screen/application/service/byte_dance/ByteDancePay.php

<?php
namespace app\service\byte_dance;

use think\Cache;
use think\Collection;

class ByteDancePay implements ByteDanceInterface {
    protected $data=[
        'out_order_no'=>'',
        'total_amount'=>'',
        'subject'=>'',
        'body'=>'',
        'valid_time'=>86400,
        'notify_url'=>'',
        'thirdparty_id'=>''
    ];

    public function __construct()
    {
    }

    /**
     * @param mixed $order_no
     * @param $amount
     * @param $subject
     * @return ByteDancePay
     */
    public static function setInfo($order_no,$amount,$subject)
    {
        $class=new self;
        $class->data['app_id']=ByteDance::appId();
        $class->data['out_order_no'] = $order_no;
        $class->data['total_amount'] = $amount*100;
        $class->data['subject'] = $subject;
        $class->data['body'] = $subject;
        $class->data['notify_url']=request()->domain().'/index/payment/notify_dy/order_no/'.$order_no;
        return $class;
    }

    public function get()
    {
        $data=$this->data;
        $data['sign']=$this->sign($data);
        $order=ByteDance::httpPost('https://developer.toutiao.com/api/apps/ecpay/v1/create_order',$data);
        $obj=ByteDanceResult::make();
        foreach ($order as $key=>$item){
            $obj->offsetSet($key,$item);
        }
        return $obj;
    }

    protected function sign($map) {
        $rList = array();
        foreach($map as $k =>$v) {
            if ($k == "other_settle_params" || $k == "app_id" || $k == "sign" || $k == "thirdparty_id")
                continue;
            $value = trim(strval($v));
            $len = strlen($value);
            if ($len > 1 && substr($value, 0,1)=="\"" && substr($value,$len, $len-1)=="\"")
                $value = substr($value,1, $len-1);
            $value = trim($value);
            if ($value == "" || $value == "null")
                continue;
            array_push($rList, $value);
        }
        array_push($rList, config('site.byte_dance_mapp_pay_salt'));
        sort($rList, 2);
        return md5(implode('&', $rList));
    }
}
/**
 * @property string $order_id
 * @property string $order_token
 * @property string $url
 */
class ByteDanceResult extends Collection {}