Yii2中cookie用法示例分析

<?php//设置方法$cookie = new Cookie([  'name' => 'cookie_monster',  'value' => 'Me want cookie!',  'expire' => time() + 86400 * 365,]);/Yii::$app->getResponse()->getCookies()->add($cookie);//读取方法$value = /Yii::$app->getRequest()->getCookies()->getValue('my_cookie');//给cookie加域名$cookie = new Cookie([  'name' => 'cookie_monster',  'value' => 'Me want cookie everywhere!',  'expire' => time() + 86400 * 365,  'domain' => '.example.com' // <<<=== HERE]);/Yii::$app->getResponse()->getCookies()->add($cookie);//设置登录cookie$config = [  // ...  'components' => [    // ...    'user' => [      'class' => 'yii/web/User',      'identityClass' => 'app/models/User',      'enableAutoLogin' => true,      'loginUrl' => '/user/login',      'identityCookie' => [ // <---- here!        'name' => '_identity',        'httpOnly' => true,        'domain' => '.example.com',      ],    ],    'request' => [      'cookieValidationKey' => 'your_validation_key'    ],    'session' => [      'cookieParams' => [        'domain' => '.example.com',        'httpOnly' => true,      ],    ],  ],];//只给批定目录配置cookie$config = [  // ...  'components' => [    // ...    'session' => [      'name' => 'admin_session',      'cookieParams' => [        'httpOnly' => true,        'path' => '/admin',      ],    ],  ],];?>