Newtonsoft.Json的时间格式是"//Date(353521212046+0800)//"
前台页面用javascript转换
function ChangeDateFormat(cellval)
{
var date =newDate(parseInt(cellval.replace("/Date(","").replace(")/",""), 10));
var month = date.getMonth() + 1 < 10 ?"0" + (date.getMonth() + 1) : date.getMonth() + 1;
var currentDate = date.getDate() < 10 ?"0" + date.getDate() : date.getDate();
returndate.getFullYear() + "-"+ month + "-"+ currentDate;
}