wxgzh/database/migrations/2020_07_13_083216_create_mentality_drills_table.php

<?php

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

class CreateMentalityDrillsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('mentality_drills', function (Blueprint $table) {
            $table->id();
            
            $table->bigInteger('category_id')->comment('分类id')->index();
            $table->string('title')->comment('标题');
            $table->string('subtitle')->nullable()->comment('副标题');
            $table->string('pic')->comment('图片');
            $table->longText('content')->comment('内容');
            $table->integer('number_of_studies')->default(0)->comment('学习次数')->index();
            $table->bigInteger('rank')->default(0)->comment('排序 越大越前')->index();
            
            $table->timestamps();
            $table->softDeletes();
        });
    }

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