mark/application/admin/model/Protector.php

<?php

namespace app\admin\model;

use think\Model;

class Protector extends Model
{
    // 表名
    protected $table = 'protector';
    
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = false;

    // 定义时间戳字段名
    protected $createTime = false;
    protected $updateTime = false;
    
    // 追加属性
    protected $append = [

    ];


    /**
     * 判断单位是否存在，存在返回name
     * @param $unit_name
     * @return bool|mixed
     */
    public static function unitNameIsExist($unit_name)
    {
        $res = self::where('unit_name',$unit_name)
            ->value('unit_name');

        return $res;

    }

    /**
     * 判断用户是否超出保护个数上限
     * @param $usr_id
     * @param $count
     * @return bool|string
     */
    public static function proCountIsExceed($usr_id, $count)
    {
        $exist_count = self::where('usr_id',$usr_id)
            ->where('status',0)
            ->count();
        if($exist_count >= $count){
            return '保护客户个数已超出上限!';
        }
        return false;

    }



    







}