获取某年的某有多少天

/**
 * 获取某年某月有多少天
 */
export const getOneMonthDays = (year,month)=>{
	month = Number(month);
	const baseMonthsDays = [31,28,31,30,31,30,31,31,30,31,30,31,31];
	if(year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)){
		if(month === 1){
			baseMonthsDays[month] = 29;
		}
	}
	return baseMonthsDays[month];
}

/**
 * 获取日期的年月日时分秒
 */
export const getTimeArray = (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,hour,minute,second];
}
/**
 * 小于10的数字前面补0
 */
export const addZero = (num)=>{
	return num < 10 ? '0' + num : num;
}

/**
 * 获取当前值在数组中的索引
 */
export const getIndexOfArray = (value,array)=>{
	let index = array.findIndex(item => item == value);
	return index > -1 ? index : 0;
}