实现dubbo的Filter接口，如何注入spring容器里的bean

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	private TestService testService;
	
	public void setTestService(TestService testService) {
		this.testService = testService;
	}

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@Component
public class SpringUtil implements ApplicationContextAware {

	private static ApplicationContext applicationContext;

	@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);
	}

}

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TestService testService = (TestService) SpringUtil.getBean("testService");