36 lines
1.0 KiB
Java
36 lines
1.0 KiB
Java
var staticWeekTime = require('../static/staticWeekTime')
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var staticStrFirst = require('../static/staticStrFirst')
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var helperGetYMDTime = require('./helperGetYMDTime')
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var getWhatMonth = require('./getWhatMonth')
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var toStringDate = require('./toStringDate')
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var getWhatWeek = require('./getWhatWeek')
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var isDate = require('../base/isDate')
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/**
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* 返回某个月的第几周
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*
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* @param {Date} date 日期或数字
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* @return {Number}
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*/
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function getMonthWeek (date) {
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var monthFirst, monthFirstWeek
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var currentDate = toStringDate(date)
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if (isDate(currentDate)) {
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monthFirst = getWhatMonth(currentDate, 0, staticStrFirst)
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monthFirstWeek = getWhatWeek(monthFirst, 0, 1)
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if (monthFirstWeek < monthFirst) {
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monthFirstWeek = getWhatWeek(monthFirst, 1, 1)
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}
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if (currentDate >= monthFirstWeek) {
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return Math.floor((helperGetYMDTime(currentDate) - helperGetYMDTime(monthFirstWeek)) / staticWeekTime) + 1
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}
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return getMonthWeek(getWhatWeek(currentDate, 0, 1))
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}
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return currentDate
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}
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module.exports = getMonthWeek
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