503 lines
17 KiB
PHP
503 lines
17 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP
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// +----------------------------------------------------------------------
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// | Copyright (c) 2008 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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// $Id$
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/**
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+------------------------------------------------------------------------------
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* DirectoryIterator实现类 PHP5以上内置了DirectoryIterator类
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+------------------------------------------------------------------------------
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* @category ORG
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* @package ORG
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* @subpackage Io
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* @author liu21st <liu21st@gmail.com>
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* @version $Id$
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+------------------------------------------------------------------------------
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*/
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class Dir {//类定义开始
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private $_values = array();
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public $error = "";
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/**
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+----------------------------------------------------------
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* 架构函数
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @param string $path 目录路径
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+----------------------------------------------------------
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*/
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function __construct($path, $pattern = '*') {
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if (substr($path, -1) != "/")
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$path .= "/";
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$this->listFile($path, $pattern);
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}
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/**
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+----------------------------------------------------------
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* 取得目录下面的文件信息
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @param mixed $pathname 路径
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+----------------------------------------------------------
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*/
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function listFile($pathname, $pattern = '*') {
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static $_listDirs = array();
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$guid = md5($pathname . $pattern);
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if (!isset($_listDirs[$guid])) {
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$dir = array();
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$list = glob($pathname . $pattern);
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foreach ($list as $i => $file) {
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//$dir[$i]['filename'] = basename($file);
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//basename取中文名出问题.改用此方法
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//编码转换.把中文的调整一下.
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$dir[$i]['filename'] = preg_replace('/^.+[\\\\\\/]/', '', $file);
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$dir[$i]['pathname'] = realpath($file);
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$dir[$i]['owner'] = fileowner($file);
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$dir[$i]['perms'] = fileperms($file);
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$dir[$i]['inode'] = fileinode($file);
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$dir[$i]['group'] = filegroup($file);
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$dir[$i]['path'] = dirname($file);
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$dir[$i]['atime'] = fileatime($file);
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$dir[$i]['ctime'] = filectime($file);
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$dir[$i]['size'] = filesize($file);
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$dir[$i]['type'] = filetype($file);
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$dir[$i]['ext'] = is_file($file) ? strtolower(substr(strrchr(basename($file), '.'), 1)) : '';
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$dir[$i]['mtime'] = filemtime($file);
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$dir[$i]['isDir'] = is_dir($file);
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$dir[$i]['isFile'] = is_file($file);
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$dir[$i]['isLink'] = is_link($file);
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//$dir[$i]['isExecutable']= function_exists('is_executable')?is_executable($file):'';
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$dir[$i]['isReadable'] = is_readable($file);
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$dir[$i]['isWritable'] = is_writable($file);
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}
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$cmp_func = create_function('$a,$b', '
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$k = "isDir";
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if($a[$k] == $b[$k]) return 0;
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return $a[$k]>$b[$k]?-1:1;
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');
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// 对结果排序 保证目录在前面
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usort($dir, $cmp_func);
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$this->_values = $dir;
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$_listDirs[$guid] = $dir;
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} else {
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$this->_values = $_listDirs[$guid];
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}
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}
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/**
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+----------------------------------------------------------
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* 返回数组中的当前元素（单元）
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return array
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+----------------------------------------------------------
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*/
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function current($arr) {
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if (!is_array($arr)) {
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return false;
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}
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return current($arr);
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}
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/**
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+----------------------------------------------------------
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* 文件上次访问时间
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return integer
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+----------------------------------------------------------
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*/
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function getATime() {
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$current = $this->current($this->_values);
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return $current['atime'];
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}
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/**
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+----------------------------------------------------------
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* 取得文件的 inode 修改时间
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return integer
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+----------------------------------------------------------
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*/
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function getCTime() {
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$current = $this->current($this->_values);
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return $current['ctime'];
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}
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/**
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+----------------------------------------------------------
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* 遍历子目录文件信息
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return DirectoryIterator
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+----------------------------------------------------------
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*/
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function getChildren() {
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$current = $this->current($this->_values);
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if ($current['isDir']) {
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return new Dir($current['pathname']);
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}
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return false;
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}
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/**
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+----------------------------------------------------------
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* 取得文件名
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return string
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+----------------------------------------------------------
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*/
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function getFilename() {
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$current = $this->current($this->_values);
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return $current['filename'];
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}
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/**
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+----------------------------------------------------------
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* 取得文件的组
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return integer
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+----------------------------------------------------------
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*/
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function getGroup() {
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$current = $this->current($this->_values);
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return $current['group'];
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}
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/**
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+----------------------------------------------------------
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* 取得文件的 inode
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return integer
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+----------------------------------------------------------
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*/
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function getInode() {
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$current = $this->current($this->_values);
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return $current['inode'];
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}
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/**
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+----------------------------------------------------------
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* 取得文件的上次修改时间
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return integer
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+----------------------------------------------------------
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*/
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function getMTime() {
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$current = $this->current($this->_values);
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return $current['mtime'];
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}
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/**
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+----------------------------------------------------------
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* 取得文件的所有者
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return string
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+----------------------------------------------------------
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*/
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function getOwner() {
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$current = $this->current($this->_values);
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return $current['owner'];
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}
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/**
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+----------------------------------------------------------
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* 取得文件路径，不包括文件名
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return string
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+----------------------------------------------------------
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*/
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function getPath() {
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$current = $this->current($this->_values);
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return $current['path'];
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}
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/**
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+----------------------------------------------------------
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* 取得文件的完整路径，包括文件名
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return string
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+----------------------------------------------------------
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*/
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function getPathname() {
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$current = $this->current($this->_values);
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return $current['pathname'];
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}
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/**
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+----------------------------------------------------------
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* 取得文件的权限
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return integer
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+----------------------------------------------------------
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*/
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function getPerms() {
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$current = $this->current($this->_values);
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return $current['perms'];
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}
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/**
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+----------------------------------------------------------
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* 取得文件的大小
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return integer
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+----------------------------------------------------------
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*/
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function getSize() {
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$current = $this->current($this->_values);
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return $current['size'];
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}
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/**
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+----------------------------------------------------------
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* 取得文件类型
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return string
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+----------------------------------------------------------
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*/
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function getType() {
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$current = $this->current($this->_values);
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return $current['type'];
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}
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/**
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+----------------------------------------------------------
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* 是否为目录
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return boolen
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+----------------------------------------------------------
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*/
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function isDir() {
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$current = $this->current($this->_values);
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return $current['isDir'];
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}
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/**
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+----------------------------------------------------------
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* 是否为文件
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return boolen
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+----------------------------------------------------------
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*/
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function isFile() {
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$current = $this->current($this->_values);
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return $current['isFile'];
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}
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/**
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+----------------------------------------------------------
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* 文件是否为一个符号连接
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return boolen
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+----------------------------------------------------------
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*/
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function isLink() {
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$current = $this->current($this->_values);
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return $current['isLink'];
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}
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/**
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+----------------------------------------------------------
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* 文件是否可以执行
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return boolen
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+----------------------------------------------------------
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*/
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function isExecutable() {
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$current = $this->current($this->_values);
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return $current['isExecutable'];
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}
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/**
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+----------------------------------------------------------
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* 文件是否可读
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return boolen
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+----------------------------------------------------------
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*/
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function isReadable() {
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$current = $this->current($this->_values);
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return $current['isReadable'];
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}
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/**
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+----------------------------------------------------------
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* 获取foreach的遍历方式
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+----------------------------------------------------------
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* @access public
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+----------------------------------------------------------
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* @return string
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+----------------------------------------------------------
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*/
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function getIterator() {
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return new ArrayObject($this->_values);
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}
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// 返回目录的数组信息
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function toArray() {
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return $this->_values;
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}
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// 静态方法
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/**
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+----------------------------------------------------------
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* 判断目录是否为空
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+----------------------------------------------------------
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* @access static
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+----------------------------------------------------------
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* @return void
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+----------------------------------------------------------
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*/
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function isEmpty($directory) {
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$handle = opendir($directory);
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while (($file = readdir($handle)) !== false) {
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if ($file != "." && $file != "..") {
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closedir($handle);
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return false;
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}
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}
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closedir($handle);
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return true;
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}
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/**
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+----------------------------------------------------------
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* 取得目录中的结构信息
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+----------------------------------------------------------
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* @access static
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+----------------------------------------------------------
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* @return void
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+----------------------------------------------------------
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*/
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function getList($directory) {
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return scandir($directory);
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}
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/**
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+----------------------------------------------------------
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* 删除目录（包括下面的文件）
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+----------------------------------------------------------
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* @access static
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+----------------------------------------------------------
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* @return void
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+----------------------------------------------------------
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*/
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function delDir($directory, $subdir = true) {
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if (is_dir($directory) == false) {
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$this->error = "该目录是不存在！";
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return false;
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}
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$handle = opendir($directory);
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while (($file = readdir($handle)) !== false) {
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if ($file != "." && $file != "..") {
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is_dir("$directory/$file") ?
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Dir::delDir("$directory/$file") :
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unlink("$directory/$file");
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}
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}
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if (readdir($handle) == false) {
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closedir($handle);
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rmdir($directory);
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}
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}
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/**
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+----------------------------------------------------------
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* 删除目录下面的所有文件，但不删除目录
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+----------------------------------------------------------
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* @access static
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+----------------------------------------------------------
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* @return void
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+----------------------------------------------------------
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*/
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function del($directory) {
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if (is_dir($directory) == false) {
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$this->error = "该目录是不存在！";
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return false;
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}
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$handle = opendir($directory);
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while (($file = readdir($handle)) !== false) {
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if ($file != "." && $file != ".." && is_file("$directory/$file")) {
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unlink("$directory/$file");
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}
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}
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closedir($handle);
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}
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/**
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+----------------------------------------------------------
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* 复制目录
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+----------------------------------------------------------
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* @access static
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+----------------------------------------------------------
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* @return void
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+----------------------------------------------------------
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*/
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function copyDir($source, $destination) {
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if (is_dir($source) == false) {
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$this->error = "源目录不存在！";
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return false;
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}
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if (is_dir($destination) == false) {
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mkdir($destination, 0700);
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}
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$handle = opendir($source);
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while (false !== ($file = readdir($handle))) {
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if ($file != "." && $file != "..") {
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is_dir("$source/$file") ?
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Dir::copyDir("$source/$file", "$destination/$file") :
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copy("$source/$file", "$destination/$file");
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}
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}
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closedir($handle);
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}
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}
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