public function actionDelete()
{
// 删除已有客户记录
$world = World::findOne("1");
$world->delete();
// 删除多个年龄大于20，性别为男（Male）的客户记录
//World::deleteAll('age > :age AND gender = :gender', [':age' => 20, ':gender' => 'M']);
}
public function actionIndex()
{
World::updateAll(array('name' => 'Hello World!'));
for ($i = 0; $i < 2; $i++) {
$rnd = mt_rand(1, 10000);
$result = World::findOne($rnd);
}
$result = World::findOne($result->id);
return $result->name;
}
/**
* Finds the World model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return World the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = World::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}