javascript - 毫秒数怎么转换为XX小时XX分钟
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问题描述
问 题
现在巳知毫秒数为-60850977,怎么转换为还剩XX小时XX分钟?
我使用:
function timeFormat( timestamp, string ){
var time = "";
var dateTime = new Date(timestamp);
var year = dateTime.getFullYear();
var month = dateTime.getMonth()+1;
var date = dateTime.getDate();
var hours = dateTime.getHours();
var minutes = dateTime.getMinutes();
var seconds = dateTime.getSeconds();
month = month<10 ? "0"+month : month;
date = date<10 ? "0"+date : date;
seconds = seconds<10 ? "0"+seconds : seconds;
hours = hours<10 ? "0"+hours : hours;
minutes = minutes<10 ? "0"+minutes : minutes;
seconds = seconds<10 ? "0"+seconds : seconds;
switch (string) {
case "yyyy-mm-dd":
time = year + "-" + month + "-" + date;
break;
case "yyyy-mm-dd hh:mm":
time = year + "-" + month + "-" + date + " " + hours + ":" + minutes;
break;
case "yyyy-mm-dd hh:mm:ss":
time = year + "-" + month + "-" + date + " " + hours + ":" + minutes + ":" + seconds;
break;
case "yyyy/mm/dd":
time = year + "/" + month + "/" + date;
break;
case "hh:mm:ss":
time = hours + ":" + minutes + ":" + seconds;
break;
default:
time = year + "-" + month + "-" + date;
}
return time;
}
timeFormat(-60850977,"hh:mm:ss"),使用这个方法后还是无法转换。请问是怎么回事?
解决方案
测试了一下,代码没毛病。。。。
不过可以简化一下,写的太啰嗦了;
function toStr(n) {
n = n.toString();
return n[1] ? n : '0' + n;
}
switch (string) {
case "yyyy-mm-dd":
time = [year, month, date].map(toStr).join('-');
break;
...
}
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