lachang/database/migrations/20220308054938_create_activity_discount_table.php

<?php

use think\migration\Migrator;
use think\migration\db\Column;

class CreateActivityDiscountTable extends Migrator
{
    /**
     * Change Method.
     *
     * Write your reversible migrations using this method.
     *
     * More information on writing migrations is available here:
     * http://docs.phinx.org/en/latest/migrations.html#the-abstractmigration-class
     *
     * The following commands can be used in this method and Phinx will
     * automatically reverse them when rolling back:
     *
     *    createTable
     *    renameTable
     *    addColumn
     *    renameColumn
     *    addIndex
     *    addForeignKey
     *
     * Remember to call "create()" or "update()" and NOT "save()" when working
     * with the Table class.
     */
    public function change()
    {
        $table = $this->table('activity_discount', array('id' => true, 'primary_key' => ['id'], 'engine' => 'InnoDB', 'comment' => '活动折扣表'));
        $table->addColumn('name', 'string',array('limit'  => 255,'default'=>'','comment'=>'活动名称'))
        ->addColumn('code','string',array('limit'  => 255,'default'=>'','comment'=>'活动编号'))
         ->addColumn('start_time', 'datetime',array('null' => true,'comment'=>'活动开始时间'))
        ->addColumn('end_time', 'datetime',array('null' => true,'comment'=>'活动结束时间'))
        ->addColumn('type', 'integer',array('limit'  =>  4, 'signed' => false, 'default'=> 0,'comment'=>'1:第N件起打折,2:满N件起打折'))
        ->addColumn('item_n', 'integer',array('limit'  =>  4, 'signed' => false, 'default'=> 0,'comment'=>'N值'))
        ->addColumn('item_v', 'decimal',array('limit'  =>  11,'precision'=>10,'scale'=>2,'signed'=>false,'default'=>0,'comment'=>'折扣值'))
         ->addColumn('audit_status_zg', 'integer',array('limit'  => 10,'default'=>0,'comment'=>'主管审核状态(0待审核 10已同意 20已拒绝)'))
         ->addColumn('refuse_desc_zg', 'string',array('limit'  => 1000,'default'=>'','comment'=>'主管拒绝原因(说明)'))
        ->addColumn('is_up', 'integer',array('limit'  => 10,'default'=>1,'comment'=>'0 作废 1 上线 默认上线'))
         ->addColumn('create_time', 'integer', array('limit'  =>  10,'signed' => false, 'default' => 0, 'comment' => '创建时间'))
         ->addColumn('update_time', 'integer', array('limit'  =>  10,'signed' => false, 'default' => 0, 'comment' => '更新时间'))
         ->create();
    }
}