hemall.terabimsoft.com.cn/plugins/answer-reward/migrations/2020_10_19_095105_create_yz_subject.php

<?php

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

class CreateYzSubject extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        //题目表
        if (!Schema::hasTable('yz_subject')) {
            Schema::create('yz_subject', function (Blueprint $table) {
                $table->increments('id');
                $table->integer('uniacid')->nullable()->comment('公众号ID');
                $table->string('title')->nullable()->comment('题目');
                $table->decimal('uid_reward_value',5,2)->nullable()->comment('会员奖励值设置');
                $table->decimal('uid_reward_ratio',5,2)->nullable()->comment('会员奖励比例设置');
                $table->decimal('parent_reward_value',5,2)->nullable()->comment('上级奖励值设置');
                $table->decimal('parent_reward_ratio',5,2)->nullable()->comment('上级奖励比例设置');

                $table->integer('created_at')->nullable();
                $table->integer('updated_at')->nullable();
                $table->integer('deleted_at')->nullable();
            });
            \Illuminate\Support\Facades\DB::statement("ALTER TABLE `".app('db')->getTablePrefix()."yz_subject` comment'短视频答题--题目表'");//表注释
        }
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        //
    }
}