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非常厉害的javascript 实现指针式时间

时间：2021-07-01 10:21:17 帮助过：24人阅读

<html xmlns:v="urn:schemas-microsoft-com:vml"> 
<script defer> 
function clock () { 
var nowtime=new Date() 
nowhour=nowtime.getHours() 
if (nowhour>=12)  
 nowhour-=12 
nowminute=nowtime.getMinutes() 
nowsecond=nowtime.getSeconds() 
nowmill=nowtime.getMilliseconds() 
var harc,marc,sarc,mmarc 
harc=(nowhour+nowminute/60+nowsecond/3600+nowmill/3600000)*30 
marc=(nowminute+nowsecond/60+nowmill/60000)*6 
sarc=(nowsecond+nowmill/1000)*6 
//角度的字符串 
nh=(180-harc)*Math.PI/180 
harcT=Math.sin(nh)*250+500 
harcL=Math.cos(nh)*250+500 
harcStr=harcT+","+harcL 
document.all.hourline.to.value=harcStr 
//分钟的字符串 
nm=(180-marc)*Math.PI/180 
marcT=Math.sin(nm)*350+500 
marcL=Math.cos(nm)*350+500 
marcStr=marcT+","+marcL 
document.all.minuteline.to.value=marcStr 
//秒的字符串 
sm=(180-sarc)*Math.PI/180 
sarcT=Math.sin(sm)*400+500 
sarcL=Math.cos(sm)*400+500 
sarcStr=sarcT+","+sarcL 
document.all.secondline.to.value=sarcStr 
document.all.txt.innerHTML="现在时间是："+nowtime.getHours()+":"+nowtime.getMinutes()+":"+nowtime.getSeconds() 
setTimeout("clock()","50") 
} 
</script> 
<STYLE> 
v\:* { Behavior: url(#default#VML) } 
</STYLE> 
<body onLoad="clock()"><v:group id="clock" Coordsize="1000,1000" style="width:200;height:200;position:relative"> 
<v:Oval id="outercircle" style="width:1000;height:1000;z-index:10;" fillcolor="gray" /> 
<v:oval id="innercircle" style="position:relative;top:75;left:75;width:850;height:850;z-index:15" fillcolor="white" /> 
<v:line id="hourline" style="position:relative;z-index:20" from="500,500" to="800,800" strokeColor="gray"> 
 <v:stroke startarrow="oval" endarrow="classic" dashstyle="Dot" strokeColor="red" /> 
</v:line> 
<v:line id="minuteline" style="position:relative;z-index:20" from="500,500" to="500,900" strokeColor="black"> 
 <v:stroke endarrow="classic" dashstyle="Dot"/> 
</v:line> 
<v:line id="secondline" style="position:relative;z-index:20" from="500,500" to="400,900" strokeColor="black"> 
 <v:stroke endarrow="classic" dashstyle="Dot"/> 
</v:line> 
<span style="position:relative;top:0;left:92;z-index:25">12</span> 
<span style="position:relative;top:93;left:169;z-index:25">3</span> 
<span style="position:relative;top:185;left:67;z-index:25">6</span> 
<span style="position:relative;top:93;left:-40;z-index:25">9</span> 
<v:/group> 
 
</body> 
</html>

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非常厉害的javascript 实现指针式时间

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