", "test", "test\\bin", "" })   

 5
    {   

 6
    string subPath = System.IO.Path.Combine(path, sub);   

 7
    if (!System.IO.Directory.Exists(subPath))   

 8
    System.IO.Directory.CreateDirectory(subPath);   

 9 System.IO.File.WriteAllText(System.IO.Path.Combine(subPath, "1.cs"), "");   

10 System.IO.File.WriteAllText(System.IO.Path.Combine(subPath, "1.txt"), "");   

11 System.IO.File.WriteAllText(System.IO.Path.Combine(subPath, "1.html"), "");   

12 System.IO.File.WriteAllText(System.IO.Path.Combine(subPath, "1.bin"), "");   

13


14
    }   

15
    Console.WriteLine(path);   

16


17
    new ZipHelper().ZipDirectory(path, "e:\\temp\\tt.zip",false);   

18 ZipHelper.UnZip("e:\\temp\\tt.zip", "e:\\temp\\tt2");   

19
    //System.IO.Directory.Delete(path, true);   

20
    //Q.Helper.FileHelper.SelectFile(path);   


21 }  

   

代码

    

  1
    using System;

  2


  3
    using System.Collections.Generic;

  4


  5
    using System.Linq;

  6


  7
    using System.Text;

  8


  9
    using System.IO;

 10


 11
    using ICSharpCode.SharpZipLib;

 12


 13
    using ICSharpCode.SharpZipLib.Zip;

 14


 15
    #if NETSTANDARD2_0

 16


 17
    using ICSharpCode.SharpZipLib.Checksum;

 18


 19
    #else


 20


 21
    using ICSharpCode.SharpZipLib.Checksums;

 22


 23
    #endif


 24


 25


 26


 27
    namespace Q.Helper.Zip

 28


 29
    {

 30


 31


 32


 33
    ///
    <summary>


 34


 35
    /// 适用与ZIP压缩

 36


 37
    ///
    </summary>


 38


 39
    public
    class ZipHelper

 40


 41
    {

 42


 43
    public
    int Level

 44


 45
    {

 46


 47
    get; set;

 48


 49
    }

 50


 51
    #region 压缩

 52


 53


 54


 55
    ///
    <summary>


 56


 57
    /// 递归压缩文件夹的内部方法(排除相对路径)

 58


 59
    ///
    </summary>


 60


 61
    ///
    <param name="folderToZip">要压缩的文件夹路径</param>


 62


 63
    ///
    <param name="zipStream">压缩输出流</param>


 64


 65
    ///
    <param name="parentFolderName">此文件夹的上级文件夹</param>


 66


 67
    ///
    <param name="includeFloderName">是否包含目录名</param>


 68


 69
    ///
    <returns></returns>


 70


 71
    private
    bool ZipDirectory(string folderToZip, ZipOutputStream zipStream, string parentFolderName, bool createBaseFolder = true)

 72


 73
    {

 74


 75 folderToZip = folderToZip.Replace("\\", "/");

 76


 77
    bool result = true;

 78


 79
    string[] folders, files;

 80


 81 ZipEntry ent = null;

 82


 83 FileStream fs = null;

 84


 85 Crc32 crc = new Crc32();

 86


 87


 88


 89
    try


 90


 91
    {

 92


 93
    string entPath = Path.Combine(parentFolderName, Path.GetFileName(folderToZip) + "/").Replace("\\", "/");

 94


 95
    if (!createBaseFolder)

 96


 97 entPath = entPath.Substring(entPath.IndexOf("/") + 1);

 98


 99
    if (!string.IsNullOrEmpty(entPath))

100


101
    {

102


103 ent = new ZipEntry(entPath);

104


105
    Console.WriteLine(entPath);

106


107
    zipStream.PutNextEntry(ent);

108


109
    zipStream.Flush();

110


111
    }

112


113 files = Directory.GetFiles(folderToZip);

114


115
    foreach (string file in files)

116


117
    {

118


119 fs = File.OpenRead(file);

120


121


122


123
    byte[] buffer = new
    byte[fs.Length];

124


125 fs.Read(buffer, 0, buffer.Length);

126


127 entPath = Path.Combine(parentFolderName, Path.GetFileName(folderToZip) + "/" + Path.GetFileName(file)).Replace("\\", "/");

128


129
    if (!createBaseFolder)

130


131 entPath = entPath.Substring(entPath.IndexOf("/") + 1);

132


133
    Console.WriteLine(entPath);

134


135 ent = new ZipEntry(entPath);

136


137 ent.DateTime = DateTime.Now;

138


139 ent.Size = fs.Length;

140


141


142


143
    fs.Close();

144


145


146


147
    crc.Reset();

148


149
    crc.Update(buffer);

150


151


152


153 ent.Crc = crc.Value;

154


155
    zipStream.PutNextEntry(ent);

156


157 zipStream.Write(buffer, 0, buffer.Length);

158


159
    }

160


161


162


163
    }

164


165
    catch (Exception ex)

166


167
    {

168


169 result = false;

170


171
    throw ex;

172


173
    }

174


175
    finally


176


177
    {

178


179
    if (fs != null)

180


181
    {

182


183
    fs.Close();

184


185
    fs.Dispose();

186


187
    }

188


189
    if (ent != null)

190


191
    {

192


193 ent = null;

194


195
    }

196


197
    GC.Collect();

198


199 GC.Collect(1);

200


201
    }

202


203


204


205 folders = Directory.GetDirectories(folderToZip);

206


207
    //多级递归时需要记住相对目录


208


209
    foreach (string folder in folders)

210


211
    {

212


213
    if (!ZipDirectory(folder, zipStream, Path.Combine(parentFolderName, Path.GetFileName(folderToZip)), createBaseFolder))

214


215
    return
    false;

216


217
    }

218


219
    return result;

220


221
    }

222


223


224


225
    ///
    <summary>


226


227
    /// 压缩文件夹

228


229
    ///
    </summary>


230


231
    ///
    <param name="folderToZip">要压缩的文件夹路径</param>


232


233
    ///
    <param name="zipedFile">压缩文件完整路径</param>


234


235
    ///
    <param name="password">密码</param>


236


237
    ///
    <returns>是否压缩成功</returns>


238


239
    public
    bool ZipDirectory(string folderToZip, string zipedFile, string password, bool includeFloderName = true)

240


241
    {

242


243
    bool result = false;

244


245
    if (!Directory.Exists(folderToZip))

246


247
    return result;

248


249


250


251 ZipOutputStream zipStream = new ZipOutputStream(File.Create(zipedFile));

252


253
    zipStream.SetLevel(Level);

254


255
    if (!string.IsNullOrEmpty(password)) zipStream.Password = password;

256


257


258


259 result = ZipDirectory(folderToZip, zipStream, "", includeFloderName);

260


261


262


263
    zipStream.Finish();

264


265
    zipStream.Close();

266


267


268


269
    return result;

270


271
    }

272


273


274


275
    ///
    <summary>


276


277
    /// 压缩文件夹

278


279
    ///
    </summary>


280


281
    ///
    <param name="folderToZip">要压缩的文件夹路径</param>


282


283
    ///
    <param name="zipedFile">压缩文件完整路径</param>


284


285
    ///
    <returns>是否压缩成功</returns>


286


287
    public
    bool ZipDirectory(string folderToZip, string zipedFile, bool includeFloderName = true)

288


289
    {

290


291
    bool result = ZipDirectory(folderToZip, zipedFile, "", includeFloderName);

292


293
    return result;

294


295
    }

296


297


298


299
    ///
    <summary>


300


301
    /// 压缩文件

302


303
    ///
    </summary>


304


305
    ///
    <param name="fileToZip">要压缩的文件全名</param>


306


307
    ///
    <param name="zipedFile">压缩后的文件名</param>


308


309
    ///
    <param name="password">密码</param>


310


311
    ///
    <returns>压缩结果</returns>


312


313
    public
    bool ZipFile(string fileToZip, string zipedFile, string password)

314


315
    {

316


317
    bool result = true;

318


319 ZipOutputStream zipStream = null;

320


321 FileStream fs = null;

322


323 ZipEntry ent = null;

324


325


326


327
    if (!File.Exists(fileToZip))

328


329
    return
    false;

330


331


332


333
    try


334


335
    {

336


337 fs = File.OpenRead(fileToZip);

338


339
    byte[] buffer = new
    byte[fs.Length];

340


341 fs.Read(buffer, 0, buffer.Length);

342


343
    fs.Close();

344


345


346


347 fs = File.Create(zipedFile);

348


349 zipStream = new ZipOutputStream(fs);

350


351
    if (!string.IsNullOrEmpty(password)) zipStream.Password = password;

352


353 ent = new ZipEntry(Path.GetFileName(fileToZip));

354


355
    zipStream.PutNextEntry(ent);

356


357
    zipStream.SetLevel(Level);

358


359


360


361 zipStream.Write(buffer, 0, buffer.Length);

362


363


364


365
    }

366


367
    catch


368


369
    {

370


371 result = false;

372


373
    }

374


375
    finally


376


377
    {

378


379
    if (zipStream != null)

380


381
    {

382


383
    zipStream.Finish();

384


385
    zipStream.Close();

386


387
    }

388


389
    if (ent != null)

390


391
    {

392


393 ent = null;

394


395
    }

396


397
    if (fs != null)

398


399
    {

400


401
    fs.Close();

402


403
    fs.Dispose();

404


405
    }

406


407
    }

408


409
    GC.Collect();

410


411 GC.Collect(1);

412


413


414


415
    return result;

416


417
    }

418


419


420


421
    ///
    <summary>


422


423
    /// 压缩文件

424


425
    ///
    </summary>


426


427
    ///
    <param name="fileToZip">要压缩的文件全名</param>


428


429
    ///
    <param name="zipedFile">压缩后的文件名</param>


430


431
    ///
    <returns>压缩结果</returns>


432


433
    public
    bool ZipFile(string fileToZip, string zipedFile)

434


435
    {

436


437
    bool result = ZipFile(fileToZip, zipedFile, null);

438


439
    return result;

440


441
    }

442


443


444


445
    ///
    <summary>


446


447
    /// 压缩文件或文件夹

448


449
    ///
    </summary>


450


451
    ///
    <param name="fileToZip">要压缩的路径</param>


452


453
    ///
    <param name="zipedFile">压缩后的文件名</param>


454


455
    ///
    <param name="password">密码</param>


456


457
    ///
    <returns>压缩结果</returns>


458


459
    public
    bool Zip(string fileToZip, string zipedFile, string password)

460


461
    {

462


463
    bool result = false;

464


465
    if (Directory.Exists(fileToZip))

466


467 result = ZipDirectory(fileToZip, zipedFile, password);

468


469
    else
    if (File.Exists(fileToZip))

470


471 result = ZipFile(fileToZip, zipedFile, password);

472


473


474


475
    return result;

476


477
    }

478


479


480


481
    ///
    <summary>


482


483
    /// 压缩文件或文件夹

484


485
    ///
    </summary>


486


487
    ///
    <param name="fileToZip">要压缩的路径</param>


488


489
    ///
    <param name="zipedFile">压缩后的文件名</param>


490


491
    ///
    <returns>压缩结果</returns>


492


493
    public
    bool Zip(string fileToZip, string zipedFile)

494


495
    {

496


497
    bool result = Zip(fileToZip, zipedFile, null);

498


499
    return result;

500


501


502


503
    }

504


505


506


507
    #endregion


508


509


510


511
    #region 解压

512


513


514


515
    ///
    <summary>


516


517
    /// 解压功能(解压压缩文件到指定目录)

518


519
    ///
    </summary>


520


521
    ///
    <param name="fileToUnZip">待解压的文件</param>


522


523
    ///
    <param name="zipedFolder">指定解压目标目录</param>


524


525
    ///
    <param name="password">密码</param>


526


527
    ///
    <returns>解压结果</returns>


528


529
    public
    static
    bool UnZip(string fileToUnZip, string zipedFolder, string password)

530


531
    {

532


533
    bool result = true;

534


535


536


537 ZipInputStream zipStream = null;

538


539 ZipEntry ent = null;

540


541
    string fileName;

542


543


544


545
    if (!File.Exists(fileToUnZip))

546


547
    return
    false;

548


549


550


551
    if (!Directory.Exists(zipedFolder))

552


553
    Directory.CreateDirectory(zipedFolder);

554


555


556


557
    try


558


559
    {

560


561 zipStream = new ZipInputStream(File.OpenRead(fileToUnZip));

562


563
    if (!string.IsNullOrEmpty(password)) zipStream.Password = password;

564


565
    while ((ent = zipStream.GetNextEntry()) != null)

566


567
    {

568


569
    if (!string.IsNullOrEmpty(ent.Name))

570


571
    {

572


573 fileName = Path.Combine(zipedFolder, ent.Name);

574


575 fileName = fileName.Replace('/', '\\');//change by Mr.HopeGi


576


577


578


579
    if (fileName.EndsWith("\\"))

580


581
    {

582


583
    Directory.CreateDirectory(fileName);

584


585
    continue;

586


587
    }

588


589
    using (FileStream fs = File.Create(fileName))

590


591
    {

592


593
    int size = 2048;

594


595
    byte[] data = new
    byte[size];

596


597
    while (true)

598


599
    {

600


601


602


603 size = zipStream.Read(data, 0, data.Length);

604


605
    if (size > 0)

606


607 fs.Write(data, 0, data.Length);

608


609
    else


610


611
    break;

612


613
    }

614


615
    fs.Flush();

616


617


618


619
    fs.Close();

620


621
    new FileInfo(fileName).LastWriteTime = ent.DateTime;

622


623
    }

624


625


626


627
    }

628


629
    }

630


631
    }

632


633
    catch


634


635
    {

636


637 result = false;

638


639
    }

640


641
    finally


642


643
    {

644


645


646


647
    if (zipStream != null)

648


649
    {

650


651
    zipStream.Close();

652


653
    zipStream.Dispose();

654


655
    }

656


657
    if (ent != null)

658


659
    {

660


661 ent = null;

662


663
    }

664


665
    GC.Collect();

666


667 GC.Collect(1);

668


669
    }

670


671
    return result;

672


673
    }

674


675


676


677
    ///
    <summary>


678


679
    /// 解压功能(解压压缩文件到指定目录)

680


681
    ///
    </summary>


682


683
    ///
    <param name="fileToUnZip">待解压的文件</param>


684


685
    ///
    <param name="zipedFolder">指定解压目标目录</param>


686


687
    ///
    <returns>解压结果</returns>


688


689
    public
    static
    bool UnZip(string fileToUnZip, string zipedFolder)

690


691
    {

692


693
    bool result = UnZip(fileToUnZip, zipedFolder, null);

694


695
    return result;

696


697
    }

698


699


700


701
    #endregion


702


703
    }

704


705 }

   

   

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