const date = new Date('2032-01-27 5:38:13:123');
const time1 = date.getTime(); //会精确到毫秒
const time2 = date.valueOf(); //会精确到毫秒
const time3 = Date.parse(date); //只能精确到秒，毫秒用000替代
console.log(time1); //1958765893123
console.log(time2); //1958765893123
console.log(time3); //1958765893000

// 把时间日期转成时间戳
getTimestamp(time) {
	const getDay = new Date(time.replace(/-/g, '/')).getTime(); // new Date(time).getTime()兼容IOS
	return getDay;
},

console.log(this.getTimestamp('2020-03-28 00:00:00')); // 1585324800000