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我使用下面的代码来获取NSDate,将其转换为NSString,然后返回NSDate。iPhone - NSDate之间的转换 - NSString - NSDate
NSDateFormatter* dtFormatter = [[NSDateFormatter alloc] init];
[dtFormatter setDateFormat:@"MM/dd/YYYY"];
NSDate* dt = [NSDate date];
NSString* strDate = [dtFormatter stringFromDate:dt];
NSLog(@"First = %@",strDate);
NSDate* dt2 = [dtFormatter dateFromString:strDate];
NSString* strDate2 = [dtFormatter stringFromDate:dt2];
NSLog(@"Second = %@",strDate2);
但我得到的输出是不同的:
2011-02-12 08:17:21.851 SF Calculation[16297:207] First = 02/12/2011
2011-02-12 08:17:21.852 SF Calculation[16297:207] Second = 12/26/2010
为什么转换的NSDate到的NSString和回程从的NSString的NSDate的时候有什么不同?
+1 - 链接规范 - http://unicode.org/reports/tr35/tr35-4.html#Date_Format_Patterns – Anurag 2011-02-12 03:14:32