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                # laravel 9.x 測試的 創建factory命令 > `php artisan make:factory 類名+Factory` 如下實例 類名和模型名稱必須得一樣 > `php artisan make:factory NewsFactory` *** 生成如下 ``` <?php namespace Database\Factories; use Illuminate\Database\Eloquent\Factories\Factory; use Illuminate\Support\Str; /** * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\News */ class NewsFactory extends Factory { /** * Define the model's default state. * * @return array<string, mixed> */ public function definition() { return [ // "title" =>Str::random(mt_rand(10,30)), "pid" =>mt_rand(1,10), "desc" =>Str::random(mt_rand(200,500)), ]; } } ``` 那這個NewsFactory怎么運行呢? > 我們先創建運行所有 factory 的一個seeder類,名稱叫 RunfactorSeeder : 命令:`php artisan make:seeder RunfactorSeeder` 如下 ``` <?php namespace Database\Seeders; use App\Models\News; use Illuminate\Database\Console\Seeds\WithoutModelEvents; use Illuminate\Database\Seeder; class RunfactorSeeder extends Seeder { /** * Run the database seeds. * * @return void */ public function run() { News::factory(20)->create(); } } ``` 所有的 factory 可以這里運行 運行上面的 RunfactorSeeder ,就可以調用 NewsFactory 添加假數據 運行一個seeder。命令如下: > `php artisan db:seed --class=RunfactorSeeder`
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