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php ZipArchive压缩函数使用详解及示例代码

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 2014-12-18 02:15:07 转载来源: 网络整理/侵权必删

本文为大家讲解的是php ZipArchive压缩函数使用详解,感兴趣的同学参考下. 在php中生成zip文件我们只要使用一个php zip压缩ZipArchive函数就可以了，下面小编来给大家总结两个实现一个是利用ZipArchive生成zip，另一个压缩文件夹下所有文件 用ZipArchive压缩文件，这个是php的扩展类，自php5.2版本以后就已经支持这个扩展，如果你在使用的时候出现错误，查看下php.ini里面的extension=php_zip.dll前面的分号有没有去掉，然后再重启Apache这样才能使用这个类库。 例1、生成zip 压缩文件 <?php /* 生成zip 压缩文件 */ function create_zip($files = array(),$destination = '',$overwrite = false) {     //if the zip file already exists and overwrite is false, return false &n

本文为大家讲解的是php ZipArchive压缩函数使用详解,感兴趣的同学参考下.

在php中生成zip文件我们只要使用一个php zip压缩ZipArchive函数就可以了，下面小编来给大家总结两个实现一个是利用ZipArchive生成zip，另一个压缩文件夹下所有文件

用ZipArchive压缩文件，这个是php的扩展类，自php5.2版本以后就已经支持这个扩展，如果你在使用的时候出现错误，查看下php.ini里面的extension=php_zip.dll前面的分号有没有去掉，然后再重启Apache这样才能使用这个类库。
例1、生成zip 压缩文件


<?php
/* 生成zip 压缩文件 */
function create_zip($files = array(),$destination = '',$overwrite = false) {
    //if the zip file already exists and overwrite is false, return false
    if(file_exists($destination) && !$overwrite) { return false; }
    //vars
    $valid_files = array();
    //if files were passed in...
    if(is_array($files)) {
        //cycle through each file
        foreach($files as $file) {
            //make sure the file exists
            if(file_exists($file)) {
                $valid_files[] = $file;
            }
        }
    }
    //if we have good files...
    if(count($valid_files)) {
        //create the archive
        $zip = new ZipArchive();
        if($zip->open($destination,$overwrite ? ZIPARCHIVE::OVERWRITE : ZIPARCHIVE::CREATE) !== true) {
            return false;
        }
        //add the files
        foreach($valid_files as $file) {
            $file_info_arr= pathinfo($file);
            $zip->addFile($file,$file_info_arr['basename']);//去掉层级目录
        }
        //debug
        //echo 'The zip archive contains ',$zip->numFiles,' files with a status of ',$zip->status;

        //close the zip -- done!
        $zip->close();

        //check to make sure the file exists
        return file_exists($destination);
    }
    else
    {
        return false;
    }
}

define('ROOTPATH',dirname ( __FILE__ )); //网站路径

$files_to_zip = array(
    ROOTPATH.DIRECTORY_SEPARATOR.'PHP+jQuery+Cookbook.pdf',
    ROOTPATH.DIRECTORY_SEPARATOR.'TurboListerZeroTemplate.csv'
);
//if true, good; if false, zip creation failed
$filename='my-archive.zip';
$result = create_zip($files_to_zip,$filename);
 


例2 、压缩文件夹下面的所有文


<?php
/*
php zip压缩文件夹下面的所有文件
*/
class HZip
{
  /**
   * 添加文件和子目录的文件到zip文件
   * @param string $folder
   * @param ZipArchive $zipFile
   * @param int $exclusiveLength Number of text to be exclusived from the file path.
   */
  private static function folderToZip($folder, &$zipFile, $exclusiveLength) {
    $handle = opendir($folder);
    while (false !== $f = readdir($handle)) {
      if ($f != '.' && $f != '..') {
        $filePath = "$folder/$f";
        // Remove prefix from file path before add to zip.
        $localPath = substr($filePath, $exclusiveLength);
        if (is_file($filePath)) {
          $zipFile->addFile($filePath, $localPath);
        } elseif (is_dir($filePath)) {
          // 添加子文件夹
          $zipFile->addEmptyDir($localPath);
          self::folderToZip($filePath, $zipFile, $exclusiveLength);
        }
      }
    }
    closedir($handle);
  }

  /**
   * Zip a folder (include itself).
   * Usage:
   *   HZip::zipDir('/path/to/sourceDir', '/path/to/out.zip');
   *
   * @param string $sourcePath Path of directory to be zip.
   * @param string $outZipPath Path of output zip file.
   */
  public static function zipDir($sourcePath, $outZipPath)
  {
    $pathInfo = pathInfo($sourcePath);
    $parentPath = $pathInfo['dirname'];
    $dirName = $pathInfo['basename'];
    $sourcePath=$parentPath.'/'.$dirName;//防止传递'folder' 文件夹产生bug
    $z = new ZipArchive();
    $z->open($outZipPath, ZIPARCHIVE::CREATE);//建立zip文件
    $z->addEmptyDir($dirName);//建立文件夹
    self::folderToZip($sourcePath, $z, strlen("$parentPath/"));
    $z->close();
  }
}

//使用方法
HZip::zipDir('yourlife', 'yourlife.zip');
?>
 

1.ZipArchive::addEmptyDir
添加一个新的文件目录
2.ZipArchive::addFile
将文件添加到指定zip压缩包中。
3.ZipArchive::addFromString
添加的文件同时将内容添加进去
4.ZipArchive::close
关闭ziparchive
5.ZipArchive::extractTo
将压缩包解压
6.ZipArchive::open
打开一个zip压缩包
7.ZipArchive::getStatusString
返回压缩时的状态内容，包括错误信息，压缩信息等等
8.ZipArchive::deleteIndex
删除压缩包中的某一个文件，如：deleteIndex(0)删除第一个文件
9.ZipArchive::deleteName
删除压缩包中的某一个文件名称，同时也将文件删除。


标签: php ZipArchive 压缩 函数 使用 详解 示例 代码


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