“Handle the issue of getting unexpected values from the date format and calendar when the region is Thailand: (By setting the locale to en_US_POSIX).”
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| func toGmtDate(year: Int, month: Int, date: Int, hour: Int, minute: Int, second: Int) -> Date? { | |
| let str = String(format: "%04d-%02d-%02d %02d:%02d:%02d+0800", | |
| year, month, date, | |
| hour, minute, second) | |
| let dateFormatter = DateFormatter() | |
| dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ssZ" | |
| dateFormatter.locale = Locale(identifier: "en_US_POSIX") // Set locale to POSIX | |
| if let date = dateFormatter.date(from: str) { | |
| return date | |
| } else { | |
| return nil | |
| } | |
| } | |
| func convertDateToCalendar(date: Date) -> DateComponents { | |
| var calendar = Calendar(identifier: .gregorian) | |
| calendar.locale = Locale(identifier: "en_US_POSIX") // Set locale to POSIX | |
| if let timezone = TimeZone(identifier: "Asia/Taipei") { | |
| calendar.timeZone = timezone | |
| } | |
| let dateComponents = calendar.dateComponents([.year, .month, .day], from: date) | |
| return dateComponents | |
| } |
補充:
en_US_POSIX和en_US的差別:
https://www.cnblogs.com/tcan/p/4611269.html