get('p_sources'); } public static function tableName() { return '{{%coin_optional}}'; } //定义场景 const SCENARIOS_CREATE = 'create'; public function rules() { return [ [['symbol','platform', 'device_code'], 'required'], ]; } public function scenarios() { $scenarios = [ self:: SCENARIOS_CREATE => ['symbol','platform', 'device_code'], ]; return array_merge( parent:: scenarios(), $scenarios); } }