时间处理

正常显示:

XX年XX月XX日 XX:XX:XX 以及星期

//时间显示
	window.onload = function(){
		showTime();
	}
	function checkTime(i){
		if(i<10){
			i = "0" + i;
		}
		return i;
	}
	function showTime(){
		var myDate = new Date();
		var year = myDate.getFullYear();
		var month = myDate.getMonth()+1;
		var date = myDate.getDate();
		var d = myDate.getDay();
		var weekday = new Array(7)
		weekday[0] = "星期日"
		weekday[1] = "星期一"
		weekday[2] = "星期二"
		weekday[3] = "星期三"
		weekday[4] = "星期四"
		weekday[5] = "星期五"
		weekday[6] = "星期六"
		var h = myDate.getHours();
		var m = myDate.getMinutes();
		var s = myDate.getSeconds();
		m = checkTime(m);
		s = checkTime(s);
		document.getElementById('div1').innerHTML = year +'年'+ month +'月'+ date +'日'+ weekday[d] +h+ ':' +m+ ':' +s;
		setTimeout(showTime,500);
	}

倒计时天数：

代码

window.onload = function(){
	var curtime = new Date();
	var endtime = new Date("2015,7,30");
	var lefttime = Math.ceil((endtime.getTime() - curtime.getTime())/(24*60*60*1000));
	document.getElementById('div1').innerHTML = lefttime;
}

限时抢购时间

代码：

window.onload = function(){
	showtime();
}
function showtime(){
	var endtime = new Date("2014,8,15");
	var nowtime = new Date();
	var lefttime = parseInt((endtime.getTime()-nowtime.getTime())/1000);
	var d = parseInt(lefttime/(24*60*60));
	var h = parseInt(lefttime/(60*60)%24);
	var m = parseInt(lefttime/60%60);
	var s = parseInt(lefttime%60);
	document.getElementById('div1').innerHTML = d +'天'+ h +'小时'+ m +'分钟'+ s +'秒';
	if(lefttime <=0){
		document.getElementById('div1').innerHTML = "抢购已结束";
	}
	setTimeout(showtime,500);
}