小编Nit*_*sjp的帖子

我正在制作一个函数来获取特定工作日的特定日期

前任。2016 年 9 月的星期日 = 4,11,18,25

import UIKit

var daysOff = [Int]()

func getNumberOfDaysInMonth (_ month : Int , _ Year : Int ,lookingFor : Int) -> (firstDay: Int , daysResults: [Int]) {
var day = Int()


if lookingFor > 7 || lookingFor < 1 {
    print("error")
   return (0,[0])
}else {
    day = lookingFor
}

let dateComponents = NSDateComponents()
dateComponents.year = Year
dateComponents.month = month
let calendar = Calendar(identifier: .gregorian)
let date = calendar.date(from: dateComponents as DateComponents)!


let range …