jsp有两个按钮来控制Timer的开始和结束方法

时间：2021-05-26

1、jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Insert title here</title><script type="text/javascript">function st(){ window.location.href="startCamera.html" rel="external nofollow" ;}function en(){ window.location.href="cancelCamera.html" rel="external nofollow" ;}</script></head><body><input type="button" value="开始" onclick="st()"/><input type="button" value="结束" onclick="en()"/></body></html>

2、Controller

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;@Controllerpublic 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"; }}

3、TimerTask

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

以上这篇jsp有两个按钮来控制Timer的开始和结束方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。

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