[PHP] Yii框架 session 数据库存储操作方法示例

[
  'components' => [
  'db'   => [
    'class'   => 'yii\db\Connection',
    'dsn'    => 'mysql:host=localhost;dbname=yii',
    'username'   => 'root',
    'password'   => 'xxxxxx',
    'charset'  => 'utf8'
  ],
  'session' => [
    'class' => 'yii\web\DbSession', //session 操作对象
    'db'  => 'db',   //指定数据库操作组件是上面的组件db
    'sessionTable' => 'yii_session' //session 数据库表名称
  ]
  ]
]

CREATE TABLE yii_session
(
  id CHAR(40) NOT NULL PRIMARY KEY,
  expire INTEGER,
  data BLOB
)

namespace app\controllers\home;
use Yii;
use yii\web\Controller;
class IndexController
{
  public function actionIndex()
  {
  $session = Yii::$app->session;
  if(isset($session['name']) && isset($session['tel']))
  {
    var_dump($session);
  }else{
    $session['name'] = '谭勇';
    $session['tel'] = 22;
    echo 'set session';
  }
  }
}