Laravel数据填充指南：掌握make:seeder命令与数据库数据播种

php artisan make:factory UserFactory --model=User

// database/factories/UserFactory.php

<?php

namespace Database\Factories;

use App\Models\User;
use Illuminate\Database\Eloquent\Factories\Factory;
use Illuminate\Support\Str;

class UserFactory extends Factory
{
    /**
     * The name of the factory's corresponding model.
     *
     * @var string
     */
    protected $model = User::class;

    /**
     * Define the model's default state.
     *
     * @return array
     */
    public function definition()
    {
        return [
            'name' => $this->faker->name(),
            'email' => $this->faker->unique()->safeEmail(),
            'email_verified_at' => now(),
            'password' => '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password
            'remember_token' => Str::random(10),
        ];
    }

    /**
     * Indicate that the model's email address should be unverified.
     *
     * @return \Illuminate\Database\Eloquent\Factories\Factory
     */
    public function unverified()
    {
        return $this->state(function (array $attributes) {
            return [
                'email_verified_at' => null,
            ];
        });
    }
}

php artisan make:seeder UserSeeder

// database/seeders/UserSeeder.php

<?php

namespace Database\Seeders;

use App\Models\User;
use Illuminate\Database\Seeder;

class UserSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        // 使用工厂创建10个用户
        User::factory()->count(10)->create();

        // 也可以创建特定属性的用户
        User::factory()->create([
            'name' => 'Admin User',
            'email' => 'admin@example.com',
        ]);
    }
}

// database/seeders/DatabaseSeeder.php

<?php

namespace Database\Seeders;

use Illuminate\Database\Seeder;

class DatabaseSeeder extends Seeder
{
    /**
     * Seed the application's database.
     *
     * @return void
     */
    public function run()
    {
        $this->call([
            UserSeeder::class,
            // 如果有其他Seeder，也可以在这里添加
            // ProductSeeder::class,
        ]);
    }
}

php artisan db:seed

php artisan migrate:fresh --seed