Develop
2018.10.18 06:41
[ios] Swift 4 String, Date, DateFormatter 예제
Views 1517 Comment 0
Swift 4, Swift 3 에서 문자열을 Date() 읽고.
Date()를 DateFormatter로 문자열 출력하는 간단한 예제
1. Extensions 필요함
import Foundation
extension DateFormatter {
convenience init (format: String) {
self.init()
dateFormat = format
locale = Locale.current
}
}
extension String {
func toDate (format: String) -> Date? {
return DateFormatter(format: format).date(from: self)
}
func toDateString (inputFormat: String, outputFormat:String) -> String? {
if let date = toDate(format: inputFormat) {
return DateFormatter(format: outputFormat).string(from: date)
}
return nil
}
}
extension Date {
func toString (format:String) -> String? {
return DateFormatter(format: format).string(from: self)
}
}
2. 실행 예
var dateString = "14.01.2017T14:54:00"
let format = "dd.MM.yyyy'T'HH:mm:ss"
let date = Date()
print("original String with date: \(dateString)")
print("date String() to Date(): \(dateString.toDate(format: format)!)")
print("date String() to formated date String(): \(dateString.toDateString(inputFormat: format, outputFormat: "dd MMMM")!)")
print("format Date(): \(date.toString(format: "dd MMM HH:mm")!)")
[출처] https://stackoverflow.com/questions/24777496/how-can-i-convert-string-date-to-nsdate
No. | Category | Subject | Author | Date | Views |
---|---|---|---|---|---|
37 | Develop | How to Test SMTP AUTH using Telnet | hooni | 2018.04.05 | 1593 |
36 | Develop | [php] Laravel 4. twitter bootstrap 적용하기 | hooni | 2018.04.05 | 2705 |
35 | Develop | [js] Click button copy to clipboard | hooni | 2018.04.05 | 1303 |
34 | Develop | [api] 인스타그램에서 최신 이미지 가져오기 (Using Instagram API) 20 | hooni | 2018.04.05 | 12655 |
33 | Develop | [api] 인스타그램 API Access_Token 발급 방법 (Instagram API) 3 | hooni | 2018.04.05 | 7750 |
32 | Develop | [php] Connect to Firebase Console in Laravel | hooni | 2018.05.09 | 3228 |
31 | Develop | [PHP] MacOS에서 PHP 7 설치하기 | hooni | 2018.05.11 | 5049 |
30 | Develop | [ios] Requesting Location Permissions in iOS | hooni | 2018.08.18 | 1740 |
» | Develop | [ios] Swift 4 String, Date, DateFormatter 예제 | hooni | 2018.10.18 | 1517 |
28 | Develop | [ios] APNS, Remote Push 수신 시점에서 앱의 3가지 실행 상태 | hooni | 2018.10.19 | 1096 |
27 | Develop | [ios] APNS, Remote Push 사용자가 수신을 동의했는지 확인하기 | hooni | 2018.10.19 | 1373 |
26 | Develop | [ios] Swift 4 Singleton inheritance | hooni | 2018.10.31 | 1692 |