NSDate使用

1         NSString *string = @"2013-08-12 20:13:43";2         3          NSDateFormatter *formatter = [[NSDateFormatter alloc] init];4         //格式一定要一致，否则无法转换5         formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";6        7         NSDate *date = [formatter dateFromString: string];8         NSLog(@"/n%@", date);

1         NSDate *date = [NSDate date];2         NSString *time;3         NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];4         dateFormatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";5         time = [dateFormatter stringFromDate:date];6         NSLog(@"/n%@", date);