数据库异常– yii \\ db \\ Exception

Question

I got this error:

 Caused by: PDOException invalid data source name in C:\\wamp64\\www\\quickcar\\vendor\\yiisoft\\yii2\\db\\Connection.php at line 686 

This is the main-local.php :

return [
    'components' => [
        'db' => [
            'class' => 'yii\db\Connection',
            'dsn' => 'quickcar',
            'username' => 'quickcar',
            'password' => 'quickcar',
            'charset' => 'utf8',
        ],

        'mailer' => [
            'class' => 'yii\swiftmailer\Mailer',
            'viewPath' => '@common/mail',
            // send all mails to a file by default. You have to set
            // 'useFileTransport' to false and configure a transport
            // for the mailer to send real emails.
            'useFileTransport' => true,
        ],
    ],
];

Answer 1

PDO support multiple database vendor so u need to tell which database to connect in order.

try this one

'components' => [
    'db' => [
        'class' => '\yii\db\Connection',
        'dsn' => 'mysql:host=127.0.0.1;dbname=quickcar',
        'username' => 'quickcar',
        'password' => 'quickcar',
        'charset' => 'utf8',
    ],
],

if you are using different port on mysql then do like this

'dsn' => 'mysql:host=127.0.0.1;port=3307;dbname=quickcar'