thinkphp-butter/app/service/EnterprisesService.php

<?php

namespace app\service;

use app\model\Enterprises;
use think\console\command\Lists;
use think\db\exception\DataNotFoundException;
use think\db\exception\DbException;
use think\db\exception\ModelNotFoundException;
use think\facade\Db;
use think\Model;

class EnterprisesService
{
    public static function selectLoginInfo($loginInfo){
        $map[] = ["username","=",$loginInfo["username"]];
        $map[] = ["password","=",$loginInfo["password"]];
        return (new Enterprises())->where($map)->field("qydm, fzr_name")->find();
    }

    /**
     * @throws ModelNotFoundException
     * @throws DataNotFoundException
     * @throws DbException
     */
    public static function getEnterPrisesList($page, $xzqdm){
        switch (strlen($xzqdm) ){
            case 4:
                $map[]=["city","=",$xzqdm];
                break;
            case 6:
                $map[] = ["country","=",$xzqdm];
                break;
            case 9:
                $map[] = ["towns","=",$xzqdm];
                break;
            default:
                $map[]=["city","<>",""];
        }
        $res["row"] = (new Enterprises)->where($map)->page($page["page"],$page["size"])->select();
        $res["count"] = (new Enterprises)->where($map)->count();

       return $res;
    }

    public static function getEnterprisesInfoByQydm($qydm){
        return Db::name("enterprises")->field("t_enterprises.*,x.xzqmc as cityname,e.xzqmc as countyname,f.xzqmc as townsname")->where("qydm",$qydm)->leftJoin("t_zd_xzq x","t_enterprises.city=x.xzqdm")->leftJoin("t_zd_xzq e","t_enterprises.county=e.xzqdm")->leftJoin("t_zd_xzq f","t_enterprises.towns=f.xzqdm")->find();
    }

    /**
     * @throws ModelNotFoundException
     * @throws DataNotFoundException
     * @throws DbException
     */
    public static function getEnterprisesInfoById($id){
        return (new Enterprises)->find($id);
    }
    public static function editEnterprisesInfo($info,$id): Enterprises
    {
        return Enterprises::update($info,["id"=>$id]);
    }
    public static function addEnterprises($info): bool
    {
       return (new Enterprises)->save($info);
    }
    public static function delEnterprises($id): bool
    {
        return Enterprises::destroy($id);
    }
}