yii數(shù)據(jù)庫查詢
Yii框架基礎篇->第五章 數(shù)據(jù)模型-> 5-3單表查詢 視頻 10:53秒處。
這里
$results=test::find()->where(['id'=>1])->all();
并沒有設置查詢哪張數(shù)據(jù)表,但是還是查詢出了test數(shù)據(jù)表中的相應字段
附查詢結果:
Array???? (???? [0]?=>?app\models\test?Object???? (???? [_attributes:yii\db\BaseActiveRecord:private]?=>?Array???? (???? [id]?=>?1???? [title]?=>?title1???? )???? [_oldAttributes:yii\db\BaseActiveRecord:private]?=>?Array???? (???? [id]?=>?1???? [title]?=>?title1???? )???? [_related:yii\db\BaseActiveRecord:private]?=>?Array???? (???? )???? [_errors:yii\base\Model:private]?=>???? [_validators:yii\base\Model:private]?=>???? [_scenario:yii\base\Model:private]?=>?default???? [_events:yii\base\Component:private]?=>?Array???? (???? )???? [_behaviors:yii\base\Component:private]?=>?Array???? (???? )???? )???? )
2017-06-02
test是一個對象,一個數(shù)據(jù)模型
2017-06-02
'test::' ? 已經(jīng)表明并設定了是查詢`test`表了.