現在のUnixTimeを取得する方法
let date: Date = Date()
let unixtime: Int = date.timeIntervalSince1970
print(unixtime)
let date: Date = Date()
let unixtime: Int = date.timeIntervalSince1970
print(unixtime)
let date: Date = Date() let unixtime: Int = date.timeIntervalSince1970 print(unixtime)