我在Jeffrey Way的laracasts里面学习一个名为Incremental API的教程。如何在Laravel 5.4中创建数据透视表?
Laravel 4 faker类播种和laravel 5.4之间有不同的编码。
我仍然遵循教程“Seeders Reloaded”中的相同代码行。现在,我坚持“类LessonTagTableSeeder不存在”
TagTableSeeder
class TagsTableSeeder extends Seeder
{
/**
* Run the database seeds.
*
* @return void
*/
public function run()
{
$faker = Faker::create('App\Tag');
for($i=1; $i <= 10; $i++) {
DB::table('tags')->insert([
'name' => $faker->word,
'created_at' => \Carbon\Carbon::now(),
'updated_at' => \Carbon\Carbon::now(),
]);
}
}
LessonTagTableSeeder
use Illuminate\Database\Seeder;
use Faker\Factory as Faker;
use App\Lesson;
use App\Tag;
class LessonTagTableSeeder extends Seeder
{
/**
* Run the database seeds.
*
* @return void
*/
public function run()
{
$faker = Faker::create();
$lessonIds = Lesson::pluck('id')->all();
$tagIds = Tag::pluck('id')->all();
for($i=1; $i <= 30; $i++) {
DB::table('lesson_tag')->insert([
'lesson_id' => $faker->randomElement($lessonIds),
'tag_id' => $faker->randomElement($tagIds)
]);
}
}
DatabaseSeeder
use Illuminate\Database\Seeder;
use Illuminate\Database\Eloquent\Model;
use App\Lesson;
use App\Tag;
use DB;
class DatabaseSeeder extends Seeder
{
/**
* Run the database seeds.
*
* @return void
*/
public function run()
{
DB::statement('SET FOREIGN_KEY_CHECKS=0');
Lesson::truncate();
Tag::truncate();
DB::table('lesson_tag')->truncate();
Model::unguard();
$this->call('LessonsTableSeeder');
$this->call('TagsTableSeeder');
$this->call('LessonTagTableSeeder');
DB::statement('SET FOREIGN_KEY_CHECKS=1');
}
我能播种TagsTableSeeder与PHP人员分贝:种子--class = TagsTableSeeder
当我运行 “PHP人员分贝:种子--class = LessonTagTableSeeder”,我提示:
[ReflectionException] 类LessonTagTableSeeder不存在
你知道如何编辑上面的代码吗?任何帮助表示赞赏
谢谢。它像一个魅力! –