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PHP 解压 ZIP 文件到指定文件夹

Jun 23, 2016 pm 01:34 PM

本类实现参考 php manual 评论

/** *  function: 解压zip 格式的文件 *  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 code here...  	   header("content-type:text/html;charset=utf8");   }   /**	* 解压文件到指定目录	*	* @param   string   zip压缩文件的路径	* @param   string   解压文件的目的路径	* @param   boolean  是否以压缩文件的名字创建目标文件夹	* @param   boolean  是否重写已经存在的文件	*	* @return  boolean  返回成功 或失败	*/   public function unzip($src_file, $dest_dir=false, $create_zip_name_dir=true, $overwrite=true){    if ($zip = zip_open($src_file)){        if ($zip){            $splitter = ($create_zip_name_dir === true) ? "." : "/";		    if($dest_dir === false){		        $dest_dir = substr($src_file, 0, strrpos($src_file, $splitter))."/";	        }            // 如果不存在 创建目标解压目录            $this->create_dirs($dest_dir);             // 对每个文件进行解压             while ($zip_entry = zip_read($zip)){					// 文件不在根目录					$pos_last_slash = strrpos(zip_entry_name($zip_entry), "/");					if ($pos_last_slash !== false){						// 创建目录 在末尾带 /						$this->create_dirs($dest_dir.substr(zip_entry_name($zip_entry), 0, $pos_last_slash+1));					}                    // 打开包                    if (zip_entry_open($zip,$zip_entry,"r")){                        // 文件名保存在磁盘上                        $file_name = $dest_dir.zip_entry_name($zip_entry);                        // 检查文件是否需要重写                        if ($overwrite === true || $overwrite === false && !is_file($file_name)){                            // 读取压缩文件的内容                            $fstream = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry));                            @file_put_contents($file_name, $fstream);                            // 设置权限                            chmod($file_name, 0777);                            echo "save: ".$file_name."<br>";                        }                        // 关闭入口                        zip_entry_close($zip_entry);                    }                }                // 关闭压缩包                zip_close($zip);            }        }else{            return false;        }        return true;    }	/**	* 创建目录	*/	public function create_dirs($path){	  if (!is_dir($path)){		  $directory_path = "";		  $directories = explode("/",$path);		  array_pop($directories);		  foreach($directories as $directory){			  $directory_path .= $directory."/";			  if (!is_dir($directory_path)){				  mkdir($directory_path);				  chmod($directory_path, 0777);			  }		  }	  }	}}/* using: $z = new Unzip(); $z->unzip("./bootstrap-3.3.4.zip",'./unzipres/', true, false);*/
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