yii2 verwendet eine Datenbank, um Fehlerinformationen aufzuzeichnen

'components' => [
    'log' => [
        'targets' => [
            [
                'class' => 'yii\log\FileTarget',
                'levels' => ['error', 'warning'],
            ],
            [
                'class' => 'yii\log\DbTarget',  //使用数据库记录日志
                'levels' => ['error', 'warning'],
            ]           
        ],
    ]
],

php yii migrate --migrationPath=@yii/log/migrations/

'components' => [
    ... ...
    'log' => [
        'traceLevel' => YII_DEBUG ? 3 : 0,
        'targets' => [
            [
                'class' => 'yii\log\FileTarget',
                'levels' => ['error', 'warning'],
            ],
            [
                'class' => 'yii\log\DbTarget',  //使用数据库记录日志
                'levels' => ['error', 'warning'],
            ]
        ],
    ],
    ... ...
]