PHP 개발에서 Baidu Wenxin Yiyan API의 버전 제어 및 그레이스케일 릴리스를 구현하는 방법은 무엇입니까?

composer require 百度一言API的SDK

|- src/
   |- v1/
      |- config.php
      |- Controller.php
   |- v2/
      |- config.php
      |- Controller.php
   |- Common.php

<?php
// v1/config.php
return [
    'version' => 'v1',
    'api_url' => 'http://api.baidu.com/v1',
    'api_key' => 'your_api_key_v1',
    'api_secret' => 'your_api_secret_v1',
];

// v2/config.php
return [
    'version' => 'v2',
    'api_url' => 'http://api.baidu.com/v2',
    'api_key' => 'your_api_key_v2',
    'api_secret' => 'your_api_secret_v2',
];

<?php
// v1/Controller.php
class Controller
{
    private $config;
    
    public function __construct()
    {
        $this->config = include 'config.php';
    }
    
    public function getOneWord()
    {
        $apiUrl = $this->config['api_url'] . '/word';
        $params = [
            'api_key' => $this->config['api_key'],
            'timestamp' => time(),
            'sign' => md5($this->config['api_secret'] . time()),
        ];
        
        // 发送请求并处理返回结果
        $result = apiRequest($apiUrl, $params);
        // ...
    }
}

// v2/Controller.php
class Controller
{
    private $config;
    
    public function __construct()
    {
        $this->config = include 'config.php';
    }
    
    public function getOneWord()
    {
        $apiUrl = $this->config['api_url'] . '/word';
        $params = [
            'api_key' => $this->config['api_key'],
            'timestamp' => time(),
            'sign' => md5($this->config['api_secret'] . time()),
            'extra_param' => 'value',
        ];
        
        // 发送请求并处理返回结果
        $result = apiRequest($apiUrl, $params);
        // ...
    }
}

// Common.php
function apiRequest($url, $params)
{
    // 发送HTTP请求并处理返回结果
    // ...
}

<?php
$version = $_GET['version'];
$controllerFile = 'src/' . $version . '/Controller.php';
include $controllerFile;

$controller = new Controller();
$controller->getOneWord();

location /one-word {
    if ($http_user_agent ~* V1-App) {
        proxy_pass http://backend-v1;
    }
    if ($http_user_agent ~* V2-App) {
        proxy_pass http://backend-v2;
    }
    # 其他版本规则...
}