dubbo编程式动态调用

public interface ToDoService {

    String test(String s);
}

@Service(group = "test1")
public class ToDoService1 implements ToDoService {
    @Override
    public String test(String s) {
        return "1" + s;
    }
}

@Service(group = "test2")
public class ToDoService2 implements ToDoService {
    @Override
    public String test(String s) {
        return "2" + s;
    }
}

/**
 * 执行ToDoService
 *
 * @param group
 * @return
 */
public String executeToDoService(String group) {
    ReferenceConfig<ToDoService> referenceConfig = new ReferenceConfig<>();
    referenceConfig.setInterface(ToDoService.class);
    referenceConfig.setGroup(group);
    ReferenceConfigCache cache = ReferenceConfigCache.getCache();
    ToDoService toDoService1 = cache.get(referenceConfig);
    try {
        return toDoService1.test("哈哈");
    } catch (Exception ex) {
        return "";
    }
}