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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

Database Exception – yii\db\Exception PDOStatement::fetchAll() expects parameter 1 to be long, string given The SQL being executed was: select * from hd_article where aid

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 ...

$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...

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

1.修改main.php,加入如下代码: 'log'=>array( 'class'=>'CLogRouter', 'routes'=>array( array( 'class'=>'CFileLogRoute', 'levels'=>'error, warning,trace', ), // 以下是新加 array( // configuration for the toolbar 'class'=>'XWebDebug...

在config/main.php中 'components'=>array( 'db'=>array( 'enableParamLogging' => true,//增加这行 ), 'log'=>array( 'class'=>'CLogRouter', 'routes'=>array( array( 'class'=>'CFileLogRoute', 'levels'=>'trace, info error, warning', //...

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...

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

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