test_app/app/Listeners/DeleteAgentListener.php

<?php

namespace App\Listeners;

use App\Events\DeleteAgent;
use App\Models\UserZ;
use App\Models\User;
use App\Models\Service;
use App\Models\Warea;

class DeleteAgentListener
{
    /**
     * Create the event listener.
     *
     * @return void
     */
    public function __construct()
    {
        //
    }

    /**
     * Handle the event.
     *
     * @param  DeleteAgent  $event
     * @return void
     */
    public function handle(DeleteAgent $event)
    {
        $user=$event->user;
        UserZ::where('phone',$user->mobile)->where('level_name','!=','政委')->update(['openid'=>null,'status'=>1]);
        if($user->level==3){
            Service::where('phone',$user->mobile)->delete();
            $recom = User::find($user->recom_id);//代理邀请人信息
            $warea=Warea::where('id',$recom->warea_id)->first();
            $war_name= explode('战区',$warea->name)[0];
            if ($recom->level == '3') {//邀请人等级信息
                $this->updateUserZ($user->id,$recom->nickname,$recom->mobile,$war_name);
            } elseif ($recom->level == '2') {
                $up=User::where('id',$recom->agent_id)->first();
                $this->updateUserZ($user->id,$up->nickname,$up->mobile,$war_name);
            } elseif ($recom->level == '1') {
                $uup = User::find($recom->agent_id);//代理邀请人上级信息
                if($uup->level==3){
                    $up=$uup;
                }else{
                    $up=User::find($uup->agent_id);
                }
                $this->updateUserZ($user->id,$up->nickname,$up->mobile,$war_name);
            }
        }
    }

    public function updateUserZ($uid,$nickname,$mobile,$war_name){
        $users=User::where('recom_id',$uid)->get();
        if(count($users)>0){
            foreach($users as $key=>$val){
                if($val->level==1 || $val->level==2){
                    UserZ::where('phone',$val->mobile)->where('level_name','!=','政委')->update([
                        'up_phone'=>$mobile,
                        'up_name'=>$nickname,
                        'war_names'=>$war_name
                    ]);
                }
            }
            $this->updateUserZ($val->id,$nickname,$mobile,$war_name);
        }
    }
}