/*backtest
  start: 2017-10-01
  end: 2018-01-01
  period: 60
  mode: 2
*/
function dateFormat(date, format) {
   var o = {
       "M+": date.getMonth() + 1, //月份
       "d+": date.getDate(), //日
       "h+": date.getHours(), //小时