SpringUtils 工具类

@Component
public class SpringUtil implements ApplicationContextAware {

	private static ApplicationContext applicationContext = null;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		if(SpringUtil.applicationContext == null){
			SpringUtil.applicationContext  = applicationContext;
		}
	}

	//获取applicationContext
	public static ApplicationContext getApplicationContext() {
		return applicationContext;
	}

	//通过name获取 Bean.
	public static Object getBean(String name){
		return getApplicationContext().getBean(name);
	}

	//通过class获取Bean.
	public static <T> T getBean(Class<T> clazz){
		return getApplicationContext().getBean(clazz);
	}

	//通过name,以及Clazz返回指定的Bean
	public static <T> T getBean(String name,Class<T> clazz){
		return getApplicationContext().getBean(name, clazz);
	}

}