0
你好,我如何返回一个原始查询到yii 2中的数组?我一直在这个代码,我认为它应该返回多行,但是当我尝试在一个视图中的foreach它,它说的是对的foreach()返回原始查询作为数组yii 2
这里提供了无效的说法是错误页面:
这里是我的
型号
public function Showprerequisites($trno){
// $connection = Yii::$app->GetDb();
return Yii::$app->db->CreateCommand('
SELECT * FROM
(
SELECT pre1 AS col FROM ccsubject WHERE trno = 29005 AND pre1 IS NOT NULL
UNION
SELECT pre2 AS col FROM ccsubject WHERE trno = 29005 AND pre2 IS NOT NULL
UNION
SELECT pre3 AS col FROM ccsubject WHERE trno = 29005 AND pre3 IS NOT NULL
UNION
SELECT pre4 As col FROM ccsubject WHERE trno = 29005 AND pre4 IS NOT NULL
UNION
SELECT pre5 AS col FROM ccsubject WHERE trno = 29005 AND pre5 IS NOT NULL
) T1
')->execute();
}
查看工作代码
$preq = TestController::Showprerequisites(29005);
foreach($preq as $values){
echo $values['col'];
}