tomcat启动时定时循环执行内容(action)

package test; import java.util.Timer; import javax.servlet.ServletContextEvent; import javax.servlet.ServletContextListener; /** * @author Administrator 定时器 */ public class ServerTimerListener implements ServletContextListener { private Timer timer; private AnnleeTimerTask task; public void contextDestroyed(ServletContextEvent arg0) { timer.cancel(); System.out.println("定时器已销毁"); } public void contextInitialized(ServletContextEvent event) { String interval = null; if(interval==null || "".equals(interval)) interval = "3000";//默认3秒钟 timer = new java.util.Timer(true); task = new AnnleeTimerTask(event.getServletContext()); System.out.println("定时器已启动"); timer.schedule(task,10000,Long.parseLong(interval));// 多长时间执行一次 System.out.println("已经添加任务调度表"); } }