1、
func getDate(_ sender: Any) {
let urlString = "http://m.baidu.com"
let task = URLSession(configuration: URLSessionConfiguration.default).dataTask(with: URL(string: urlString)!) { (data, response, error) in
if let httpresponse = response as? HTTPURLResponse {
var dateString = httpresponse.allHeaderFields["Date"] as? String
dateString = dateString?.substring(from: (dateString?.characters.index((dateString?.startIndex)!, offsetBy: 5))!)
dateString = dateString?.substring(to: (dateString?.characters.index((dateString?.endIndex)!, offsetBy: -4))!)
print(dateString)
let datefmt = DateFormatter()
datefmt.locale = Locale(identifier: "en_US")
datefmt.dateFormat = "dd MMM yyyy HH:mm:ss"
let date = datefmt.date(from: dateString!)?.addingTimeInterval(60*60*8)
print(date)
let zone = NSTimeZone.system
let inter = zone.secondsFromGMT(for: date!)
let locadate = date?.addingTimeInterval(TimeInterval(inter))
print(locadate)
}
}
task.resume()
}
打印信息
Optional("14 Aug 2017 05:59:28")
Optional(2017-08-14 05:59:28 +0000)
Optional(2017-08-14 13:59:28 +0000)
