调用Laravel 8中未定义的函数工厂()

Question

我这里有两家工厂：

CourseFactory.php

protected $model = Course::class;

public function definition()
    {
        return [
            'title' => $this->faker->sentence(),
            'body' => $this->faker->paragraph(5),
            'price' => $this->faker->numberBetween(1000,10000),
            'image' => $this->faker->imageUrl(),
        ];
    }

和EpisodeFactory.php

protected $model = Episode::class;

public function definition()
    {
        return [
            'title' => $this->faker->sentence(),
            'body' => $this->faker->paragraph(5),
            'videoUrl' => 'https://www.quirksmode.org/html5/videos/big_buck_bunny.mp4',
        ];
    }

然后在DatabaseSeeder.php上

public function run()
    {
        $user = factory(App\Models\User::class)->create();
        factory(\App\Models\Course::class , 5)->create(['user_id' => $user->id ])->each(function ($course) {
            factory(\App\Models\Episode::class, rand(6 , 20))->make()->each(function ($episode , $key) use ($course){
                $episode->number = $key +1;
                $course->episodes()->save($episode);
            });
        });
    }

但是，当我想要运行php artisan db:seed时，我会得到以下错误：

对未定义函数数据库的调用\Seeders\factory() 在C:\Users\POUYA\Desktop_MACOSX\laravel-api\database\seeders\DatabaseSeeder.php

错误消息指的是这一行：

$user = factory(App\Models\User::class)->create();

这意味着我没有正确地使用factory。

那么，如何正确地调用factory呢？

我非常感谢你们的任何想法或建议.

提前谢谢。

UserFactory.php

protected $model = User::class;

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),
        ];
    }

Answer 1

在laravel 8中，呼叫工厂的方式发生了改变。请看变化量g

这里有一种叫现在的方法

因此，在您的情况下，将代码更改为：

public function run()
    {
        $user = \App\Models\User::factory()->create();
        \App\Models\Course::factory()->count(5)->create(['user_id' => $user->id ])->each(function ($course) {
            \App\Models\Episode::factory()->count(rand(6 , 20))->make()->each(function ($episode , $key) use ($course){
                $episode->number = $key +1;
                $course->episodes()->save($episode);
            });
        });
    }