我正在为我的网站倒计时。我们在每天16:00之前提供当天发货。我需要一个计数器，每天16:00倒计时。 最后，我将修改代码，使其在周末根本不显示，但就目前而言，我所需要的只是每天都可以倒计时的东西。 16:00后消失，从00:00开始新鲜倒计时
以下是我到目前为止的代码。
<?php
if (new DateTime() < new DateTime("16:00:00")) {
?>
<script type="text/javascript">
var CDown = function() {
this.state=0;// if initialized
this.counts=[];// array holding countdown date objects and id to print to {d:new Date(2013,11,18,18,54,36), id:"countbox1"}
this.interval=null;// setInterval object
}
CDown.prototype = {
init: function(){
this.state=1;
var self=this;
this.interval=window.setInterval(function(){self.tick();}, 1000);
},
add: function(date,id){
this.counts.push({d:date,id:id});
this.tick();
if(this.state==0) this.init();
},
expire: function(idxs){
for(var x in idxs) {
this.display(this.counts[idxs[x]], "Now!");
this.counts.splice(idxs[x], 1);
}
},
format: function(r){
var out="";
if(r.d != 0){out += r.d +" "+((r.d==1)?"day":"days")+", ";}
if(r.h != 0){out += r.h +" "+((r.h==1)?"hour":"hours")+", ";}
out += r.m +" "+((r.m==1)?"min":"mins")+", ";
out += r.s +" "+((r.s==1)?"sec":"secs")+", ";
return out.substr(0,out.length-2);
},
math: function(work){
var y=w=d=h=m=s=ms=0;
ms=(""+((work%1000)+1000)).substr(1,3);
work=Math.floor(work/1000);//kill the "milliseconds" so just secs
y=Math.floor(work/31536000);//years (no leapyear support)
w=Math.floor(work/604800);//weeks
d=Math.floor(work/86400);//days
work=work%86400;
h=Math.floor(work/3600);//hours
work=work%3600;
m=Math.floor(work/60);//minutes
work=work%60;
s=Math.floor(work);//seconds
return {y:y,w:w,d:d,h:h,m:m,s:s,ms:ms};
},
tick: function(){
var now=(new Date()).getTime(),
expired=[],cnt=0,amount=0;
if(this.counts)
for(var idx=0,n=this.counts.length; idx<n; ++idx){
cnt=this.counts[idx];
amount=cnt.d.getTime()-now;//calc milliseconds between dates
// if time is already past
if(amount<0){
expired.push(idx);
}
// date is still good
else{
this.display(cnt, this.format(this.math(amount)));
}
}
// deal with any expired
if(expired.length>0) this.expire(expired);
// if no active counts, stop updating
if(this.counts.length==0) window.clearTimeout(this.interval);
},
display: function(cnt,msg){
document.getElementById(cnt.id).innerHTML=msg;
}
};
window.onload=function(){
var cdown = new CDown();
cdown.add(new Date(2015,9,16,16,00,00), "countbox1");
};
</script>
<span style="font-size:30px;"><div id="countbox1"></div></span>
<?php } ?>
答案 0 :(得分：0)
这里的概念测试 将变量countDownTo更改为第8,103和109行的当前小时 更改第133行的变量分钟
<?php if (new DateTime() < new DateTime( "16:00:00")) { ?>
<script type="text/javascript">
var check = 0;
/*set the countdown hour*/
var countDownTo = 16;
var CDown = function() {
this.state = 0; // if initialized
this.counts = []; // array holding countdown date objects and id to print to {d:new Date(2013,11,18,18,54,36), id:"countbox1"}
this.interval = null; // setInterval object
}
CDown.prototype = {
init: function() {
this.state = 1;
var self = this;
this.interval = window.setInterval(function() {
self.tick();
}, 1000);
},
add: function(date, id) {
this.counts.push({
d: date,
id: id
});
this.tick();
if (this.state == 0) this.init();
},
expire: function(idxs) {
for (var x in idxs) {
this.display(this.counts[idxs[x]], "Now!");
this.counts.splice(idxs[x], 1);
}
},
format: function(r) {
var out = "";
if (r.d != 0) {
out += r.d + " " + ((r.d == 1) ? "day" : "days") + ", ";
}
if (r.h != 0) {
out += r.h + " " + ((r.h == 1) ? "hour" : "hours") + ", ";
}
out += r.m + " " + ((r.m == 1) ? "min" : "mins") + ", ";
out += r.s + " " + ((r.s == 1) ? "sec" : "secs") + ", ";
return out.substr(0, out.length - 2);
},
math: function(work) {
var y = w = d = h = m = s = ms = 0;
ms = ("" + ((work % 1000) + 1000)).substr(1, 3);
work = Math.floor(work / 1000); //kill the "milliseconds" so just secs
y = Math.floor(work / 31536000); //years (no leapyear support)
w = Math.floor(work / 604800); //weeks
d = Math.floor(work / 86400); //days
work = work % 86400;
h = Math.floor(work / 3600); //hours
work = work % 3600;
m = Math.floor(work / 60); //minutes
work = work % 60;
s = Math.floor(work); //seconds
return {
y: y,
w: w,
d: d,
h: h,
m: m,
s: s,
ms: ms
};
},
tick: function() {
var now = (new Date()).getTime(),
expired = [],
cnt = 0,
amount = 0;
if (this.counts)
for (var idx = 0, n = this.counts.length; idx < n; ++idx) {
cnt = this.counts[idx];
amount = cnt.d.getTime() - now; //calc milliseconds between dates
// if time is already past
if (amount < 0) {
expired.push(idx);
}
// date is still good
else {
this.display(cnt, this.format(this.math(amount)));
}
}
// deal with any expired
if (expired.length > 0) this.expire(expired);
// if no active counts, stop updating
if (this.counts.length == 0) window.clearTimeout(this.interval);
},
display: function(cnt, msg) {
if (msg == `Now!`) {
check = 1;
msg = ``;
var cdown = new CDown();
var currentdate = new Date();
var year = currentdate.getFullYear();
var month = currentdate.getMonth();
var day = currentdate.getDate() + 1;
var currenthour = currentdate.getHours();
/*perform check here*/
if (countDownTo == 16) {
countDownTo = 0;
} else {
countDownTo = 16;
}
var hour = countDownTo;
var minute = 0;
var second = 0;
cdown.add(new Date(year, month, day, hour, minute, second), "countbox1");
} else {
check = 0;
}
if (countDownTo == 0) msg = ``;
document.getElementById(cnt.id).innerHTML = msg;
}
};
window.onload = function() {
var cdown = new CDown();
var currentdate = new Date();
var year = currentdate.getFullYear();
var month = currentdate.getMonth();
var day = currentdate.getDate();
var hour = countDownTo;
var minute = 0;
var second = 0;
cdown.add(new Date(year, month, day, hour, minute, second), "countbox1");
};
</script>
<span style="font-size:30px;"><div id="countbox1"></div></span>
<?php } ?>
答案 1 :(得分：-2)
您可以使用cron job，每24小时重置一次变量。