project/app/user/model/TaxCompany.php

<?php
namespace app\user\model;

use think\model\concern\SoftDelete;
class TaxCompany extends Base
{
    use SoftDelete;
//设置字段信息
    protected $schema = [
        'id'  =>'bigint',//
        'tax_id'  =>'int',//税目id
        'companyNo'  =>'varchar',//公司编号
        'income'  =>'tinyint',//进项是否可用
        'output'  =>'tinyint',//销项是否可用
        'createTime'  =>'datetime',//
        'updateTime'  =>'datetime',//
        'delete_time'  =>'datetime',//
       ];
    protected $createTime='createTime';
    protected $updateTime='updateTime';
    protected $deleteTime='delete_time';
    public static  $useType=["未设置","可用","不可用"];
    public function company(){
        return $this->belongsTo(Headquarters::class,'companyNo','code')->bind(['companyName'=>'name']);
    }
    public function tax(){
        return $this->belongsTo(TaxCategory::class,'tax_id','id')->bind(["cat_name","cat_code","short_name","merge_code"]);
    }
    public static function taxCheck($comapnyNo,$taxIds,$type='in'){
        $taxType=['in'=>'进项','out'=>'销项'];
        if($type=='in'){
            $where=[['companyNo','=',$comapnyNo],['income','=',1],['tax_id','in',$taxIds]];
        }else{
            $where=[['companyNo','=',$comapnyNo],['output','=',1],["tax_id","=",$taxIds]];
        }
        $list=self::with(['tax'])->where($where)->select();
        if($list->isEmpty())throw new \Exception($taxType[$type].'税目不可用');
        if($type=='in'){
            $Ids=array_column($list->toArray(),'tax_id');
            $diff=array_diff($taxIds,$Ids);
            if(!empty($diff)){
                $tax=TaxCategory::where('id','in',$diff)->column("cat_name");
                throw new \Exception($taxType[$type].'税目不可用:'.implode(',',$tax));
            }
        }
        return true;
    }
}