const formatTime = date => {
  const year = date.getFullYear()
  const month = date.getMonth() + 1
  const day = date.getDate()
  const hour = date.getHours()
  const minute = date.getMinutes()
  const second = date.getSeconds()

  return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}

const formatNumber = n => {
  n = n.toString()
  return n[1] ? n : '0' + n
}
//时间戳转时间
function formatDate(time, flag) {
	const t = new Date(time); 
	const tf = function(i){return (i < 10 ? '0' : '') + i};
	const year = t.getFullYear();
	const month = tf(t.getMonth() + 1);
	const day = tf(t.getDate());
	const hour = tf(t.getHours());
	const minute = tf(t.getMinutes());
	//console.log( month + '月' + day + '日' + hour + ':' + minute);
	if(flag == 1) {
		return  month + '月' + day + '日' + ' ' + hour + ':' + minute;
	}else if(flag == 2) {
		return year + '-' + month + '-' + day
	}else if(flag == 3){
		return month + '-' + day + ' ' + hour + ':' + minute;
	}
}
module.exports = {
  formatTime: formatTime,
  formatDate
}