furniture/database/migrations/2017_10_12_145017_create_user_app_table.php

<?php

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

/**
 * Migration auto-generated by Sequel Pro Laravel Export
 * @see https://github.com/cviebrock/sequel-pro-laravel-export
 */
class CreateUserAppTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('user_app', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('user_id')->comment('用户id');
            $table->string('app_id', 255)->comment('APP ID(app_info主键id)');
            $table->nullableTimestamps();

        });
    }

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