一個(gè)很好用的js倒計(jì)時(shí)！網(wǎng)頁(yè)實(shí)時(shí)倒計(jì)時(shí)，精確到秒級(jí)，和天數(shù)倒計(jì)時(shí)原理一樣。js倒計(jì)時(shí)一般用于商城網(wǎng)站團(tuán)購(gòu)，特賣(mài)，很多地方都可用到！希望能夠給大家?guī)?lái)幫助！

效果如下：

復(fù)制代碼代碼如下:

 
<!DOCTYPE html> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<style type="text/css"> 
.leave_time_font{margin-left:35%;} 
#fo{margin-left:32%;} 
</style> 
<title>WoYaoNi.CN-倒計(jì)時(shí)</title> 
</head> 
<body> 
<h1>WoYaoNi.CN </h1> 
<script src="./jquery.js"></script> 
<script type="text/javascript"> 
$(document).ready(function(e) { 
var _countSeconds = 0; 
function _countDown(){ 
_countSeconds ++; 
$('input.surplustime').each(function(index, element) { 
var $this = $(this); 
var _totalTime = Number($this.val()) - _countSeconds; 
var _day = parseInt(_totalTime/86400); 
var _hours = parseInt(_totalTime%86400/3600); 
var _minutes = parseInt(_totalTime%86400%3600/60); 
var _seconds = parseInt(_totalTime%86400%3600%60); 
var _strLite = '<span class="day">'+_day+'</span>天<span class="hour">'+_hours+'</span>小時(shí)<span class="minutes">'+_minutes+'</span>分<span class="seconds">'+_seconds+'</span>秒'; 
var _str = '倒計(jì)時(shí)：'+_strLite; 
if($this.next('p.daojishi').length > 0){ 
$this.next('p.daojishi').html(_str); 
}else if($this.next('p.leave_time_font').length > 0){ 
$this.next('p.leave_time_font').html(_strLite); 
} 
}); 
} 
setInterval(_countDown, 1000); 
}) 
</script> 
</head> 
<body> 
<?php 
ini_set('date.timezone','Asia/Shanghai'); 
$currenttime = time(); 
$a = strtotime('2014-2-14 00:00'); 
$b = $a-$currenttime; 
?> 

<div id="djs"> 
<div id="fo">小伙伴們距離情人節(jié)只剩：</div> 
<input type="hidden" name="surplustime" class="surplustime" value="<?php echo $b; ?>" /> 
<p class="leave_time_font"><span class="day">0</span>天<span class="hour">0</span>小時(shí)<span class="minutes">0</span>分<span class="seconds">0</span>秒</p> 
</div> 
</body> 
</html> 