在Observer中获取magento模块配置数据

namespace Vendor\Module\Observer;

use Magento\Framework\Event\ObserverInterface;
use Magento\Framework\Event\Observer;

class ConfigDataObserver implements ObserverInterface
{
    public function execute(Observer $observer)
    {
        // 在这里获取模块配置数据的逻辑
    }
}

<config>
    <frontend>
        <events>
            <some_event_name>
                <observers>
                    <vendor_module_config_data_observer>
                        <type>singleton</type>
                        <class>Vendor\Module\Observer\ConfigDataObserver</class>
                        <method>execute</method>
                    </vendor_module_config_data_observer>
                </observers>
            </some_event_name>
        </events>
    </frontend>
</config>

use Magento\Framework\App\Config\ScopeConfigInterface;

class ConfigDataObserver implements ObserverInterface
{
    protected $scopeConfig;

    public function __construct(ScopeConfigInterface $scopeConfig)
    {
        $this->scopeConfig = $scopeConfig;
    }

    public function execute(Observer $observer)
    {
        $configValue = $this->scopeConfig->getValue('section/group/field', \Magento\Store\Model\ScopeInterface::SCOPE_STORE);
        // 使用获取到的配置数据进行后续的处理
    }
}