ProxyPanel/database/migrations/2020_08_21_145711_create_invite_table.php

<?php

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

class CreateInviteTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('invite', function (Blueprint $table) {
            $table->increments('id');
            $table->unsignedInteger('inviter_id')->default(0)->comment('邀请ID');
            $table->unsignedInteger('invitee_id')->nullable()->comment('受邀ID');
            $table->char('code', 12)->unique()->comment('邀请码');
            $table->boolean('status')->default(0)->comment('邀请码状态：0-未使用、1-已使用、2-已过期');
            $table->dateTime('dateline')->comment('有效期至');
            $table->dateTime('created_at')->comment('创建时间');
            $table->dateTime('updated_at')->comment('最后更新时间');
            $table->softDeletes()->comment('删除时间');
        });
    }

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