JS实现倒计时(天数,时,分,秒)
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" >
<title>JS实现倒计时(天数,时,分,秒)</title>
<link rel="stylesheet" type="text/css" href="../css/reset.css">
<link rel="stylesheet" type="text/css" href="../css/index.css"></head>
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<img src="../images/btlogo.png" class="logo">
<div id="carousel">
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<div name="tablink" ><img src="../images/1.png"></div>
<div name="tablink" ><img src="../images/2.png"></div>
<div name="tablink" ><img src="../images/3.png"></div>
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<div class="content">
<div class="title1">
<span class="ccga"> CCGA </span>
<span class="ccganame">发布</span>
</div>
<div id="timer"></div>
<div id="localtime"></div>
</div>
<audio controls="true" autoplay="true" loop="loop">
<source src="../media/2.mp3" type="audio/mpeg" />
</audio>
<!-- <embed src="media/1.mp3" hidden="true" autostart="true" loop="loop"> -->
<script language="javascript" type="text/javascript">
function leftTimer(year,month,day,hour,minute,second){
var leftTime = (new Date(year,month-1,day,hour,minute,second)) - (new Date()); //计算剩余的毫秒数
var days = parseInt(leftTime / 1000 / 60 / 60 / 24 , 10); //计算剩余的天数
var hours = parseInt(leftTime / 1000 / 60 / 60 % 24 , 10); //计算剩余的小时
var minutes = parseInt(leftTime / 1000 / 60 % 60, 10);//计算剩余的分钟
var seconds = parseInt(leftTime / 1000 % 60, 10);//计算剩余的秒数
days = checkTime(days);
hours = checkTime(hours);
minutes = checkTime(minutes);
seconds = checkTime(seconds);
setTimeout("leftTimer(2018,04,28,17,30,61)",1000);
document.getElementById("timer").innerHTML = "倒计时: " +days+" 天 " + hours+" 时 " + minutes+" 分 "+seconds+" 秒 ";
}
function checkTime(i){ //将0-9的数字前面加上0，例1变为01
if(i<10)
{
i = "0" + i;
}
return i;
}
function div_tab(tabName){
var tabLinkArr=document.getElementsByName("tablink");
var tabPicArr=document.getElementById("tabpic").getElementsByTagName("div");
for(var i=0;i<tabLinkArr.length;i++){
if(i==tabName){
tabLinkArr[i].style.color="#ff0000";
tabPicArr[i].style.display="block";
} else{
tabLinkArr[i].style.color="#0000ff";
tabPicArr[i].style.display="none";
}
}
}
var i=0;
function auto_tab_div(){
//如果切換到最後一張圖片則重新從第一張開始
if(i>2){
i=0;
}
//每5秒自動讀取下一張圖片
div_tab(i);
i++;
setTimeout(auto_tab_div,5000);
}
$(leftTimer);
$(auto_tab_div);
function showLocale(objD){
var str,colorhead,colorfoot;
var yy = objD.getYear();
if(yy<1900) yy = yy+1900;
var MM = objD.getMonth()+1;
if(MM<10) MM = ‘0‘ + MM;
var dd = objD.getDate();
if(dd<10) dd = ‘0‘ + dd;
var hh = objD.getHours();
if(hh<10) hh = ‘0‘ + hh;
var mm = objD.getMinutes();
if(mm<10) mm = ‘0‘ + mm;
var ss = objD.getSeconds();
if(ss<10) ss = ‘0‘ + ss;
var ww = objD.getDay();
if ( ww==0 ) colorhead="<font>";
if ( ww > 0 && ww < 6 ) colorhead="<font>";
if ( ww==6 ) colorhead="<font>";
if (ww==0) ww="星期日";
if (ww==1) ww="星期一";
if (ww==2) ww="星期二";
if (ww==3) ww="星期三";
if (ww==4) ww="星期四";
if (ww==5) ww="星期五";
if (ww==6) ww="星期六";
colorfoot="</font>"
str = colorhead + "当前时间: " + yy + "年" + MM + "月" + dd + "日" + hh + "时" + mm + "分" + ss + "秒 " + ww + colorfoot;
return(str);
}
function tick(){
var today;
today = new Date();
document.getElementById("localtime").innerHTML = showLocale(today);
window.setTimeout("tick()", 1000);
}
tick();
</script></body>
</html>
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