此应用程序的目的总是显示每个月的第16个工作日(意味着考虑到工作日和公共假日)。
为此,我使用了moment-business-days
,这是一个moment.js
插件。它计算日期并考虑工作日和(预先配置的)公共假日。我按如下方式使用它,对于某些日期,它给出了正确的结果,但对于某些日期,却不是这样。我看不到我的代码中的错误:
myHolidays = [
{ holidayDate: "2020-06-01", description: "holiday 1" },
{ holidayDate: "2020-06-02", description: "holiday 2" },
{ holidayDate: "2020-06-03", description: "holiday 3" },
{ holidayDate: "2020-06-06", description: "weekend saturday" },
{ holidayDate: "2020-06-07", description: "weekend sunday" },
{ holidayDate: "2020-06-11", description: "holiday 6" },
{ holidayDate: "2020-06-13", description: "weekend saturday" },
{ holidayDate: "2020-06-14", description: "weekend sunday" },
{ holidayDate: "2020-06-20", description: "weekend saturday" },
{ holidayDate: "2020-06-21", description: "weekend sunday" },
{ holidayDate: "2020-06-27", description: "weekend saturday" },
{ holidayDate: "2020-06-28", description: "weekend sunday" },
];
moment.updateLocale('de', {
holidays: myHolidays.map(i => i.holidayDate),
holidayFormat: 'YYYY-MM-DD'
});
var startDate = moment("2020-01-01").startOf('month')
var endDate = moment("2020-12-01")
var eachMonthWith16 = [];
function generate16InEachMonth() {
let monthsList = []
// loop by months
while (endDate > startDate) {
monthsList.push(new Date(moment(this.startDate).businessAdd(15, 'days')))
startDate = startDate.add(1, "month").startOf('month')
}
return monthsList
}
console.log(generate16InEachMonth())
.as-console-wrapper { top: 0; max-height: 100% !important; }
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.27.0/moment.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment-business-days/1.2.0/index.js"></script>
在这个例子中,我得到了以下日期的结果,有时是正确的,有时是不正确的:
Month Actual Target Correct
Jan 22 22 yes
Feb 24 21 no
March 23 20 no
April 22 22 yes
May 22 22 yes
June 25 26 no
July 22 22 yes
...
有没有快速解决这个问题的方法,或者有没有类似的datetime处理库,可以与工作日一起工作并完美地计算它们?
发布于 2020-08-26 06:00:11
代码不能在所有月份运行的原因是,默认情况下,每月的第一天被算作工作日。
区分第一天是否实际上是工作日的条件应该足够了(如果第一天本身不是工作日,则添加16个工作日)。
function generate16InEachMonth() {
let monthsList = []
// loop by months
while (endDate > startDate) {
var daysToAdd = (startDate.isBusinessDay()) ? 15 : 16
monthsList.push(new Date(moment(this.startDate).businessAdd(daysToAdd, 'days')))
startDate = startDate.add(1, "month").startOf('month')
}
return monthsList
}
https://stackoverflow.com/questions/62997075
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