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Data filling in laravel framework

Dec 02, 2021 pm 12:09 PM
laraveldata filling

Data filling in laravel framework

In order to make it easier to fill in data into the database, Laravel specifically defines a filling class that can fill in test data for your database. All filling classes are placed in the database/seeds directory. Next, this article will take you to take a look.

1. Write Seeders and fill in data

  • ##Use Artisan command make:seeder to generate Seeder

  • php artisan make:seeder UserSeeder
  • Generate UserSeeder class

  • <?php
    namespace Database\Seeders;
    use Illuminate\Database\Seeder;
    use Illuminate\Support\Facades\DB;
    class UserSeeder extends Seeder
    {
        public function run()
        {
            
        }
    }
  • Use the query constructor in Insert data into the run method

  • DB::table(&#39;users&#39;)->insert(
      [
      
       [&#39;name&#39; => &#39;321250887&#39;,&#39;email&#39; => &#39;321250887@qq.com&#39;,&#39;password&#39; => bcrypt(&#39;321250887&#39;)],
       [&#39;name&#39; => &#39;321250888&#39;,&#39;email&#39; => &#39;321250888@qq.com&#39;,&#39;password&#39; => bcrypt(&#39;321250888&#39;)],
       [&#39;name&#39; => &#39;321250889&#39;,&#39;email&#39; => &#39;321250889@qq.com&#39;,&#39;password&#39; => bcrypt(&#39;321250889&#39;)],
       [&#39;name&#39; => &#39;3212508810&#39;,&#39;email&#39; => &#39;3212508810@qq.com&#39;,&#39;password&#39; => bcrypt(&#39;3212508810&#39;)],
       [&#39;name&#39; => &#39;3212508811&#39;,&#39;email&#39; => &#39;3212508811@qq.com&#39;,&#39;password&#39; => bcrypt(&#39;3212508811&#39;)],
       [&#39;name&#39; => &#39;3212508812&#39;,&#39;email&#39; => &#39;3212508812@qq.com&#39;,&#39;password&#39; => bcrypt(&#39;3212508812&#39;)],
       [&#39;name&#39; => &#39;3212508813&#39;,&#39;email&#39; => &#39;3212508813@qq.com&#39;,&#39;password&#39; => bcrypt(&#39;3212508813&#39;)],
       [&#39;name&#39; => &#39;3212508814&#39;,&#39;email&#39; => &#39;3212508814@qq.com&#39;,&#39;password&#39; => bcrypt(&#39;3212508814&#39;)],
      ]);
    //相应的类已经在上方导入
  • Use the Artisan command db:seed --class option to specify a specific seeder class:

  • php artisan db:seed --class=UserSeeder

2. Use the default DatabaseSeeder class and fill in the data

  • Use the query constructor to insert data in the run method

  • <?php
    namespace Database\Seeders;
    use Illuminate\Database\Seeder;
    use Illuminate\Support\Facades\DB;
    class DatabaseSeeder extends Seeder
    {
        public function run()
        {
            DB::table(&#39;users&#39;)->insert([
                &#39;name&#39; => &#39;3212508814&#39;,
                &#39;password&#39; => bcrypt(&#39;3212508814&#39;)],
            ]);
        }
    }
  • Use the call method to run other seed classes

  • public function run()
    {
        $this->call([
            UserSeeder::class,
            CategorySeeder::class,
        ]);
    }
  • Use Artisan command db :seed to fill the database

  • php artisan db:seed
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