标签:封装 name storage FastDFS filename return file group PHP
fastdfs_get_last_error_no(), 'info' => fastdfs_get_last_error_info(), 'act' => $act) private static $instance = null; private function __construct(){ return true; } public function __destruct(){ fastdfs_tracker_close_all_connections(); } public static function getInstance( $group_name = '' ){ if (self::$instance == null){ self::$instance = new FDFS(); if( !self::$instance->_loadTracker() ){ return false; } } return self::$instance; } private function _loadTracker(){ $this->_tracker = fastdfs_tracker_get_connection(); if( !$this->_tracker ){ return false; } if( !fastdfs_active_test($this->_tracker) ){ $this->_setLastError('fastdfs_active_test(_tracker)'); return false; } return true; } private function _setLastError( $act = '' ){ $this->_error = array('no' => fastdfs_get_last_error_no(), 'info' => fastdfs_get_last_error_info(), 'act' => $act); } /** * 连接storage * @param string $group_name * @return boolean */ public function storageConnection($group_name = ''){ if( !isset($this->_storage_arr[$group_name]) ){ $this->_storage_arr[$group_name] = fastdfs_tracker_query_storage_store($group_name, $this->_tracker); if( !$this->_storage_arr[$group_name] ){ return false; } $server = fastdfs_connect_server($this->_storage_arr[$group_name]['ip_addr'], $this->_storage_arr[$group_name]['port']); if( !$server ){ $this->_setLastError('fastdfs_connect_server(_storage)'); return false; } if( !fastdfs_active_test($server) ){ $this->_setLastError('fastdfs_active_test(server)'); return false; } $this->_storage_arr[$group_name]['sock'] = $server['sock']; unset($server); } if( !isset($this->_storage_arr[$group_name]) ){ $this->_group_name = null; $this->_storage = null; return false; }else{ $this->_group_name = $group_name; $this->_storage = &$this->_storage_arr[$group_name]; } return true; } /** * 上传文件 * @param string $local_filename 本地文件路径 * @param boolean $file_ext_name 文件后缀名 * @param boolean $is_file_buff 是否是字符内容 * @return boolean|array array('group_name' => '', 'filename' => '') */ public function upload( $local_filename, $file_ext_name = null, $is_file_buff = false ){ if($is_file_buff){ $act = 'fastdfs_storage_upload_by_filebuff'; }else{ $act = 'fastdfs_storage_upload_by_filename'; } $file_info = $act($local_filename, $file_ext_name, array(), null, $this->_tracker, $this->_storage); if( !$file_info ){ $this->_setLastError($act.'('.$local_filename.')'); return false; } return $file_info; } /** * 上传从文件 * @param string $local_filename 本地文件路径 * @param string $master_filename storage里的主文件路径 * @param string $prefix_name 后缀 * @param boolean $file_ext_name 文件后缀名 * @param boolean $is_file_buff 是否是字符内容 * @return boolean|array array('group_name' => '', 'filename' => '') */ public function uploadSlave( $local_filename, $master_filename, $prefix_name, $file_ext_name = null, $is_file_buff = false ){ if($is_file_buff){ $act = 'fastdfs_storage_upload_slave_by_filebuff'; }else{ $act = 'fastdfs_storage_upload_slave_by_filename'; } $file_info = $act($local_filename, $this->_group_name, $master_filename, $prefix_name, $file_ext_name, array(), $this->_tracker, $this->_storage); if( !$file_info ){ $this->_setLastError($act.'('.$local_filename.','.$master_filename.','.$prefix_name.')'); return false; } return $file_info; } /** * 删除文件 * @param string $group_name * @param string $filename */ public function delete($group_name, $filename){ return fastdfs_storage_delete_file($group_name, $filename); } /** * 下载文件 * @param string $group_name * @param string $filename */ public function down($group_name, $filename){ $file_content = fastdfs_storage_download_file_to_buff($group_name, $filename); return $file_content; } public function exist($group_name, $filename){ return fastdfs_storage_file_exist($group_name, $filename); } /** * 获取最后的错误信息 */ public function lastError(){ if( !$this->_error ){ $this->__setLastError(); } return $this->_error; } } ?>
标签:封装,name,storage,FastDFS,filename,return,file,group,PHP 来源: https://www.cnblogs.com/yipianchuyun/p/15473541.html
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