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124 lines
3.4 KiB
PHP

<?php
// +----------------------------------------------------------------------
// | TOPThink [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2013 http://topthink.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace Think\Storage\Driver;
use Think\Storage;
// 本地文件写入存储类
class File extends Storage{
private $contents=array();
/**
* 架构函数
* @access public
*/
public function __construct() {
}
/**
* 文件内容读取
* @access public
* @param string $filename 文件名
* @return string
*/
public function read($filename,$type=''){
return $this->get($filename,'content',$type);
}
/**
* 文件写入
* @access public
* @param string $filename 文件名
* @param string $content 文件内容
* @return boolean
*/
public function put($filename,$content,$type=''){
$dir = dirname($filename);
if(!is_dir($dir)){
mkdir($dir,0777,true);
}
if(false === file_put_contents($filename,$content)){
E(L('_STORAGE_WRITE_ERROR_').':'.$filename);
}else{
$this->contents[$filename]=$content;
return true;
}
}
/**
* 文件追加写入
* @access public
* @param string $filename 文件名
* @param string $content 追加的文件内容
* @return boolean
*/
public function append($filename,$content,$type=''){
if(is_file($filename)){
$content = $this->read($filename,$type).$content;
}
return $this->put($filename,$content,$type);
}
/**
* 加载文件
* @access public
* @param string $filename 文件名
* @param array $vars 传入变量
* @return void
*/
public function load($_filename,$vars=null){
if(!is_null($vars)){
extract($vars, EXTR_OVERWRITE);
}
include $_filename;
}
/**
* 文件是否存在
* @access public
* @param string $filename 文件名
* @return boolean
*/
public function has($filename,$type=''){
return is_file($filename);
}
/**
* 文件删除
* @access public
* @param string $filename 文件名
* @return boolean
*/
public function unlink($filename,$type=''){
unset($this->contents[$filename]);
return is_file($filename) ? unlink($filename) : false;
}
/**
* 读取文件信息
* @access public
* @param string $filename 文件名
* @param string $name 信息名 mtime或者content
* @return boolean
*/
public function get($filename,$name,$type=''){
if(!isset($this->contents[$filename])){
if(!is_file($filename)) return false;
$this->contents[$filename]=file_get_contents($filename);
}
$content=$this->contents[$filename];
$info = array(
'mtime' => filemtime($filename),
'content' => $content
);
return $info[$name];
}
}