php如何实现递归遍历文件目录？

男娘i 2022-06-16 03:18 219阅读 0赞

/**
     * 文件列表类
     */
    class dirListClass{
        
        /**
         * 获取文件目录
         * @param $dir 目录
         */
        public function getList($dir){
        
            $list = $this->scandir_list($dir);
            $this->lists($list);
        }
    
        /**
         * 获取有深度的目录数组
         * @param $dir
         * @return array|string
         */
        private function scandir_list($dir){
        
            $files = '';
            if ($opendir = opendir($dir)) {
    
                while (($file = readdir($opendir)) !== false) {
                    if ($file != '..' && $file != '.') {
                        if (is_dir($dir . '/' . $file)) {
                            $files[$file] = $this->scandir_list($dir . '/' . $file);
                            $files['length'] = substr_count($dir . '/' . $file, '/');
                        } else {
                            $files[] = $file;
                            $files['length'] = substr_count($dir . '/' . $file, '/') - 1;
                        }
    
                    }
                }
    
                closedir($opendir);
                return $files;
            }
        }
    
        /**
         * 输出目录列表
         * @param $list
         */
        private function lists($list)
        {
        
            if (!empty($list)) {
       //print_r($list);
                $length = 0;
                foreach ($list as $key => $value) {
                    if ($key == 'length') {
                        $length = $value;
                        continue;
                    }
    
                    if (isset($value['length'])) {
                        $length = $value['length'];
                        unset($value['length']);
                    }
    
                    if (gettype($key) == 'string') {
                        for ($i = 0; $i < $length - 1; $i++) {
                            echo '----';
                        }
                        echo $key . "<br>";
                        $this->lists($list[$key]);
                    } else {
                        for ($i = 0; $i < $length; $i++) {
                            echo '----';
                        }
                        echo $value . "<br>";
                    }
    
                }
            }
        }
    }