在iPhone上以所选格式获取当前时间

Question

以下代码将返回一个NSDate对象，时间为9:30: 9:30.

NSString *dateString = @"09-30";
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"hh-mm"];
NSDate *dateFromString = [[NSDate alloc] init];
dateFromString = [dateFormatter dateFromString:dateString];

如何以相同的格式获取当前时间？

- Eric Brotto

Answer 1

NSDate *currentTime = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"hh-mm"];
NSString *resultString = [dateFormatter stringFromDate: currentTime];

- Denis

---

NSString *resultString = [dateFormatter stringFromDate: currentTime]; 将 dateFromatter 更改为 dateFormatter - Anil Kothari

Answer 2

NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"hh-mm"];
NSDate *currentDate = [NSDate date];
NSString *currentDateString = [dateFormatter stringFromDate:currentDate];

- Mathieu Hausherr

Answer 3

NSDate alloc init会创建一个带有当前时间的日期。然后，您可以使用NSDateFormatter stringFromDate对该日期进行格式化和显示。

这个：

NSDate *date = [[NSDate alloc] init];
NSLog(@"%@", date);

NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"hh-mm"];
NSString *dateString = [dateFormatter stringFromDate:date];

NSLog(@"%@", dateString);

输出：

2011-12-05 07:20:02.994 Craplet[1706:707] 2011-12-05 12:20:02 +0000
2011-12-05 07:20:02.995 Craplet[1706:707] 07-20

- bryanmac

Answer 4

NSDate *today = [[NSDate alloc] init];
NSLog(@"today is :%@", today);

NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"hh-mm:ss"];
NSString *timeString = [dateFormatter stringFromDate:today];

NSLog(@"%@", timeString);

- Tendulkar

Answer 5

NSDate *currentDate =[NSDate date];
//Your formatter goes here.
NSString *currentTime = [dateFormatter stringFromDate:currentDate];

- Nareshkumar