hainan/database/migrations/2021_08_24_164921_create_demand_table.php

<?php

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

class CreateDemandTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('demand', function (Blueprint $table) {
            $table->id();
			$table->string('title')->comment('标题')->default('');
			$table->string('comment')->comment('内容')->default('');
			$table->dateTime('deadline')->comment('流拍时间')->nullable();
			$table->decimal('price')->comment('起拍价格')->default(0);
			$table->integer('stock')->comment('库存')->default(0);
			$table->string('publisher_type')->comment('发布人身份 类型 关联模型')->default('');
			$table->bigInteger('publisher_id')->index()->comment('发布人身份id 根据类型查不同的表')->default(1);
			$table->tinyInteger('state')->comment('状态 1 待竞标 2 已竞标 3 流拍')->default(1);
			$table->string('bidding_user_type')->comment('竞拍人 关联模型')->default(1);
			$table->bigInteger('bidding_user_id')->index()->comment('竞拍成功人用户id 关联竞标表')->default(0);
			$table->bigInteger('bidding_id')->index()->comment('竞拍成功id 关联竞标表')->default(0);
			$table->string('images')->index()->comment('图片')->default('');
			$table->dateTime('created_at')->nullable();
			$table->dateTime('updated_at')->nullable();
			$table->dateTime('deleted_at')->nullable();
        });
    }

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