1、Cookie
Yii2的Cookie主要是通过yii/web/Request和yii/web/Response进行操作的 ，通过/Yii::$app->response->getCookies()->add()添加Cookie，通过/Yii::$app->request->cookies读取Cookie.
1）添加一个Cookie
name = 'smister';//cookie的名称
$cookie -> expire = time() + 3600; //存活的时间
$cookie -> httpOnly = true; //无法通过js读取cookie
$cookie -> value = 'cookieValue'; //cookie的值
/Yii::$app->response->getCookies()->add($cookie);
//第二种方法
$cookie = new /yii/web/Cookie([
‘name' => ‘smister',
‘expire' => time() + 3600,
‘httpOnly ' => true,
‘value' => ‘cookieValue'
]);
/Yii::$app->response->getCookies()->add($cookie);
?>
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