ApiAdmin/database/migrations/20190508070533_admin_auth_group.php

<?php

use think\migration\Migrator;
use Phinx\Db\Adapter\MysqlAdapter;

class AdminAuthGroup 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.
     */

    /**
     * CREATE TABLE `admin_auth_group` (
     *   `id` int(11) unsigned NOT NULL,
     *   `name` varchar(50) NOT NULL DEFAULT '' COMMENT '组名称',
     *   `description` text COMMENT '组描述',
     *   `status` int(2) NOT NULL DEFAULT '1' COMMENT '组状态：为1正常，为0禁用',
     *   PRIMARY KEY (`id`)
     * ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='权限组';
     */
    public function change() {
        $table = $this->table('admin_auth_group', [
            'comment' => '权限组'
        ])->setCollation('utf8mb4_general_ci');
        $table->addColumn('name', 'string', [
            'limit'   => 50,
            'default' => '',
            'comment' => '组名称'
        ])->addColumn('description', 'text', [
            'comment' => '组描述',
            'null'    => true
        ])->addColumn('status', 'integer', [
            'limit'   => MysqlAdapter::INT_TINY,
            'default' => 1,
            'comment' => '组状态：为1正常，为0禁用'
        ])->create();
    }
}