/**
* 获取时间格式为：1970-01-01 00:00
* @param {参数} params
* 属性 类型 默认值 必填 说明
* date Date new Date() 否 Date对象
* ms int 0 否 获取距当前ms毫秒时间
* dateFormat String / 否 日期分隔符
* timeFormat string : 否 时间分隔符
*
*/
const formatTime = (params) => {
const ms = (!params.ms ? 0 : params.ms);
const date = !params.data ? new Date(new Date().getTime() + ms) : new Date(params.date.getTime() + ms);
const year = date.getFullYear();
const month = date.getMonth() + 1;
const day = date.getDate();
const hour = date.getHours();
const minute = date.getMinutes();
const second = date.getSeconds();
const dateFormat = (!params.dateFormat) ? "/" : params.dateFormat;
const timeFormat = (!params.timeFormat) ? ":" : params.timeFormat;
return [year, month, day].map(formatNumber).join(dateFormat) + ' ' + [hour, minute, second].map(formatNumber).join(timeFormat);
} const formatNumber = n => {
n = n.toString();
return n[1] ? n : '0' + n;
}
测试案例：
<!DOCTYPE html>
<html> <head>
<meta charset="utf-8" name="viewport" content="width=device-width;initscale=1.0" />
<title>js获取当前/未来时间</title>
</head> <body>
<h1>5分钟前时间：<span id="beforeFiveMinuteTime"></span></h1>
<h1>当前时间：<span id="nowTime"></span></h1>
<h1>5分钟后时间：<span id="afterFiveMinuteTime"></span></h1> <script type="text/javascript">
/**
* 获取时间格式为：1970-01-01 00:00
* @param {参数} params
* 属性 类型 默认值 必填 说明
* date Date new Date() 否 Date对象
* ms int 0 否 获取距当前ms毫秒时间
* dateFormat String / 否 日期分隔符
* timeFormat string : 否 时间分隔符
*
*/
const formatTime = (params) => {
const ms = (!params.ms ? 0 : params.ms);
const date = !params.data ? new Date(new Date().getTime() + ms) : new Date(params.date.getTime() + ms);
const year = date.getFullYear();
const month = date.getMonth() + 1;
const day = date.getDate();
const hour = date.getHours();
const minute = date.getMinutes();
const second = date.getSeconds();
const dateFormat = (!params.dateFormat) ? "/" : params.dateFormat;
const timeFormat = (!params.timeFormat) ? ":" : params.timeFormat;
return [year, month, day].map(formatNumber).join(dateFormat) + ' ' + [hour, minute, second].map(formatNumber).join(timeFormat);
} const formatNumber = n => {
n = n.toString();
return n[1] ? n : '0' + n;
} window.onload = () => {
document.getElementById("beforeFiveMinuteTime").innerHTML = formatTime({
date: new Date(),
ms: -5 * 60 * 1000,
dateFormat: "-"
}); document.getElementById("nowTime").innerHTML = formatTime({
date: new Date(),
timeFormat: "/"
});
document.getElementById("afterFiveMinuteTime").innerHTML = formatTime({
date: new Date(),
ms: 5 * 60 * 1000
});
}
</script> </body> </html>
结果：
