腾讯文档写的简直太差了
示例都不好好写
以下是我根据源码整理的写法示例

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<?php
/**
 * 创建云服务器
 *
 * 2019-05-31 范国金
 */

namespace app\pocket\cli;

use TencentCloud\Common\Credential;
use TencentCloud\Cvm\V20170312\CvmClient;
use TencentCloud\Cvm\V20170312\Models\DescribeInstancesRequest;
use TencentCloud\Cvm\V20170312\Models\InternetAccessible;
use TencentCloud\Cvm\V20170312\Models\Placement;
use TencentCloud\Cvm\V20170312\Models\RunInstancesRequest;
use think\console\Command;
use think\console\Input;
use think\console\input\Argument;
use think\console\Output;

class Cvm extends Command
{
    protected $cvmClient;

    protected function configure()
    {
        $this
            ->setName('cvm')
            ->addArgument('bandwidth', Argument::OPTIONAL, 'band width')
            ->addArgument('internetType', Argument::OPTIONAL, 'tnternet charge type')
            ->addArgument('area', Argument::OPTIONAL, 'the area of the cvm')
            ->setDescription('to purchase a new cvm of qcloud');
    }

    protected function execute(Input $input, Output $output)
    {
        $band     = $input->getArgument('bandwidth');
        $area     = $input->getArgument('area');
        $internet = (int) $input->getArgument('internetType');
        $config   = config('qcloud.user_purchase');

        // 购买
        $res = $this->purchase((int) ($band ?? $config['bandwith']), $config['internettype'][$internet], $area ?? $config['area'], $config['secretid'], $config['secretkey'], $config);
        $output->writeln($res);

        // 查询
        $intance = json_decode($res, true)['InstanceIdSet'];
        for ($i = 0; $i < 10; $i++) {
            $res  = $this->describe($intance);
            $data = json_decode($res, true);
            if ($data['InstanceSet'][0]['InstanceState'] != 'PENDING') {
                break;
            }
            sleep(3);
        }
        $output->writeln($res);

        $ip = array_column($data['InstanceSet'], 'PublicIpAddresses');
        $output->writeln('ip: ' . json_encode($ip));
    }

    protected function purchase(string $bandwidth, string $internetType, string $area, string $secretid, string $secretkey, array $config)
    {
        $cred   = new Credential($secretid, $secretkey);
        $client = new CvmClient($cred, $area);

        $zone    = $config['zone'];
        $imageid = $config['imageid'];

        $this->cvmClient = $client;

        // 可用区
        $placement = new Placement();
        $placement->setZone($zone);

        // 公网访问
        $internet = new InternetAccessible;
        $internet->setInternetMaxBandwidthOut($bandwidth);
        $internet->setInternetChargeType($internetType);
        $internet->setPublicIpAssigned(true);

        // 设置主机
        $req = new RunInstancesRequest();
        $req->setImageId($imageid);
        $req->setPlacement($placement);
        $req->setInternetAccessible($internet);

        // 请求接口
        $res = $client->RunInstances($req)->toJsonString();
        return $res;
    }

    protected function describe($instanceid)
    {
        // 查询列表
        $describe = new DescribeInstancesRequest;
        $describe->setInstanceIds($instanceid);

        $res = $this->cvmClient->DescribeInstances($describe)->toJsonString();
        return $res;
    }
}