Crypt.class.php
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace Think;
/**
* 加密解密类
*/
class Crypt
{
private static $handler = '';
public static function init($type = '')
{
$type = $type ? : C('DATA_CRYPT_TYPE');
$class = strpos($type, '\\') ? $type : 'Think\\Crypt\\Driver\\' . ucwords(strtolower($type));
self::$handler = $class;
}
/**
* 加密字符串
*
* @param string $str
* 字符串
* @param string $key
* 加密key
* @param integer $expire
* 有效期（秒） 0 为永久有效
* @return string
*/
public static function encrypt($data, $key, $expire = 0)
{
if (empty(self::$handler)) {
self::init();
}
$class = self::$handler;
return $class::encrypt($data, $key, $expire);
}
/**
* 解密字符串
*
* @param string $str
* 字符串
* @param string $key
* 加密key
* @return string
*/
public static function decrypt($data, $key)
{
if (empty(self::$handler)) {
self::init();
}
$class = self::$handler;
return $class::decrypt($data, $key);
}
}