罗盘时钟代码[通俗易懂]

大家好，又见面了，我是你们的朋友全栈君。

HTML

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>罗盘时钟</title>

    <link rel="stylesheet" href="css/clock.css" >

</head>
<body>

<div id="clock"></div>

<script src="js/clock.js"></script>

</body>
</html>

CSS

*{ 
   
    margin:0;
    padding:0
}
html,body{ 
   
    width:100%;
    height:100%;
    background-color:#000;
    overflow:hidden
}
#clock{ 
   
    position:relative;
    width:100%;
    height:100%;
    background:#000
}
.label{ 
   
    display:inline-block;
    color:#4d4d4d;
    text-align:center;
    padding:0 5px;
    font-size:19px;
    transition:left 1s,top 1s;
    transform-origin:0% 0%
}

JacaScript

var monthText=["一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"];
var dayText=["零一号","零二号","零三号","零四号","零五号","零六号","零七号","零八号","零九号","十号","十一号","十二号","十三号","十四号","十五号","十六号","十七号","十八号","十九号","二十号","二十一号","二十二号","二十三号","二十四号","二十五号","二十六号","二十七号","二十八号","二十九号","三十号","三十一号"];
var weekText=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
var hourText=["零点","零一点","零两点","零三点","零四点","零五点","零六点","零七点","零八点","零九点","零十点","十一点","十二点","十三点","十四点","十五点","十六点","十七点","十八点","十九点","二十点","二十一点","二十二点","二十三点"];
var minuteText=["零一分","零二分","零三分","零四分","零五分","零六分","零七分","零八分","零九分","零十分","十一分","十二分","十三分","十四分","十五分","十六分","十七分","十八分","十九分","二十分","二十一分","二十二分","二十三分","二十四分","二十五分","二十六分","二十七分","二十八分","二十九分","三十分","三十一分","三十二分","三十三分","三十四分","三十五分","三十六分","三十七分","三十八分","三十九分","四十分","四十一分","四十二分","四十三分","四十四分","四十五分","四十六分","四十七分","四十八分","四十九分","五十分","五十一分","五十二分","五十三分","五十四分","五十五分","五十六分","五十七分","五十八分","五十九分","六十分"];
var secondsText = ["零一秒", "零二秒", "零三秒", "零四秒", "零五秒", "零六秒", "零七秒", "零八秒", "零九秒", "零十秒", "十一秒", "十二秒", "十三秒", "十四秒", "十五秒", "十六秒", "十七秒", "十八秒", "十九秒", "二十秒", "二十一秒", "二十二秒", "二十三秒", "二十四秒", "二十五秒", "二十六秒", "二十七秒", "二十八秒", "二十九秒", "三十秒", "三十一秒", "三十二秒", "三十三秒", "三十四秒", "三十五秒", "三十六秒", "三十七秒", "三十八秒", "三十九秒", "四十秒", "四十一秒", "四十二秒", "四十三秒", "四十四秒", "四十五秒", "四十六秒", "四十七秒", "四十八秒", "四十九秒", "五十秒", "五十一秒", "五十二秒", "五十三秒", "五十四秒", "五十五秒", "五十六秒", "五十七秒", "五十八秒", "五十九秒", "六十秒"];
var clock;var monthList=[];
var dayList=[];
var weekList=[];
var hourList=[];
var minuteList=[];
var secondsList=[];
var isCircle=false;
var textSet=[[monthText,monthList],
[dayText,dayList],
[weekText,weekList],
[hourText,hourList],
[minuteText,minuteList],
[secondsText,secondsList]];
window.onload=function()
{ 

init();
setInterval(function()
{ 
runTime();
},100);
changePosition();
setTimeout(function()
{ 
changeCircle();
},2000);
}
function init()
{ 
clock=document.getElementById('clock');
for(var i=0;
i<textSet.length;i++)
{ 
for(var j=0;j<textSet[i][0].length;j++)
{ 
var temp=createLabel(textSet[i][0][j]);
clock.appendChild(temp);textSet[i][1].push(temp);
}
}
}
function createLabel(text)
{ 

var div=document.createElement('div');
div.classList.add('label');
div.innerText=text;return div;
}
function runTime()
{ 

var now=new Date();
var month=now.getMonth();
var day=now.getDate();
var week=now.getDay();
var hour=now.getHours();
var minute=now.getMinutes();
var seconds=now.getSeconds();
initStyle();
var nowValue=[month,day-1,week,hour,minute-1,seconds-1];
for(var i=0;
i<nowValue.length;
i++)
{ 
var num=nowValue[i];
textSet[i][1][num].style.color='#fff';
}
if(isCircle)
{ 
var widthMid=document.body.clientWidth/2;
var heightMid=document.body.clientHeight/2;
for(var i=0;
i<textSet.length;
i++){ 
for(var j=0;
j<textSet[i][0].length;
j++){ 
var r=(i+1)*35+50*i;
var deg=360/textSet[i][1].length*(j-nowValue[i]);
var x=r*Math.sin(deg*Math.PI/180)+widthMid;
var y=heightMid-r*Math.cos(deg*Math.PI/180);
var temp=textSet[i][1][j];
temp.style.transform='rotate('+(-90+deg)+'deg)';
temp.style.left=x+'px';
temp.style.top=y+'px';
}
}
}
}
function initStyle()
{ 
var label=document.getElementsByClassName('label');
for(var i=0;
i<label.length;i++)
{ 
label[i].style.color='#4d4d4d';
}
}
function changePosition()
{ 

for(let i=0;i<textSet.length;
i++)
{ 

for(let j=0;
j<textSet[i][1].length;
j++){ 

let tempX=textSet[i][1][j].offsetLeft+"px";
let tempY=textSet[i][1][j].offsetTop+"px";
setTimeout(function(){ 

textSet[i][1][j].style.position="absolute";
textSet[i][1][j].style.left=tempX;textSet[i][1][j].style.top=tempY;
},50);
}
}
}
function changeCircle()
{ 

isCircle=true;
clock.style.transform="rotate(90deg)";
}