Swift 5.x 有什么变化吗?不知道我在这里做错了什么。
extension String {
var dateValue: Date? {
let dateAsString = "13:15"
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "HH:mm"
let date = dateFormatter.date(from: dateAsString) //date is being nil here
let Date24 = dateFormatter.string(from: date!)
print("24 hour formatted Date:",Date24)
return date
}
}