是否可以在模型中使用Codeigniter Email类？
我一直在尝试，但它拒绝加载邮件对象。一般来说，库是否允许加载到模型中？

代码

<?php

class ClubInvitation extends DataMapper {
        
        var $table = "club_invitations";
        var $has_one = array("club");
        
        public function __construct($id){
            parent::__construct($id);
            $this->load->library('email');
        }
        
        public function inviteEmailToClub($email, $club, $message){ 
            $invite = new ClubInvitation();
            $invite->email = $email;
            $invite->code = random_string('unique', null);
            //$invite->save($club);
            
            $club->ClubAdmin->limit(1);
            $mainClubAdmin = $club->ClubAdmin->get()->User->get();
            $data['club'] = $club;
            $data['message'] = $message;
            $data['club_leader'] = $mainClubAdmin;
            $data['invite_code'] = $invite->code;
                        
            $email_body = $this->WBLayout->emailTemplate('invited_to_club', $data);
            $this->email->from($mainClubAdmin->User->getAccount()->email, $club->name);
            $this->email->to($email);
            $this->email->subject($club->name.' has invited you to join');
            $this->email->message($email_body);
            $this->email->send();
        }

}