特效描述：html5 css3 带日期 圆形数字 电子时钟代码。HTML5+CSS3圆形数字电子时钟。
代码结构
1. 引入JS
2. HTML代码
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$(function(){
var clock = document.getElementById("clock");
function initNumXY(){
// 1、12个数字的位置设置
var radius = 160;//大圆半价
var dot_num = 360/$(".dot").length;//每个div对应的弧度数
//每一个dot对应的弧度;
var ahd = dot_num*Math.PI/180;
$(".dot").each(function(index, el) {
$(this).css({
"left":180+Math.sin((ahd*index))*radius,
"top":180+Math.cos((ahd*index))*radius
});
});
// 2、刻钟设置
for(var i = 0; i < 60; i++) {
clock.innerHTML += "
" +
"
"
"
";
}
var scale = document.getElementsByClassName("clock-scale");
for(var i = 0; i < scale.length; i++) {
scale[i].style.transform="rotate(" + (i * 6 - 90) + "deg)";
}
}
initNumXY();//调用上面的函数
//获取时钟id
var hour_line = document.getElementById("hour_line"),
minute_line = document.getElementById("minute_line"),
second_line = document.getElementById("second_line"),
date_info=document.getElementById("date_info"),//获取date_info
hour_time = document.getElementById("hour_time"),// 获去时间id
minute_time = document.getElementById("minute_time"),
second_time = document.getElementById("second_time");
//3、设置动态时间
function setTime(){
var nowdate = new Date();
//获取年月日时分秒
var year = nowdate.getFullYear(),
month = nowdate.getMonth()+1,
day = nowdate.getDay(),
hours = nowdate.getHours(),
minutes = nowdate.getMinutes(),
seconds = nowdate.getSeconds(),
date = nowdate.getDate();
var weekday =["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
// 获取日期id
date_info.innerHTML=year+"年"+month+"月"+day+"日 "+weekday[day];
hour_time.innerHTML = hours >=10 ? hours : "0"+hours;
minute_time.innerHTML = minutes >=10 ? minutes : "0"+minutes;
second_time.innerHTML = seconds >=10 ? seconds : "0"+seconds;
console.log(year+"年"+month+"月"+day+"日 "+weekday[day]);
//时分秒针设置
var hour_rotate = (hours*30-90) + (Math.floor(minutes / 12) * 6);
hour_line.style.transform = 'rotate(' + hour_rotate + 'deg)';
minute_line.style.transform = 'rotate(' + (minutes*6 - 90) + 'deg)';
second_line.style.transform = 'rotate(' + (seconds*6 - 90)+'deg)';
}
// setTime();
setInterval(setTime, 1000);
});
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