如何快速获取本周的所有天数 [英] How to get all days in current week in swift

问题描述

我正在申请，我需要获取当前一周中所有日子的一年中的哪一天.为此，我正在寻找类似于以下的结果(今天是 3 月 23 日星期四)

I am making an application where I need to get the day of the year for all days in the current week. To achieve this, I am looking for a result similar to below (Today is Thursday the 23rd of March)

Monday = 79
Tuesday = 80
Wednesday = 81
Thursday = 82
Friday = 83

可以包括周六和周日，但是我的申请只需要工作日而不是周末.今天是第82天

Saturday and Sunday can be included, however my application only needs weekdays rather then weekends. Today is day 82

推荐答案

要获取星期几，是:

let calendar = Calendar.current
let today = calendar.startOfDay(for: Date())
let dayOfWeek = calendar.component(.weekday, from: today)
let weekdays = calendar.range(of: .weekday, in: .weekOfYear, for: today)!
let days = (weekdays.lowerBound ..< weekdays.upperBound)
    .compactMap { calendar.date(byAdding: .day, value: $0 - dayOfWeek, to: today) }  // use `flatMap` in Xcode versions before 9.3
    .filter { !calendar.isDateInWeekend($0) }

要将其显示为Thursday = 82"，则为

To display that as "Thursday = 82", it is

let formatter = DateFormatter()
formatter.dateFormat = "eeee' = 'D"
for date in days {
    print(formatter.string(from: date))
}

或者

let strings = days.map { formatter.string(from: $0) }

这篇关于如何快速获取本周的所有天数的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！