iOS

NSDate相关

let timeInterval = NSDate().timeIntervalSince1970
print (timeInterval)
let days = Int(timeInterval / 86400)
print (days)
let intValue = (days - 3) % 7
print(intValue)

let date = NSDate()
print (date)

let dateFormatter = NSDateFormatter()
dateFormatter.dateFormat = "EEEE"

let today = dateFormatter.stringFromDate(date)
print (today)

打印输出

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