course-site/database/migrations/2021_08_12_221205_create_course_attaches_table.php

<?php

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

class CreateCourseAttachesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('course_attaches', function (Blueprint $table) {
            $table->id();

            $table->integer('course_id')->default(0);
            $table->integer('course_video_id')->default(0);
            $table->string('name')->default('')->comment('附件名');
            $table->string('path', 500)->default('')->comment('路径');
            $table->string('disk', 12)->default('')->comment('存储磁盘');
            $table->integer('size')->default(0)->comment('单位：byte');
            $table->string('extension', 12)->default('')->comment('文件格式');
            $table->integer('download_times')->default(0)->comment('下载次数');
            $table->integer('sort')->default(0);
            $table->tinyInteger('status')->default(1)->comment('是否显示,1显示,0不显示');

            $table->softDeletes();

            $table->timestamps();
        });
    }

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