//日期转时间戳
function transdate(time){var date = new Date();date.setFullYear(time.substring(0, 4));date.setMonth(time.substring(5, 7) - 1);date.setDate(time.substring(8, 10));date.setHours(time.substring(11, 13));date.setMinutes(time.substring(14, 16));date.setSeconds(time.substring(17, 19));return Date.parse(date) / 1000;
}
console.log(transdate("2018-05-28 23:24:12"));

运行结果

1527521052