<?phpuse Illuminate\Database\Seeder;
use Illuminate\Database\Eloquent\Model;class DatabaseSeeder extends Seeder
{/*** Run the database seeds.*/public function run(){//}}class MyTableSeeder extends Seeder
{public function run(){//}
}

Model::unguard();//你的填充操作Model::reguard();

/*** Disable all mass assignable restrictions.** @param  bool  $state* @return void*/public static function unguard($state = true){static::$unguarded = $state;}/*** Enable the mass assignment restrictions.** @return void*/public static function reguard(){static::$unguarded = false;}

Model::truncate();

<?phpuse Illuminate\Database\Seeder;
use Illuminate\Database\Eloquent\Model;class DatabaseSeeder extends Seeder
{/*** Run the database seeds.*/public function run(){Model::unguard();$this->call('PostTableSeeder');Model::reguard();}}class PostTableSeeder extends Seeder
{public function run(){App\Post::truncate();factory(App\Post::class, 1000)->create();}
}

$factory->define(App\Post::class, function ($faker) {return ['title' => $faker->sentence(mt_rand(3, 10)),'content' => join("\n\n", $faker->paragraphs(mt_rand(3, 6))),'published_at' => $faker->dateTimeBetween('-1 month', '+3 days'),];
});

/*** Define a class with a given set of attributes.** @param  string  $class* @param  callable  $attributes* @param  string  $name* @return void*/public function define($class, callable $attributes, $name = 'default'){$this->definitions[$class][$name] = $attributes;}

/*** Create an instance of the given model and persist it to the database.** @param  string  $class* @param  array  $attributes* @return mixed*/public function create($class, array $attributes = []){return $this->of($class)->create($attributes);}

php artisan db:seed

php artisan db:seed --class=你要执行的类名称