获取当前日期的时间和分钟

    NSDate * date = [NSDate date];
    NSLog(@"date = %@",date);
    NSCalendar *cal = [NSCalendar currentCalendar];
    NSDateComponents *components = [cal components:NSCalendarUnitHour fromDate:date];
    NSDateComponents *componentM = [cal components:NSCalendarUnitMinute fromDate:date];
    NSInteger hour = components.hour;
    NSInteger minutes = componentM.minute;
    NSLog(@"hour = %d,minutes = %d",hour,minutes);