html5 canvas js(数字时钟)实例代码

2024-12-01 14:42:07

代码如下:

<!doctype html>
<html>
    <head>
        <title>canvas dClock</title>
    </head>
    <body>
        <canvas id = "clock" width = "500px" height = "200px">
            您的浏览器太古董了，升级吧！
        </canvas>
        <script type = "text/javascript">
            var clock = document.getElementById("clock");
            var cxt = clock.getContext("2d");

//显示数字时钟
function showTime(m, n) {
cxt.clearRect(0, 0, 500, 500);

var now = new Date;
                var hour = now.getHours();
                var min = now.getMinutes();
                var sec = now.getSeconds();
                var msec = now.getMilliseconds();
                hour = hour >= 10 ? hour : "0" + hour;
                min = min >= 10 ? min : "0" + min;
                sec = sec >= 10 ? sec : "0" + sec;
                msec = (msec >= 10 && msec < 100) ? ("0" + msec) : (msec >= 0 && msec < 10) ? ("00" + msec) : msec;

bdigital(m, n, hour);
                bdigital(m + 160, n, min);
                bdigital(m + 320, n, sec);
                //tdigital(m + 480, n, msec);

//三位数的显示
                function tdigital(x, y, num) {
                    var ge = num % 10;
                    var shi = (parseInt(num / 10)) % 10;
                    var bai = parseInt((parseInt(num / 10)) / 10) % 10;
                    digital(x, y, bai);
                    digital(x + 70, y, shi);
                    digital(x + 140, y, ge);
                }

//两位数的显示
                function bdigital(x, y, num) {
                    var ge = num % 10;
                    var shi = (parseInt(num / 10)) % 10;
                    digital(x, y, shi);
                    digital(x + 70, y, ge);
                }

//画：
                //小时与分钟之间
                cxt.lineWidth = 5;
                cxt.strokeStyle = "#000";
                cxt.fillStyle = "#000";
                cxt.beginPath();
                cxt.arc(m + 140, n + 80, 3, 0, 360, false);
                cxt.fill();
                cxt.closePath();
                cxt.stroke();

cxt.lineWidth = 5;
                cxt.strokeStyle = "#000";
                cxt.fillStyle = "#000";
                cxt.beginPath();
                cxt.arc(m + 140, n + 100, 3, 0, 360, false);
                cxt.fill();
                cxt.closePath();
                cxt.stroke();

//分钟与秒之间
                cxt.lineWidth = 5;
                cxt.strokeStyle = "#000";
                cxt.fillStyle = "#000";
                cxt.beginPath();
                cxt.arc(m + 300, n + 80, 3, 0, 360, false);
                cxt.fill();
                cxt.closePath();
                cxt.stroke();

cxt.lineWidth = 5;
                cxt.strokeStyle = "#000";
                cxt.fillStyle = "#000";
                cxt.beginPath();
                cxt.arc(m + 300, n + 100, 3, 0, 360, false);
                cxt.fill();
                cxt.closePath();
                cxt.stroke();

//秒与毫秒之间一个.
//                cxt.lineWidth = 5;
//                cxt.strokeStyle = "#000";
//                cxt.fillStyle = "#000";
//                cxt.beginPath();
//                cxt.arc(m + 460, n + 100, 3, 0, 360, false);
//                cxt.fill();
//                cxt.closePath();
//                cxt.stroke();
            }

//显示一位数字
            function digital(x, y, num) {
                //设置风格
                cxt.lineWidth = 5;
                cxt.strokeStyle = "#000";

//a
                function a() {
                    cxt.beginPath();
                    cxt.moveTo(x, y);
                    cxt.lineTo(x + 50, y);
                    cxt.closePath();
                    cxt.stroke();
                }

//b
                function b() {
                    cxt.beginPath();
                    cxt.moveTo(x + 55, y + 5);
                    cxt.lineTo(x + 55, y + 55);
                    cxt.closePath();
                    cxt.stroke();
                }

//c
                function c() {
                    cxt.beginPath();
                    cxt.moveTo(x + 55, y + 60);
                    cxt.lineTo(x + 55, y + 110);
                    cxt.closePath();
                    cxt.stroke();
                }

//d
                function d() {
                    cxt.beginPath();
                    cxt.moveTo(x + 50, y + 115);
                    cxt.lineTo(x, y + 115);
                    cxt.closePath();
                    cxt.stroke();
                }

//e
                function e() {
                    cxt.beginPath();
                    cxt.moveTo(x - 5, y + 110);
                    cxt.lineTo(x - 5, y + 60);
                    cxt.closePath();
                    cxt.stroke();
                }

//f
                function f() {
                    cxt.beginPath();
                    cxt.moveTo(x - 5, y + 55);
                    cxt.lineTo(x - 5, y + 5);
                    cxt.closePath();
                    cxt.stroke();
                }

//g
                function g() {
                    cxt.beginPath();
                    cxt.moveTo(x, y + 57.5);
                    cxt.lineTo(x + 50, y + 57.5);
                    cxt.closePath();
                    cxt.stroke();
                }

//0
                function zero() {
                    a(); b(); c(); d(); e(); f();
                }
                //1
                function one() {
                    b(); c();
                }
                //2
                function two() {
                    a(); b(); d(); e(); g();
                }
                //3
                function three() {
                    a(); b(); c(); d(); g();
                }
                //4
                function four() {
                    b(); c(); f(); g();
                }
                //5
                function five() {
                    a(); c(); d(); f(); g();
                }
                //6
                function six() {
                    a(); c(); d(); e(); f(); g();
                }
                //7
                function seven() {
                    a(); b(); c();
                }
                //8
                function eight() {
                    a(); b(); c(); d(); e(); f(); g();
                }
                //9
                function nine() {
                    a(); b(); c(); d(); f(); g();
                }

//数字n
                function number(n) {
                    switch (n) {
                        case 0: zero(); break;
                        case 1: one(); break;
                        case 2: two(); break;
                        case 3: three(); break;
                        case 4: four(); break;
                        case 5: five(); break;
                        case 6: six(); break;
                        case 7: seven(); break;
                        case 8: eight(); break;
                        case 9: nine(); break;
                    }
                }
                number(num);
            }

showTime(1, 45);
            setInterval("showTime(1,45)", 1000);
        </script>
    </body>
</html>

基于javascript实现动态时钟效果

本文实例讲解了javascript动态时钟效果的实现方法,分享给大家供大家参考,具体内容如下实现代码: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <
javascript入门·动态的时钟,显示完整的一些方法,新年倒计时

时间对象作为非常重要的一个对象,对我们学.net的人来说,并不是很重要,但这并不意味着我们可以忽略,事实上,用得着的时候还是很多的,如果完全依赖JS处理时间,那是会出问题的,因为JS总是假设本地机器上的时间是正确的.还有个原因,他总按照GTM市区来计量.我们只是返回当前date对象的副本,我们即便是修改,那也不会对对象本身有任何影响. 演示一:动态的时钟(来个复杂的) 11:55:13 演示二:显示完整的一些方法(事实上我很讨厌有些格式了) Mon Oct 1 22:35:25 UTC+0800
超级可爱纯js网页时钟

//oObj input requires that a matrix filter be applied. //deg input defines the requested angle of rotation. var deg2radians = Math.PI * 2 / 360; function MatrixFilter(obj) { if(!obj.filters)return; //alert(obj.filters.item(0)); var Matrix; for(p in o
JavaScript实现简单的时钟实例代码

复制代码代码如下: <html> <head> <title>JS实现简单的时钟</title><script> function displayTime() { document.getElementById("time").innerHTML = new Date().toTimeString(); } setInterval(displayTime,1000); // 每隔1秒钟调用dis
js实现的跟随鼠标移动的时钟效果(中英文日期显示)

中文日期限制 "; props2=""; Split=360/n; Dsplit=360/D.length; HandHeight=ClockHeight/4.5 HandWidth=ClockWidth/4.5 HandY=-7; HandX=-2.5; scrll=0; step=0.06; currStep=0; y=new Array();x=new Array();Y=new Array();X=new Array(); for (i=0; i '+props2+D
JS实现的网页倒计时数字时钟效果

本文实例讲述了JS实现的网页倒计时数字时钟效果.分享给大家供大家参考.具体实现方法如下: 复制代码代码如下: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml&q
js实现简单的秒表走动的时钟特效

本文实例介绍了javascript实现简单的秒表走动的时钟特效.分享给大家供大家参考.具体如下: 运行效果图如下: 实现代码: <html> <head> <script type="text/javascript"> function startTime() { var today=new Date() var h=today.getHours() var m=today.getMinutes() var s=today.getSeconds(
js实现倒计时时钟的示例代码

如下所示: 复制代码代码如下:  <SCRIPT language=JavaScript1.2>function setcountdown(theyear,themonth,theday){yr=theyear;mo=themonth;da=theday}setcountdown(2008,7,12)var occasion="2008北京奥运会"var message
一个简易时钟效果js实现代码

本文实例为大家分享了js时钟特效的具体代码,供大家参考,具体内容如下 js代码 var canvas = document.getElementById("clock"); var clock = canvas.getContext("2d"); function zhong() { clock.save(); //开始画外层圆 clock.translate(200, 200); clock.strokeStyle = 'black'; clock.lineWi
js实现一个简单的数字时钟效果

效果图: 代码如下: <!DOCTYPE HTML> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <title>一个简单的数字时钟</title> <script type="text/javascript" charset="utf-8

html5 canvas js(数字时钟)实例代码

相关推荐

随机推荐