public static void main(String[] args) {

        Person person = ExtensionLoaderFactory.getExtensionLoader(Person.class).getExtension("A");

        person.getName();
    }
@author <a href="mailto:lw111072@antfin.com">liangen</a>
example/src/test/java/com/alipay/sofa/rpc/extension/ExtensionMain.java