/** * @param {number} days - 要倒退的天数 * @returns {array} */function func (days) {	if(days == '' || days == null || days == undefined || typeof days != "number"){		return false;	}	var res = [];//返回数据	var today = new Date().getTime();//今天	for(var i = 0; i < days; i++){		var _day = new Date(today - 86400000 * i),			year = _day.getFullYear(),			month = (_day.getMonth() + 1),			day = _day.getDate();		month < 10 ? '0' + month : month;		day < 10 ? '0' + day : day;		res.push( year + '-' + month + '-' + day);	}	return res;}

 

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