<?php
use 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();

<?php
use 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=你要執(zhí)行的類(lèi)名稱(chēng)