Dotnetzip File compression and decompression

Download the official source code: http://files.cnblogs.com/zhengjuzhuan/dotnetziplib-devkit-v1%1%.8.zip

Code

  Dotnetzip is a short and easy-to-use. Net class library used to operate ZIP files. It supports any. Net Language and allows you to easily create, read, and update ZIP files. It can also be used in. netcompact framework.

Below are some simple examples:

  1  . Encrypted compression:

  Using  (Zipfile zip  =     New Zipfile ())
{
Zip. Password  =  Spassword;  //  Set pwd  
  Zip. adddirectory (szipdir );
Zip. Save (ssavepath  +     @"  \  "     +  Ssavename );
}

  2 . Add to the compressed file:
  Using  (Zipfile zip  =     New  Zipfile (  "  Backup.zip  "  ))
{
Zip. Password  =     "  123456!  "  ;
Zip. AddFile ( "  Readme.txt  "  );
Zip. AddFile (  "  7440-n49th.png  "  );
Zip. AddFile (  "  2005_annual_report.pdf  "  );
Zip. Save ();
}

  3  . Decompress to the specified directory:
  Using  (Zipfile zip =  Zipfile. Read (  "  D: \ test \ 2007.zip  "  ))
{
  Foreach  (Zipentry E  In  Zip)
{
Console. writeline (  "  File Name: {0}  "  , E. filename );
Console. writeline (E. Comment );
E. Extract (  " D: \ test \ pwdata  "  ,  True  );  //  Overwrite = true  
  }
}

  4  . Chinese garbled problem system. Text. encoding. Default
  Using  (Zipfile zip  =     New Zipfile (system. Text. encoding. Default ))
{
  Foreach  (VAR F  In  Filestoinclude)
{
Zip. AddFile (F,  "  Files  "  );
}
Zip. addentry (  "  Readme.txt  "  ,  ""  , Readmetext );
Zip. Save (response. outputstream );
}

 5  .Asp.net package and download
Ionic. Zip. zipfile zipfilepack  =     New  Ionic. Zip. zipfile (system. Text. encoding. Default );
  String  Souredirectory  =     This  . Mappath (  "  Filepack/test No. 1/temp  "  );
 String  Sourepath  =     This  . Mappath (  "  Filepack/Development Center bbbb.doc  "  );
Zipfilepack. adddirectory (souredirectory,  "  Temp  "  );  //  Files and folders in the folder are compressed to the temp directory. 
  Zipfilepack. AddFile (sourepath,  "  ABC  "  );  //  Files are compressed to the ABC directory.  
  Zipfilepack. AddFile (sourepath,  ""  );  //  File compression to the root directory  
  Response. Clear ();
Response. bufferoutput =     False  ;
Response. contentencoding  =  System. Text. encoding. utf8;
Response. contenttype  =     "  Application/zip  "  ;
Response. addheader (  "  Content-Disposition  "  , "  Filename =  "     +  Guid. newguid (). tostring ()  +     "  . Zip  "  );
Zipfilepack. Save (response. outputstream );
Response. Close (); 

Open source home: http://dotnetzip.codeplex.com/