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pclzip php压缩类

作者:　发布时间:2005-08-04 >>　 -收藏本页-

　　很好用的一个phpzip类，能够进行压缩的所有处理。详细说明请看代码。

　　PclZip is a library that creates and manage ZIP formatted archives.
　　The library defines a class (PclZip). An object of that class represent a single ZIP archive. The methods documented in this manual manage the archive.
　　Please notice that only the public methods are documented and will be maintained from one version to an other (or the modifications will be advertised in the release notes). The private internal methods can be modified without any warning from one version to an other, they must not be directly used.
　　PclZip is made by a single file pclzip.lib.php, which is enough to have the full features of PclZip.

　　http://www.phpconcept.net/pclzip/

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·相关代码：

<?php
/*
PclZip::PclZip($zipname)
PclZip::create($filelist, [options list])
	PclZip::create($filelist, $add_dir, $remove_dir) 
PclZip::extract()
	PclZip::extract([options list])
	PclZip::extract($path, $remove_path) 
PclZip::listContent()
PclZip::properties()
PclZip::add($filelist, [options list])
PclZip::add($filelist, $add_dir, $remove_dir) 
	PclZip::extractByIndex($index, [options list])
	PclZip::extractByIndex($index, $path, $remove_dir) 
PclZip::deleteByIndex($index)
PclZip::merge($archive_filename)
PclZip::duplicate($archive_filename)
参数说明
PCLZIP_OPT_PATH
	This argument indicates the path of the folder where the archived files will be extracted.The value is a single string.
PCLZIP_OPT_ADD_PATH
	This argument gives the ability to insert a path while files are extracted or archived. This will allow to archive the file 'file.txt' with the path 'backup/file.txt', or extract the file 'data/file.txt' with path 'folder/data/file.txt'.The value is a single file path string.
PCLZIP_OPT_REMOVE_PATH
	This arguments gives the ability to suppress a part or all the path of the files (or directories) when they are extracted or archived. This will allow to archive file '/usr/local/user/test/file.txt' like a file with name 'test/file.txt', or to extract file stored with name 'folder/data/file.txt' as file 'data/file.txt' on the filesystem.The value is a single directory path string.
PCLZIP_OPT_REMOVE_ALL_PATH
	This argument gives the ability to suppress all the path of the file when extracting it or adding it in the archive.With this argument it is not necessary to gives any path, and will sometimes simplify the use of PCLZIP_OPT_REMOVE_PATH. However this arguments must be carefully used, because if the tree arborescence is very deep, you must ensure that they will be no duplicate names (when the path is removed), specifically for the file extract.PCLZIP_OPT_REMOVE_ALL_PATH arguments does not need any value.
PCLZIP_OPT_SET_CHMOD
	This argument gives the ability to modify the file access rights just after the extraction. On *NIX systems, the file access management and the file owner (system attribute) does not allow to access all the files from anywhere. In particular, the user which owns the PHP process will give its credentials to the extracted files, and sometimes will forbid the access to the file to other users. The goal of this arguments is to try to change a little this constraint, by changing the access write, knowing that it can not change the file owner.The value is a single octal value (for example 0777).
PCLZIP_OPT_BY_NAME
	This argument allow the extraction of files/folders from the archive by indicating the full filenames of these files.
PCLZIP_OPT_BY_EREG
	This argument allow the extraction of files / folder from the archive, by filtering the filenames with a regular expression.PclZip is using ereg() PHP function to perform this filtering.
PCLZIP_OPT_BY_PREG
	This argument allow the extraction of files / folder from the archive, by filtering the filenames with a regular expression.PclZip is using preg() PHP function to perform this filtering.
PCLZIP_OPT_INDEX
	This argument allow the extraction of files/folders from the archive by indicating the indexes of the concerned files/folders in the archive.
PCLZIP_OPT_EXTRACT_AS_STRING
	This argument gives you the ability to extract the content of a file in a string rather than in a file.It can be used when you just want to get the content of a file without using the filesystem.
PCLZIP_OPT_EXTRACT_IN_OUTPUT
	This argument gives you the ability to extract the content of a file directly in the standard output (like the echo command).
PCLZIP_OPT_NO_COMPRESSION
	This argument gives you the ability to add a file in an archive without compressing the file.
PCLZIP_OPT_COMMENT
	This argument gives the ability to set a comment in the PKZIP archive. If a comment already exists, this comment will replace the existing one.
PCLZIP_OPT_ADD_COMMENT
	This argument gives the ability to add a comment in the PKZIP archive. If a comment already exists, the added comment is append at the end of the existing comment.
PCLZIP_OPT_PREPEND_COMMENT
	This argument gives the ability to add a comment in the PKZIP archive. If a comment already exists, the added comment is prepend before the existing comment.
========================================
PCLZIP_CB_PRE_EXTRACT
	This optional arguments gives you the ability to add a specific processing while extrating an archive by calling a "call-back" function before the extraction of each archived file. The call-back function PCLZIP_CB_PRE_EXTRACT can modify the extraction of the concerned file in two ways :
PCLZIP_CB_POST_EXTRACT
	This optional arguments gives you the ability to add a specific processing while extrating an archive by calling a "call-back" function after the extraction of each archived file. The call-back function PCLZIP_CB_POST_EXTRACT can not modify the extraction process, but allow to perform user defined actions on the extracted file, like renaming or removing.
PCLZIP_CB_PRE_ADD
	This call back feature is called just before the add of each file in the archive. By using this call back you can :
	- modify the filename and path that will be stored in the archive (rather than keeping the real name and path),
	- skip the add of one (or several) selected file(s) during the archive process.
PCLZIP_CB_POST_ADD
	This call back feature is called just after the add of each file in the archive. This call-back can not change the adding of the file, but can be usefullfor removing files or doing advanced work after the add.
*/

include('pclzip.lib.php');
  $archive = new PclZip('gk.zip');
  //echo $archive->create('41/');
  $v_list = $archive->create('41/');
  if ($v_list === 0) {
    die("Error : ".$archive->errorInfo(true));
  }

if ($archive->extract(PCLZIP_OPT_ADD_PATH, "88", PCLZIP_OPT_REMOVE_PATH, "41") === 0) {
    die("Error-- : ".$archive->errorInfo(true));
  }

/*if ($archive->extract(PCLZIP_OPT_PATH, 'data',
                        PCLZIP_OPT_REMOVE_PATH, 'install/release') == 0) {
    die("Error : ".$archive->errorInfo(true));
  }*/
  
  if (($list = $archive->listContent()) == 0) {
    die("Error : ".$archive->errorInfo(true));
  }
  for ($i=0; $i<sizeof($list); $i++) {
    for(reset($list[$i]); $key = key($list[$i]); next($list[$i])) {
      echo "File $i / [$key] = ".$list[$i][$key]."<br>";
    }
    echo "<br>";
  }
?>

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