版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/pengpengpeng85/article/details/70272729
1、日期轉換為時間戳，（如果日期格式為時間戳，將其轉為日期類型，否則輸出傳入的數據）
// 如果時間格式為時間戳，將其轉為日期
function timestampToDate(timestamp) {
// 將數據類型轉為字符串
if (timestamp && /^[0-9]*[0-9][0-9]*$/.test(timestamp) && (timestamp.toString().length == 10 || timestamp.toString().length == 13)) {
timestamp = parseInt(timestamp);
if (timestamp.toString().length == 10) {
timestamp = timestamp * 1000;
}
var date = new Date(timestamp);
Y = date.getFullYear();
M = (date.getMonth() + 1 < 10 ? '0'+(date.getMonth() + 1) : date.getMonth() + 1);
D = date.getDate();
return Y+"-"+M+"-"+D;
}
return timestamp;
}2、時間戳轉換為日期
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Date对象</title>
</head>
<body>
<script>
var date = new Date(1398250549123); //传个时间戳过去就可以了
Y = date.getFullYear() + '-';
M = (date.getMonth()+1 < 10 ? '0'+(date.getMonth()+1) : date.getMonth()+1) + '-';
D = date.getDate() + ' ';
h = date.getHours() + ':';
m = date.getMinutes() + ':';
s = date.getSeconds()+ ':';
ss = date.getMilliseconds();
console.log(Y+M+D+h+m+s+ss); //2014-04-23 18:55:49:123
</script>
</body>
</html>日期轉換為時間戳
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Date对象</title>
</head>
<body>
<script>
var date = new Date('2014-04-23 18:55:49:123');//可以传时间，也可以不传，不传的话就是默认的当前时间
time1 = date.getTime();
time2 = date.valueOf();
time3 = Date.parse(date);
console.log(time1); //1398250549123
console.log(time2); //1398250549123
console.log(time3); //1398250549000
</script>
</body>