bluedoor
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一个很不错的zip类，我做了一下中文翻译。抛砖引玉！
********************************************************
ZIP creation class
==================
This class allows you to create ZIP archives on the
fly with local files or dynamical contents.
这个类可以让你快速压缩本地文件或者动态内容。
ZLIB extensions are not necessary, so this script is
compatible with most of the hosting services !
这个类在运行时候无需ZLIB库的支持，所以能够在绝大多数服务器上运行。
********************************************************
Important notes
清注意（针对于LINUX下运行的一些问题）
===============
Always think to the CHMOD under Linux, it's really
paining to answer those questions !
在Linux下要考虑CHMOD，回复这些问题是相当痛苦。
This class can be used without ZLIB extensions, but of
course archives can't be compressed, only grouped (that's
not so bad, whatever)
在Linux下虽然也可以不用ZLIB库的支持运行，但是文件并没有被压缩，而是打成一个包而已。
To create ZIP archives that can be read without ZLIB,
you must chose the lowest compressing level ("Stock"
with WinRAR) when creating the archive.
为了在没有ZLIB库的支持的情况下正确读取文件信息，所再使用压缩软件（如：WinRAR）创建的压缩文件时要使用最低的压缩程度。
A good idea would be to try the sample script given
with the class (exemple.php).
In french (YOU translate, I always have to do)
使用例子参考示例文件：exemple.php
*********************************************************
Class functions
类的方法
===============
Here is the list of functions and arguments :
（部分）类方法与属性说明
Zip->get_List( [Archive ZIP])
类方法：get_List( 压缩文件名)
-----------------------------
Returns an array of arrays :
返回一个包含所有压缩包内文件信息的两维数组数组：
+ [filename] => Extracted filename
+ [stored_filename] => Archived filename
+ [size] => Extracted file size
+ [compressed_file] => Compressed file size
+ [crc] => CRC32 of the file (HEX)
+ [mtime] => Date (Unix time)
+ [comment] => Comment, if present
+ [folder] => 0 for a file, 1 for a folder
+ [index] => Index of the file (see extract)
+ [status] => ok if the file isn't corrupted
### EXEMPLE :
示例：
> <?
> // Displays the contents of folder/archive.zip
> include("zip.lib.php");
> $zip = new Zip;
> print_r( $zip->get_List("folder/archive.zip") );
> ?>
Zip->Add( [ARR{ ARR{ $(folder/)(Name)$, $Contents$}, ... }] , [Compression] )
类方法：Add( , [Compression] )
----------------------------------------------------------------------------
Add files/folders to an archive.
加入文件或者目录，可以是多个
The first argument is an array.
第一个参数是数组类型（二维的）
Each element of this array is an array itself, the first element is
the (folder/)name of the extracted file and the second the contents
of this file.
第二维数组中，第一个是文件名（或目录），第二个是文件的内容。
If the first element is a folder name only and if there isn't contents,
the folder will be created, but empty.
在第二维数组中，如果第一个文件名，第二个为容，会创建一个空的目录
Subfolders are automatically created if they don't exist in the file
name.
如果在文件名中不包含目录，会自动创建一个子目录
The second argument of the function can enable or disable the file
compression. (1=enable, 0=disable)
This must be set to 0 if the ZLIB extensiosn are disabled.
本方法的第二个参数是决定文件是否被压缩。如果没有ZLIB库的支持一定设置为0
Returns an array, indexes are file names and values are add status
(1 or 0)
本方法返回一个数组，索引为文件名，值为是否成功。
To use archived files, you must use get_file()
使用压缩的文件，要用get_file()方法
### EXEMPLE :
> <?
> // Creates archive test.zip no compressed with <t.txt> and <folder/>
> include("zip.lib.php");
> $zip = new Zip;
> $zip->Add(Array(Array("t.txt","Text"),Array("folder/")),0);
> fputs(fopen("test.zip","wb"), $zip->get_file() ); // see get_file()
> ?>
Zip->get_file()
方法：get_file()
---------------
Very easy : returns a string of compressed files and folders that you
can use in files or send to the client with header("Content-Type...");
返回一个包含压缩的文件和目录信息的字串（？是不是就是压缩文件的内容）
See exemple above.
Zip->extract( [ZIP Archive], [Target folder], { Index } )
方法：extract( [ZIP Archive], [Target folder], { Index } )
---------------------------------------------------------
Extract all or part of an archive.
解压操作
[ZIP Archive] is the (folder/)name of the archive you want
extract.
这个参数是要解压指定压缩包中的文件
[Target folder] is the folder where files will be extracted.
Beware ! Permissions must be accessible for PHP !
这个参数是解压出来文件存放的目录
注意一定有权限！
{ Index } is an array of file indexes you want to
extract. Indexes are descripted in get_list().
If one of thoses index is -1 or if {index} is absent,
the whole archive is extracted
这个可选参数是数组类型的，要解压的文件索引数组。方法get_list()可以返回详细详细信息。
默认解压全部文件。
Subfolders are created automatically.
子目录会自动创建。
### EXEMPLE :
> <?
> // Extract files with index 1 & 3 to /files
> // and the whole archive to /archive
> include("zip.lib.php");
> $zip = new Zip;
> $zip->Extract("test.zip","files",{1,3});
> $zip->Extract("test.zip","archive",{-1});
> ?>
*********************************************************
Help and support
================
You don't understand one of theses functions
or you have any question ?
Go to the forum of maxg.info :
http://forum.maxg.info
********************************************************
Created by bouchon, http://maxg.info
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