You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
28 lines
828 B
28 lines
828 B
5 months ago
|
var staticDayTime = require('./staticDayTime')
|
||
|
|
var staticStrFirst = require('./staticStrFirst')
|
||
|
|
var staticStrLast = require('./staticStrLast')
|
||
|
|
|
||
|
|
var helperGetDateTime = require('./helperGetDateTime')
|
||
|
|
|
||
|
|
var getWhatMonth = require('./getWhatMonth')
|
||
|
|
var toStringDate = require('./toStringDate')
|
||
|
|
|
||
|
|
var isValidDate = require('./isValidDate')
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 返回某个月份的天数
|
||
|
|
*
|
||
|
|
* @param {Date} date 日期或数字
|
||
|
|
* @param {Number} offset 月(默认当月)、前几个月、后几个月
|
||
|
|
* @return {Number}
|
||
|
|
*/
|
||
|
|
function getDayOfMonth (date, month) {
|
||
|
|
date = toStringDate(date)
|
||
|
|
if (isValidDate(date)) {
|
||
|
|
return Math.floor((helperGetDateTime(getWhatMonth(date, month, staticStrLast)) - helperGetDateTime(getWhatMonth(date, month, staticStrFirst))) / staticDayTime) + 1
|
||
|
|
}
|
||
|
|
return NaN
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = getDayOfMonth
|