ss-visit/app/Notifications/AuditEmailNotify.php

<?php

namespace App\Notifications;

use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Notifications\Messages\MailMessage;
use Illuminate\Notifications\Notification;

class AuditEmailNotify extends Notification
{
    use Queueable;

    protected $visitData;
    protected $isFirstAudit;

    /**
     * Create a new notification instance.
     *
     * @param array $visitData
     * @param bool $isFirstAudit
     */
    public function __construct($visitData, $isFirstAudit = false)
    {
        $this->visitData = $visitData;
        $this->isFirstAudit = $isFirstAudit;
    }

    /**
     * Get the notification's delivery channels.
     *
     * @param mixed $notifiable
     * @return array
     */
    public function via($notifiable)
    {
        return ['mail'];
    }

    /**
     * Get the mail representation of the notification.
     *
     * @param mixed $notifiable
     * @return \Illuminate\Notifications\Messages\MailMessage
     */
    public function toMail($notifiable)
    {
        $visitData = $this->visitData;

        if ($this->isFirstAudit) {
            // 第一个审核人的邮件
            return (new MailMessage)
                ->from(config('mail.from.address'), 'Getinge Suzhou HR')
                ->subject('新的拜访审核通知 - ' . $visitData['name'])
                ->greeting('您好 ' . $notifiable->name . '，')
                ->line('您有一个新的拜访申请需要审核，访客 ' . $visitData['name'] . ' 预约于 ' . $visitData['date'] . ' 到访。')
                ->line('访客联系电话：' . $visitData['mobile'])
                ->line('拜访事由：' . ($visitData['reason'] ?? '无'))
                ->line('请及时审核此拜访申请。')
                ->salutation('')
                ->line('Regards')
                ->line('Getinge Suzhou HR');
        } else {
            // 后续审核人的邮件
            return (new MailMessage)
                ->from(config('mail.from.address'), 'Getinge Suzhou HR')
                ->subject('拜访审核流转通知 - ' . $visitData['name'])
                ->greeting('您好 ' . $notifiable->name . '，')
                ->line('拜访申请 ' . $visitData['name'] . ' 预约于 ' . $visitData['date'] . ' 的审核已流转到您这里，上一级审核人：' . ($visitData['previous_admin'] ?? '') . '。')
                ->line('访客联系电话：' . $visitData['mobile'])
                ->line('拜访事由：' . ($visitData['reason'] ?? '无'))
                ->line('请及时处理此审核流转。')
                ->salutation('')
                ->line('Regards')
                ->line('Getinge Suzhou HR');
        }
    }
}