Js将序列化成Json格式后日期（毫秒数）转成日期格式

//将序列化成Json格式后日期（毫秒数）转成日期格式[/Date(1539100800000)/]
function changeDateFormat(cellval) {
var date = new Date(parseInt(cellval.replace("/Date(", "").replace(")/", ""), 10));//获取到1539100800000
//date.getMonth() + 1 一月 01
var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
var currentDate = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
return date.getFullYear() + "-" + month + "-" + currentDate;
}