screen/application/service/byte_dance/ByteDance.php

<?php
namespace app\service\byte_dance;
use GuzzleHttp\Client;

class ByteDance{
    public static function accessToken(){
        return self::single(ByteDanceAccessToken::class)
            ->setAppId(self::appId())
            ->setAppSecret(self::appSecret())
            ->get();
    }

    private static function single($class){
        static $container=[];
        if (!isset($container[$class])){
            $container[$class]=new $class;
        }
        return $container[$class];
    }

    public static function appId(){
        return config('site.byte_dance_mapp_appId');
    }
    public static function appSecret(){
        return config('site.byte_dance_mapp_appSecret');
    }
    public static function httpGet($url){
        $request=(new Client)
            ->get($url);
        $requestData = json_decode($request->getBody()->getContents(),true);
        ByteDance::throwIf(!empty($requestData['err_no']),$requestData['err_tips']);
        return $requestData['data'];
    }
    public static function httpPost($url,$params,$header=[]){
        $request=(new Client)
            ->request('post',$url,[
                'json'=>$params,
                'headers'=>$header
            ]);
        $requestData = json_decode($request->getBody()->getContents(),true);
        ByteDance::throwIf(!empty($requestData['err_no']),$requestData['err_tips']);
        return $requestData['data'];
    }
    public static function throwIf($condition,$msg){
        if($condition){
            throw new ByteDanceException($msg);
        }
    }
}