Laravel数据库播种？播种机如何运行？

php artisan make:seeder YourSeederName

database/seeders

run

php artisan db:seed

DatabaseSeeder

// 使用 DB facade 批量插入
$data = [];
for ($i = 0; $i < 1000; $i++) {
    $data[] = [
        'name' => 'User ' . $i,
        'email' => 'user' . $i . '@example.com',
        'password' => Hash::make('password'),
        'created_at' => now(),
        'updated_at' => now(),
    ];
}

DB::table('users')->insert($data);

// 使用 Eloquent 模型批量插入 (需要模型支持)
User::insert($data);

DB::transaction(function () {
    for ($i = 0; $i < 1000; $i++) {
        User::create([
            'name' => 'User ' . $i,
            'email' => 'user' . $i . '@example.com',
            'password' => Hash::make('password'),
        ]);
    }
});

use Faker\Factory as Faker;

public function run()
{
    $faker = Faker::create();

    for ($i = 0; $i < 100; $i++) {
        DB::table('users')->insert([
            'name' => $faker->name,
            'email' => $faker->unique()->safeEmail,
            'password' => Hash::make('password'),
            'created_at' => now(),
            'updated_at' => now(),
        ]);
    }
}

php artisan make:factory UserFactory --model=User

database/factories

<?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,
            ];
        });
    }
}

use App\Models\User;

public function run()
{
    User::factory()->count(100)->create();
}