public static void main(String[] args) throws IOException {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext("bean.xml");
PropertiesConfiguration configuration = PropertiesConfigurationFactoryBean.getPropertiesConfiguration();
configuration.addConfigurationListener(new ConfigurationListener() {
@Override
public void configurationChanged(ConfigurationEvent event) {
//监听配置参数变化,监听不到?
System.out.println(event.getType().name() + " " + event.getPropertyName() + " " + event.getPropertyValue());
}