我有一个users
表和一个roles
表,它们之间存在多对多关系。这两个表连接到一个名为role_user
的联接表。
以下是我在Laravel项目中使用的Model:
User
namespace App;
use Illuminate\Database\Eloquent\Model;
class User extends Model
{
public function roles()
{
return $this->belongsToMany('App\Role');
}
}
角色
namespace App;
use Illuminate\Database\Eloquent\Model;
class Role extends Model
{
public function users()
{
return $this->belongsToMany('App\User');
}
}
下面是 Laravel 项目中的 Factory 文件:
$factory->define(App\User::class, function (Faker\Generator $faker) {
return [
'name' => $faker->name,
'email' => $faker->unique()->safeEmail,
'password' => $password ?: $password = bcrypt('secret'),
];
});
$factory->define(App\Role::class, function (Faker\Generator $faker) {
return [
'role' => $faker->realText($maxNbChars = 2),
'description' => $faker->realText($maxNbChars = 20),
];
});
以下是 Laravel 项目中的 Seed 文件:
public function run()
{
factory(App\User::class, 50)->create()->each(function ($u) {
$u->roles()->save(factory(App\Role::class)->make());
});
factory(App\Role::class, 20)->create()->each(function ($u) {
$u->users()->save(factory(App\User::class)->make());
});
}
这应该会填充users
表和roles
表,但是我该如何填充role_user
表呢?(我没有联接表的模型文件。)
我很新手,请帮忙。谢谢。