'mysql', // 各种数据库配置 'connections' => [ 'mysql' => [ 'driver' => 'mysql', 'host' => env('DB_HOST'), 'port' => 3306, 'database' => env('DB_DATABASE'), 'username' => env('DB_USERNAME'), 'password' => env('DB_PASSWORD'), 'unix_socket' => '', 'prefix' => 'la_', 'strict' => true, 'engine' => null, ], ], ];