基本上,就像标题说的那样。我想知道如何添加1天的NSDate。
如果它是:
21st February 2011
它将变成:
22nd February 2011
或者如果它是:
31st December 2011
它将变成:
1st January 2012.
基本上,就像标题说的那样。我想知道如何添加1天的NSDate。
如果它是:
21st February 2011
它将变成:
22nd February 2011
或者如果它是:
31st December 2011
它将变成:
1st January 2012.
当前回答
iOS 8+, OSX 10.9+, Objective-C
NSCalendar *cal = [NSCalendar currentCalendar];
NSDate *tomorrow = [cal dateByAddingUnit:NSCalendarUnitDay
value:1
toDate:[NSDate date]
options:0];
其他回答
从iOS 8开始,你可以使用NSCalendar.dateByAddingUnit
Swift 1.x中的示例:
let today = NSDate()
let tomorrow = NSCalendar.currentCalendar()
.dateByAddingUnit(
.CalendarUnitDay,
value: 1,
toDate: today,
options: NSCalendarOptions(0)
)
斯威夫特2.0:
let today = NSDate()
let tomorrow = NSCalendar.currentCalendar()
.dateByAddingUnit(
.Day,
value: 1,
toDate: today,
options: []
)
斯威夫特3.0:
let today = Date()
let tomorrow = Calendar.current.date(byAdding: .day, value: 1, to: today)
Swift 4更新:
let now = Date() // the current date/time
let oneDayFromNow = Calendar.current.date(byAdding: .day, value: 1, to: now) // Tomorrow with same time of day as now
Swift 4.0(在这个精彩的答案中与Swift 3.0相同,只是为了让像我这样的新手清楚)
let today = Date()
let yesterday = Calendar.current.date(byAdding: .day, value: -1, to: today)
斯威夫特5
let today = Date()
let nextDate = Calendar.current.date(byAdding: .day, value: 1, to: today)
objective - c
NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
// now build a NSDate object for the next day
NSDateComponents *offsetComponents = [[NSDateComponents alloc] init];
[offsetComponents setDay:1];
NSDate *nextDate = [gregorian dateByAddingComponents:offsetComponents toDate: [NSDate date] options:0];
iOS 8+, OSX 10.9+, Objective-C
NSCalendar *cal = [NSCalendar currentCalendar];
NSDate *tomorrow = [cal dateByAddingUnit:NSCalendarUnitDay
value:1
toDate:[NSDate date]
options:0];