倒计时模块(获取的是服务器上的时间——适合购物网站的抢购模块)

JS部分
/*ajax请求服务器当前时间*/function servertiems() {
varA=null;
try {
A=newActiveXObject("Msxml2.XMLHTTP")
} catch(e) {
try {
A=newActiveXObject("Microsoft.XMLHTTP")
} catch(oc) {
A=null}
}
if( !A &&typeofXMLHttpRequest != "undefined" ) {
A=new XMLHttpRequest()
}
return A
}
var NowTime;
vartm = servertiems();
varstrData="https://www.it610.com/article/auto="+new Date().toString();
tm.onreadystatechange = callback_st;
tm.open("GET","http://您的服务器输出地址",false); //服务器输出格式如:{"time": "2016/4/29 11:24:11"}tm.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
tm.send(strData);
function callback_st(){
if(tm.readyState==4 && tm.status==200){
varresult = tm.responseText;
varjson = eval("(" + result + ")");
NowTime=json.time; //获取到服务器当前时间
}
}vartoday=new Date(NowTime).getTime(); varnow =new Date().getTime(); vardiff = (now - today); function show_date_timezj(timesxx,xid){
window.setTimeout(function(){show_date_timezj(timesxx,xid)},20);
BirthDay=newDate(timesxx); //设置日期varnow_fun =new Date().getTime(); vartodayx=now_fun - diff;
timeold=(BirthDay - now_fun + diff );
sectimeold=timeold/1000; secondsold=Math.floor(sectimeold);
msPerDay=86400000; //*天数e_daysold=timeold/msPerDay; daysold=Math.floor(e_daysold); //*小时e_hrsold=(e_daysold-daysold)*24;
hrsold=Math.floor(e_hrsold);
e_minsold=(e_hrsold-hrsold)*60;
minsold=Math.floor((e_hrsold-hrsold)*60);
e_seconds = (e_minsold-minsold)*60;
seconds=Math.floor((e_minsold-minsold)*60);
ms = e_seconds-seconds;
ms =new String(ms)
ms = ms.substr(2,3); if(daysold>=0){
document.getElementById(xid).innerHTML="距离开始时间还有: "+(daysold<10?'0'+daysold:daysold)+"天"+""+(hrsold<10?'0'+hrsold:hrsold)+"小时"+""+(minsold<10?'0'+minsold:minsold)+"分"+""+(seconds<10?'0'+seconds:seconds)+"秒"+""+ms+"";
}else{
document.getElementById(xid).innerHTML='';
document.getElementById(xid).nextSibling.className='';
【倒计时模块(获取的是服务器上的时间——适合购物网站的抢购模块)】}
}


HTML部分
进入进入进入


JS调用
varspank1=newshow_date_timezj("05/06 /2015 19:30:00","span_k1"); varspank2=newshow_date_timezj("05/07 /2015 09:00:00","span_k2"); varspank3=newshow_date_timezj("05/08 /2015 19:00:00","span_k3");

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