formatDateTime(date){ let y = date.getFullYear(); let m = date.getMonth() + 1; m = m < 10 ? ('0' + m) : m; let d = date.getDate(); d = d < 10 ? ('0' + d) : d; let h = date.getHours(); h=h < 10 ? ('0' + h) : h; let minute = date.getMinutes(); minute = minute < 10 ? ('0' + minute) : minute; let second=date.getSeconds(); second=second < 10 ? ('0' + second) : second; return y + '-' + m + '-' + d+' '+h+':'+minute+':'+second; }