jsp有两个按钮来控制Timer的开始和结束方法_JSP编程_

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>

 package net.spring.controller; import java.util.Timer; import net.spring.utils.CameraTask; import net.spring.utils.HKTest; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; @Controller public class HKController { public Timer timer = null; public CameraTask mCameraTask = null; public static boolean status = false; @RequestMapping("startCamera") public String startCamera() { if (!status) { // HKTest.getInstance().login(); if (timer == null) { timer = new Timer(); } if (mCameraTask == null) { mCameraTask = new CameraTask(); } timer.schedule(mCameraTask, 0, 1000); status = true; } return "camera"; } @RequestMapping("cancelCamera") public String cancelCamera() { if (status) { if (timer != null) { timer.cancel(); timer = null; } if (mCameraTask != null) { mCameraTask.cancel(); mCameraTask = null; } // HKTest.getInstance().logout(); status = false; } return "camera"; } } 

 package net.spring.utils; import java.util.TimerTask; public class CameraTask extends TimerTask { @Override public void run() { //dosomthing; } }