<?php
namespace app\common\helpers;
use Yii;
/*  
 * Session.php  
 * Session 操作
 * 更新: Jacky.Chen 2019/06/20 15:45  
 *  
 */
class Session
{
	static function getInitCls()
	{
		static $initCls = NULL;
		if(!isset($initCls)) $initCls = new Session();
		return $initCls;
	}

	//设置
	public static function set($name,$value)
	{

        $session = Yii::$app->session;
        if ($session->isActive)$session->open();
        if(strpos($name,'.')!==false)
        {
            self::setArray($name,$value);
        }
        else{
            $session->set($name, $value);
        }
		return true;
	}
	//读取
	public static function get($name)
	{
        $session = Yii::$app->session;
        if ($session->isActive)$session->open();
        if(strpos($name,'.')!==false)
        {
            return self::getArray($name);
        }
        else
        {
            return $session->get($name);
        }

	}
    //设置数组中的值,用法  setArray('user.name','jack')
    public static function setArray($name,$value)
    {

        $session = Yii::$app->session;
        if ($session->isActive)$session->open();
        $names = explode('.',$name);
        $rs = $session->get($names[0]);
        $rs[$names[1]] = $value;
        self::set($names[0],$rs);
        return true;

    }
    //读取
    public static function getArray($name)
    {
        $session = Yii::$app->session;
        if ($session->isActive)$session->open();
        $names = explode('.',$name);
        return $session[$names[0]][$names[1]];
    }
	//删除
	public static function remove($name)
	{
        $session = Yii::$app->session;
        if ($session->isActive)$session->open();
        $session->remove($name);
        return true;
	}
    //销毁
    public static function destory()
    {
        $session = Yii::$app->session;
        if ($session->isActive)$session->open();
        $session->destroy();
        return true;
    }


}