详解PHP对接京东工业平台API接口，快速搭建电商系统！

class JDIndustrialAPI
{
    private $appKey;    // 应用程序的appKey
    private $appSecret; // 应用程序的appSecret
    private $serverUrl; // 服务器地址
    private $accessToken;   // 访问令牌
    
    public function __construct($appKey, $appSecret, $serverUrl)
    {
        $this->appKey = $appKey;
        $this->appSecret = $appSecret;
        $this->serverUrl = $serverUrl;
    }
    
    // 获取访问令牌
    public function getAccessToken()
    {
        // 发起获取访问令牌的请求
        $url = $this->serverUrl . '/oauth2/token';
        $params = array(
            'client_id' => $this->appKey,
            'client_secret' => $this->appSecret,
            'grant_type' => 'client_credentials',
        );
        $result = $this->sendRequest($url, $params);
        
        // 解析返回结果，获取访问令牌
        $response = json_decode($result, true);
        if (isset($response['access_token'])) {
            $this->accessToken = $response['access_token'];
        }
    }
    
    // 发送API请求
    public function sendRequest($url, $params)
    {
        // 添加访问令牌参数
        $params['access_token'] = $this->accessToken;
        
        // 发送请求
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));
        $result = curl_exec($ch);
        curl_close($ch);
        
        return $result;
    }
}

// 创建一个API请求对象
$api = new JDIndustrialAPI('YOUR_APP_KEY', 'YOUR_APP_SECRET', 'API_SERVER_URL');

// 获取访问令牌
$api->getAccessToken();

// 调用具体的API方法
$url = $api->serverUrl . '/api/xxxxxx';
$params = array(
    // 请求参数...
);
$result = $api->sendRequest($url, $params);

// 处理API返回结果
$response = json_decode($result, true);
if (isset($response['errorCode']) && $response['errorCode'] == 0) {
    // 成功处理API返回结果
} else {
    // 处理API请求失败的情况
}