admin_api/app/Notification/DingDingRobot.php

<?php

namespace App\Notification;

class DingDingRobot
{
    private $accessToken;

    private $secret;


    public function __construct($accessToken, $secret)
    {
        $this->accessToken = $accessToken;
        $this->secret = $secret;
    }

    const URL = 'https://oapi.dingtalk.com/robot/send';

    public function markdown($title, $text)
    {
        return TelegramBot::getDefault()->sendMsg($title."\n".$text);


        $now = time()*1000;
        $sign = $this->sign($now);
        $url = self::URL."?access_token={$this->accessToken}&timestamp={$now}&sign={$sign}";
        $data = [
            'msgtype' => 'markdown',
            'markdown' => [
                'title' => $title,
                'text' => $text,
            ]
        ];
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array ('Content-Type: application/json;charset=utf-8'));
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        // 线下环境不用开启curl证书验证, 未调通情况可尝试添加该代码
        curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);
        $data = curl_exec($ch);
        curl_close($ch);
        return $data;
    }

    private function sign($now)
    {
        $secret = $this->secret;
        $string = "$now\n$secret";
        $sign = urlencode(base64_encode(hash_hmac('sha256', $string, $secret, true)));
        return $sign;
    }
}