composer require tencentcloud/tencentcloud-sdk-php安装composer包

    public function tencent_send(){
        $mobile = $this->request->post("mobile");
//        if (!$mobile || !\think\Validate::regex($mobile, "^1\d{10}$")) {
//            $this->error(__('手机号不正确'));
//        }
        $sms = new SmsTencent();
        $auth_code = rand(1000,9999);
        $result = $sms->send(Config::get('site.tencent_template_id'), '', $mobile, $auth_code);
        if ($result['code'] == 0) {
            Cache::set($mobile,$auth_code,300);
            $this->success(__('发送成功'));
        } else {
            $this->error('发送失败:'.$result['msg']);
        }
    }




<?php

namespace app\api\controller;

use app\common\controller\Api;
use TencentCloud\Common\Credential;
use TencentCloud\Common\Profile\ClientProfile;
use TencentCloud\Common\Profile\HttpProfile;
use TencentCloud\Common\Exception\TencentCloudSDKException;
use TencentCloud\Sms\V20190711\SmsClient;
use TencentCloud\Sms\V20190711\Models\SendSmsRequest;
use think\Config;

class SmsTencent extends Api
{
    protected $noNeedLogin = ['*'];
    protected $noNeedRight = ['*'];


    public function _initialize()
    {
        parent::_initialize();
        // 这里的配置信息可以写入基本配置里面，这里只是为了练手
        $this->config = [
            'appid' => Config::get('site.tencent_appid'),
            'secret_id' => Config::get('site.tencent_secret_id'),
            'secret_key' => Config::get('site.tencent_secret_key')
        ];
    }

    public function send($template_id, $sign, $phone, $auth_code)
    {

        $return = [
            'code' => 0,
            'msg' => 'success',
            'data' => []
        ];

        try {

            $cred = new Credential($this->config['secret_id'], $this->config['secret_key']);
            $httpProfile = new HttpProfile();
            $httpProfile->setEndpoint("sms.tencentcloudapi.com");

            $clientProfile = new ClientProfile();
            $clientProfile->setHttpProfile($httpProfile);
            $client = new SmsClient($cred, "ap-guangzhou", $clientProfile);

            $req = new SendSmsRequest();
            /* 是否国际/港澳台短信：
               0表示国内短信
               1表示国际/港澳台短信 */
            $req->International = 1;

            $params = array(
                "PhoneNumberSet" => array(
                    $phone
                ),
                "TemplateID" => $template_id,
                "Sign" => $sign,
                "TemplateParamSet" => array(
                    (string)$auth_code
                ),
                "SmsSdkAppid" => $this->config['appid']
            );
            $req->fromJsonString(json_encode($params));

            $resp = $client->SendSms($req);

            $result = $resp->toJsonString();
            $result = json_decode($result, true);

        } catch (TencentCloudSDKException $e) {
            $return['code'] = 500;
            $return['msg'] = $e->getMessage();
            return $return;
        }

        if (isset($result['SendStatusSet'][0]['Code'])&&$result['SendStatusSet'][0]['Code']=='Ok') {
            $return['code'] = 0;
            $return['msg'] = 'success';
        } else {
            $return['code'] = 500;
            $return['msg'] = $result['SendStatusSet'][0]['Message'] ?? '发送失败';
        }

        return $return;
    }
}