如何在Swift中将当前星期的第一个日期设置为星期三？

Question

How to set the first date of the week to Wednesday and show the first and last date of week on yellow bar? Because the schedule will update every Wednesday.

Answer 1

Please check this might help :

var calendar = Calendar.current
calendar.firstWeekday = 4

let startOfWeek = calendar.date(from: calendar.dateComponents([.yearForWeekOfYear, .weekOfYear], from: Date()))!    
let endOfWeek = calendar.date(byAdding: .day, value: 6, to: startOfWeek)!

print(startOfWeek)
print(endOfWeek)