我有以下工厂和播种机。
工厂
播种者
UserFactory.php
$factory->define(App\User::class, function (Faker $faker) {
return [
'name' => $faker->name,
'email' => $faker->unique()->safeEmail,
'email_verified_at' => now(),
'password' => '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password
'remember_token' => Str::random(10),
];
});
ThreadFactory.php
$factory->define(App\Thread::class, function (Faker $faker) {
return [
'user_id' => function() {
return factory(App\User::class)->create()->id;
},
'title' => $faker->sentence,
'body' => $faker->paragraph
];
});
ReplyFactory.php
$factory->define(App\Reply::class, function (Faker $faker) {
return [
'user_id' => function() {
return factory(App\User::class)->create()->id;
},
'thread_id' => function() {
return factory(App\Thread::class)->create()->id;
},
'body' => $faker->paragraph
];
});
UsersTableSeeder.php
```php
public function run()
{
factory(App\User::class, 50)->create();
}
ThreadTableSeeder.php
public function run()
{
factory(App\Thread::class, 50)->create()->each(function ($thread) {
factory(App\Reply::class, 10)->create(['thread_id' => $thread->id]);
});
}
RepliesTableSeeder.php
public function run()
{
// nothing in here . . .
}
DatabaseSeeder.php
public function run()
{
$this->call(ThreadTableSeeder::class);
}
我的问题是运行以下命令时,用户表中有550个用户行,但其他两个表正确。
php artisan db:seed
那么,这是怎么回事?我正在使用Laravel 6.4.1。
根据您的每个线程的代码,正在创建一个用户。对于每个答复,将创建一个用户。因此,对于50个线程和每个线程10个回复,应该创建大约50x10=500
个用户。同样在您的用户播种器类中,您将创建50个用户,自然可以得出550个用户。
现在,如果您想保持用户数量少,而不是为每个线程/回复创建一个新用户,则可以从数据库中随机获取用户并进行分配。这是一个例子
$factory->define(App\Thread::class, function (Faker $faker) {
return [
'user_id' => \App\User::all()->random()->id,
'title' => $faker->sentence,
'body' => $faker->paragraph
];
});
要使其正常工作,您必须首先为用户表添加所需数量的用户种子。