rf3main/addons/LsActivity/common/models/Sign.php

<?php

namespace addons\LsActivity\common\models;
use addons\LsActivity\common\models\Activity;

use Yii;

/**
 * This is the model class for table "rf_addon_activity_sign".
 *
 * @property int $id
 * @property int|null $uid 用户ID
 * @property int|null $aid 活动ID
 * @property int|null $created_at 报名时间
 * @property string|null $status 状态
 */
class Sign extends \yii\db\ActiveRecord
{
    /**
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return 'rf_addon_activity_sign';
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['uid', 'aid', 'created_at'], 'integer'],
            [['status'], 'string', 'max' => 255],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'uid' => '用户ID',
            'aid' => '活动ID',
            'created_at' => '报名时间',
            'status' => '状态',
        ];
    }


    public function getActivity()
    {
        return $this->hasMany(Activity::class, ['id' => 'aid']);
    }
}