关于iOS 8：iOS 8-获取当前日期为DD / MM / YYYY


iOS 8 - get current date as DD/MM/YYYY

有人可以给我一些代码来获取日期吗？

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NSDateComponents *components = [[NSCalendarcurrentCalendar] component:NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYearfromDate:[NSDatedate]];

NSString *day = [components day];
NSString *week = [components month];
NSString *year = [components year];

NSString *date = [NSString stringWithFormat:@"%@.%@.%@",day,week,year];

^^我的代码不起作用：S

有没有办法我可以在1周之内得到明天的日期，依此类推...

谢谢：)

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您可以使用代码的变体，该变体使用components方法和NSCalendar来检索数字分量：

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NSDateComponents *components = [[NSCalendar currentCalendar] components:NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear fromDate:[NSDate date]];

NSInteger day = [components day];
NSInteger month = [components month];
NSInteger year = [components year];

NSString *string = [NSString stringWithFormat:@"%ld.%ld.%ld", (long)day, (long)month, (long)year];

请注意，这是components，而不是component。

或者更好的是，您可以使用NSDateFormatter：

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NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
formatter.dateFormat = @"d.M.yyyy";
NSString *string = [formatter stringFromDate:[NSDate date]];

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  NSDate *todayDate = [NSDate date]; //Get todays date
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; // here we create NSDateFormatter object for change the Format of date.
    [dateFormatter setDateFormat:@"dd-MM-yyyy"]; //Here we can set the format which we need
    NSString *convertedDateString = [dateFormatter stringFromDate:todayDate];// Here convert date in NSString
NSLog("Today formatted date is %@",convertedDateString);

你可以得到这样的

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let dateFormatter = DateFormatter()
dateFormatter.dateFormat ="dd/MM/yyyy"
let dateString = dateFormatter.string(from:Date())
print(dateString)

尝试此操作，设置不同的组件单位：

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    NSDate *today = [NSDate date];
    NSCalendar *gregorian = [[NSCalendar alloc]
                             initWithCalendarIdentifier:NSGregorianCalendar];
    NSDateComponents * components =
                        [gregorian components:(NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit) fromDate:today];
    NSInteger day = [components day];
    NSInteger month = [components month];
    NSInteger year = [components year];

如果您想获得其他日子，请使用此链接
日历获得另一天