function dateToString(val){
	function addZero(num) {
		return num < 10 ? "0" + num : num;
	}
	let date = new Date(val)
	let year = date.getFullYear()
	let month = date.getMonth()+1
	let day = date.getDate()
	let hour = date.getHours()
	let min = addZero(date.getMinutes())
	return year+"-"+month+"-"+day+" "+hour+":"+min;
}

export default{
	dateToString
}