laravel 常见问题

1、 Specified key was too long; max key length is 767 bytes

处理： 修改config/database.php , mysql配置。删除数据库表，再执行 php artisan migrate

'charset' => 'utf8', 
'collation' => 'utf8_unicode_ci' ,

2、 Auth guard [admin] is not defined.

处理：修改config/auth.php配置。

'guards' => [
    'web' => [
        'driver' => 'session',
        'provider' => 'users',
    ],
    'admin' => [
        'driver' => 'session',
        'provider' => 'admins',
    ],
    'api' => [
        'driver' => 'token',
        'provider' => 'users',
    ],
],