模型获取器的使用

const STATUS_PAY = 0;

const STATUS_PAY_SUCCESS = 1;

const STATUS_PAY_FAIL = 2;

protected $appends = ['status_text'];

public function getStatusTextAttribute(){
    $status = $this->attributes['status']
    $text = '';
    switch($status){
        case:0
            $text = '待付款';
            break;
        case:1
            $text = '付款成功';
            break;
        case:2
            $text = '付款失败';
            break;
        default:
            $text = '未知错误';
            break;
    }
    return $text;
}

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