letdate =NSDate()
lettimeFormatter =NSDateFormatter()
timeFormatter.dateFormat="yyyy-MM-dd 'at' HH:mm:ss.SSS"
let strNowTime = timeFormatter.stringFromDate(date) as String
print(strNowTime)
letdate =NSDate()
lettimeFormatter =NSDateFormatter()
timeFormatter.dateFormat="yyyy-MM-dd 'at' HH:mm:ss.SSS"
let strNowTime = timeFormatter.stringFromDate(date) as String
print(strNowTime)