cakephp file components

1.components文件file_helper.php

<?php
class FileHelperComponent extends Object {
	
	
	//called before Controller::beforeFilter()
	function initialize(&$controller, $settings = array()) {
		// saving the controller reference for later use
		$this->controller =& $controller;
	}
	
	/**
	 * create file
	 */
	function createFile($filename,$content = null){
		$ourFileName = $filename;
		$ourFileHandle = fopen($ourFileName, 'w') or die("can't open file");
		fwrite($ourFileHandle, $content);
		fclose($ourFileHandle);
	}
	
        /**
         * delete file
         */
        function delFile($filename){
                if (file_exists($filename) && is_file($filename)) {
                    unlink($filename);
                }
        }
	
	/**
	 * file content
	 */
	function getContent($filename){
		$content = file_get_contents($filename);
		return $content;
	}
	
	/**
	 * base name
	 */
	function getBaseName($filename){
		$name = basename($filename);
		return $name;
	}


	//called after Controller::render()
	function shutdown(&$controller) {
		
	}

}
?>

2.使用
  

 
    //引入
    public $components = array('FileHelper');
    
    //获得内容
    $this->FileHelper->getContent($filename);


    //获得基本文件名
    $this->FileHelper->getBaseName($filename);

    //创建文件
    $this->FileHelper->createFile($filename,$content = null);

     //删除文件
    $this->FileHelper->delFile($filename);