beauti-nof/application/admin/model/Network.php

<?php

namespace app\admin\model;

use think\Model;


class Network extends Model
{
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = true;

    public static function getNetWorkString($noField){
        $onlyPrefix=substr($noField,0,3);
        $onlyPrefixPrivate=substr($noField,0,4);
        $onlyPrefixOther=substr($noField,0,5);
        return self::where('no_field',$onlyPrefix)
            ->whereOr('no_field',$onlyPrefixPrivate)
            ->whereOr('no_field',$onlyPrefixOther)
            ->value('name','');
    }
}