2020_08_01_151322_device_model_number_table.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class DeviceModelNumberTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('device_model_numbers', function (Blueprint $table) {
            $table->increments('id');
            $table->string('model_number')->unique()->comment('型号名称');
            $table->integer('device_type_id')->comment('设备分类ID');
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('device_model_numbers');
    }
}