效果展示：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
</body>
<script>
window.onload = function() {
var interVal = setInterval(function(){
var endTime = 1558598070;
if(endTime <= Date.parse(new Date())/1000){
clearInterval(interVal);
}else{
var timeStr = timeInterval(endTime);
console.log(timeStr);
}
},1000);
// timeInterval2(1558596900)
}
var timeInterval = function(endTime){
var nowTime = Date.parse(new Date()); // 获取现在的时间的时间戳
var time = endTime - nowTime/1000; //时间差：
var day = 0,
hour = 0,
minute = 0,
second = 0,
result = '';
if (time >= 0) {
day = Math.floor(time / (60 * 60 * 24)); //相差天數
hour = Math.floor(time / (60 * 60))-day * 24; //相差小时
minute = Math.floor(time % 3600 / 60); //相差分钟
second = Math.floor(time % 3600 % 60);
if (day<=9) {day = "0" + day;}
if (hour<=9) {hour = "0" + hour;}
if (minute<=9) {minute = "0" + minute;}
if (second<=9) {second = "0" + second;}
result = day + "天" + hour + ":" + minute + ":" + second;
return result;
}
}
var timeInterval2 = function(endTime){
var intervalName = setInterval(function(){
var nowTime = Date.parse(new Date()); // 获取现在的时间的时间戳
var time = endTime - nowTime/1000; //时间差：
var day = 0,
hour = 0,
minute = 0,
second = 0,
result = '';
if (time >= 0) {
day = Math.floor(time / (60 * 60 * 24)); //相差天數
hour = Math.floor(time / (60 * 60))-day * 24; //相差小时
minute = Math.floor(time % 3600 / 60); //相差分钟
second = Math.floor(time % 3600 % 60);
if (day<=9) {day = "0" + day;}
if (hour<=9) {hour = "0" + hour;}
if (minute<=9) {minute = "0" + minute;}
if (second<=9) {second = "0" + second;}
result = day + "天" + hour + ":" + minute + ":" + second;
console.log(result);
}
if(day==0 && hour==0 && minute==0 && second==0){
clearInterval(intervalName);
}
},1000);
}
</script>
</html>