设置 iphone 的 nsdate 格式

Question

我想要以下格式的日期。

04/22/2011 1:05:21 PM

格式为 mm/dd/yyyy 时间（12 小时）pm 或 AM

代码是什么？

Answer 1

    NSDate *date=[NSDate date];
    NSDateFormatter *formatter=[[NSDateFormatter alloc]init];
    [formatter setDateFormat:@"MM/dd/yyyy hh:mm:ss a"];
    NSString *dateOfGame =[formatter stringFromDate:date];
    NSLog(@"dateOfGame%@",dateOfGame);
    [formatter release];

Answer 2

检查 NSDateFormatter （和 日期格式)

MM/dd/yyyy hh:mm:ss a

Answer 3

其他一些类型

NSDate* date = [NSDate date];
NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
[formatter setDateFormat:@"MM/dd/yyyy"];
 NSLog(@"date=%@",[formatter stringFromDate:date]);//date=04/22/2011

[formatter setTimeStyle:NSDateFormatterBehavior10_4];
NSLog(@"date=%@",[formatter stringFromDate:date]);// date=1:05:11 PM

[formatter setTimeStyle:NSDateFormatterBehaviorDefault];
NSLog(@"date=%@",[formatter stringFromDate:date]); date=

[formatter setTimeStyle:NSDateFormatterFullStyle];
NSLog(@"date=%@",[formatter stringFromDate:date]); date=1:05:11 PM India Standard Time

[formatter setTimeStyle:NSDateFormatterLongStyle];
NSLog(@"date=%@",[formatter stringFromDate:date]); date=1:05:11 PM GMT+05:30

[formatter setTimeStyle:NSDateFormatterMediumStyle];
NSLog(@"date=%@",[formatter stringFromDate:date]); date=1:05:11 PM

[formatter setTimeStyle:NSDateFormatterNoStyle];
NSLog(@"date=%@",[formatter stringFromDate:date]);date=

[formatter setTimeStyle:NSDateFormatterShortStyle];
NSLog(@"date=%@",[formatter stringFromDate:date]); date=1:05 PM