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Yii2怎么执行原生sql语句查询

Yii2怎么执行原生sql语句 执行: Yii::$app->getDb()->createCommand("Your SQL")->execute(); 查询: Yii::$app->getDb()->createCommand("Your SQL")->queryAll(); 其他: Yii::$app->getDb()->createCommand("Your SQL")->xxx

执行: Yii::$app->getDb()->createCommand("Your SQL")->execute(); 查询: Yii::$app->getDb()->createCommand("Your SQL")->queryAll(); 其他: Yii::$app->getDb()->createCommand("Your SQL")->xxx!

执行: Yii::$app->getDb()->createCommand("Your SQL")->execute(); 查询: Yii::$app->getDb()->createCommand("Your SQL")->queryAll(); 其他: Yii::$app->getDb()->createCommand("Your SQL")->xxx

先创建连接对象 $connection = new \yii\db\Connection([ 'dsn' => $dsn, 'username' => $username, 'password' => $password, ]); $connection->open(); 查询返回多行: $command = $connection->createCommand('SELECT * FROM post'); $posts ...

yii2 gridview 使用原生sql 语句联表视图怎么显示数据 1,使用sqldatasources控件来关联gridview,只需设置一下属性,没上面代码就可以实现显示数据。 2,查询语句查询返回一个数据集,然后赋值给gridview的datasource属性,绑定即可。 剩余的就...

$connection = Yii::app()->db; //连接 //查找 $sql = “SELECT * FROM `tbl_user` ORDER BY id DESC”; $command = $connection->createCommand($sql); $result = $command->queryAll(); print_r($result); //添加 $sql = ” INSERT INTO `tbl_use...

执行: Yii::$app->getDb()->createCommand("Your SQL")->execute(); 查询: Yii::$app->getDb()->createCommand("Your SQL")->queryAll(); 其他: Yii::$app->getDb()->createCommand("Your SQL")->xxx

Yii2怎么执行原生sql语句 执行: Yii::$app->getDb()->createCommand("Your SQL")->execute(); 查询: Yii::$app->getDb()->createCommand("Your SQL")->queryAll(); 其他: Yii::$app->getDb()->createCommand("Your SQL")->xxx

直接上代码,有问题的可以追问$sql = "SELECT * FROM users";$all = Yii::$app->db->createCommand($sql)->queryAll();$all 为查询的结果集

执行: Yii::$app->getDb()->createCommand("Your SQL")->execute(); 查询: Yii::$app->getDb()->createCommand("Your SQL")->queryAll(); 其他: Yii::$app->getDb()->createCommand("Your SQL")->xxx

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