spring mvc 3 注解任务

@Component
public class Kk {
    
    @Scheduled(fixedDelay = 1000)  
    public void cc()
    {
        System.out.println("===");
    }

}

  <task:annotation-driven/>  
    <context:component-scan base-package="zh.mail" />

    xmlns:task="http://www.springframework.org/schema/task"

http://www.springframework.org/schema/task          
           http://www.springframework.org/schema/task/spring-task-3.0.xsd"  >