encrypt zip file

1package Com.resoft.util;3import Java.io.BufferedOutputStream;4import Java.io.File;5import Java.io.FileInputStream;6import java.io.FileNotFoundException;7import Java.io.FileOutputStream;8import java.io.IOException;9import Java.io.InputStream;10import Java.io.OutputStream;11import java.util.Enumeration;13import Org.apache.tools.zip.ZipEntry;14import Org.apache.tools.zip.ZipFile;15import Org.apache.tools.zip.ZipOutputStream;17/** *//*** Compressed/uncompressed

Apache commons compress is a class library for compressing and decompressing files. You can operate files in Ar, cpio, Unix dump, tar, zip, Gzip, xz, pack200 and Bzip2 formats with powerful functions. Here, we will write two methods to compress files into ZIP files and decompress files from ZIP files using commons compress. Directly paste the tool classCode

Implementation code:Definition file root path: Tomcat temp path + timestampString dirName = System.getproperty ("Java.io.tmpdir") + System.currenttimemillis ();String fileName = "Xxx.zip";Response.setcontenttype ("Application/zip");Response.setcharacterencoding ("UTF-8");String dfilename = null;Dfilename = new String (filename.getbytes ("GB2312"), "iso_8859_1");Response.setheader ("Content-disposition", "at

7-Zip Introduction 7-Zip is a compression software that claims to have the highest compression ratio today. It not only supports the unique 7z file format, but also supports a variety of other compression file formats, including ZIP, RAR, CAB, GZIP, BZIP2, TAR, etc. The co

How to use php to add a file to an existing zip file on the server. Note that the file is not generated. add a file without unlocking the zip file on the server. What should I do ., Add

Java implementation Zip decompression and compression is basically using the Java peptide and recursive technology, can be a single file and any Cascade folder compression and decompression, for some beginners is a good example.Zip plays archive and compresses two roles; gzip does not archive files, only compresses individual files, so on UNIX platforms, command tar is typically used to create an archive

PHPHeader(Content-type:text/html;charset=utf-8);error_reporting(E_all);Set_time_limit(0);$zip _filename = "Test.zip";$zip _filename = key_exists(Zip, $_get) $_get[Zip]?$_get[Zip]:$zip _filename;$

This article illustrates how PHP extracts a zip file to a specified folder. Share to everyone for your reference, specific as follows: /** * Function: Extract zip Format files * author:friker * date:2015-15-14 * reference:http://php.net/manual/zh/ref.zip.php * All Rights reserved:wujiangwei123@126.com */class unzip{Public function __construct () {//init cod

$ Z = new phpzip (); $ File = array('itokit.jpg '); $ Zipname = './itokit_com/'. Time (). '.zip '; $ Z-> zip ($ file, $ zipname ); /**The following are other methods that call this class:$ Z = new phpzip (); // create a zip class Method 1:$ Z->

We all know that. zip-formatted compressed files are supported by default on Mac OS X, but sometimes when we open a zip file, it automatically becomes a. cpgz format file. If you open it again using the Archive tool, you will be able to recycle the compressed package in the. zip