lizhi/application/common/model/SysMsg.php

<?php

namespace app\common\model;

use think\Model;

/**
 * 模型
 */
class SysMsg extends Model
{
    // 定义时间戳字段名
    protected $createTime = 'createtime';

    /**
     * 发送系统消息
     */
    public static function sendSysMsg($user_id,$type,$title,$content) {
        $data = [];
        $data['user_id'] = $user_id;
        $data['type'] = $type;
        $data['title'] = $title;
        $data['content'] = $content;
        $data['is_read'] = 0;
        $data['createtime'] = time();
        return self::insert($data);
    }
}