- (void)viewDidLoad

{

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    NSLog(@"-------getCurrentTime---%@",[self getCurrentTime]);

}

#pragma -mark -获取现在的日历时间  输出形式 2014-06-27 15:41:55

- (NSString *) getCurrentTime

{

    NSDate* date = [NSDate date];

    //日历为阳历

     NSCalendar *calendar = [[NSCalendar alloc]initWithCalendarIdentifier:NSGregorianCalendar];

    //表示一个日期对象的组件

    NSDateComponents *component = [calendar components:NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay | NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond fromDate:date];

    //设定时区

    [component setTimeZone:[NSTimeZone systemTimeZone]];

    NSInteger year = [component year];

    NSInteger month = [component month];

    NSInteger day = [component day];

    NSInteger hour = [component hour];

    NSInteger minute = [component minute];

    NSInteger second = [component second];

    NSString* dateString = [NSString stringWithFormat:@"%i-%@%i-%@%i %@%2i:%@%2i:%@%i" , year , month > 10 ? @"" :@"0",month , day > 10 ? @"" :@"0", day , hour > 10 ? @"" :@"0", hour  , minute > 10 ? @"" :@"0", minute ,second > 10 ? @"" :@"0", second];

    return dateString;

}

2015-10-22 14:06:16.920 getCurrentTime[11139:215609] -------getCurrentTime---2015-010-22 14:0 6: