23 lines
551 B
Java
23 lines
551 B
Java
var getWhatYear = require('./getWhatYear')
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var toStringDate = require('./toStringDate')
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var isDate = require('../base/isDate')
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var isLeapYear = require('../base/isLeapYear')
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/**
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* 返回某个年份的天数
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*
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* @param {Date} date 日期或数字
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* @param {Number} year 年(默认当年)、前几个年、后几个年
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* @return {Number}
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*/
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function getDayOfYear (date, year) {
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date = toStringDate(date)
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if (isDate(date)) {
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return isLeapYear(getWhatYear(date, year)) ? 366 : 365
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}
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return date
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}
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module.exports = getDayOfYear
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