//获取日期
NSArray * arrWeek=[NSArray arrayWithObjects:@"星期一",@"星期二",@"星期三",@"星期四",@"星期五",@"星期六",@"星期日", nil];
NSDate *date = [NSDate date];
NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
NSDateComponents *comps =[[NSDateComponents alloc] init];
NSInteger unitFlags = NSYearCalendarUnit |
NSMonthCalendarUnit |
NSDayCalendarUnit |
NSWeekdayCalendarUnit |
NSHourCalendarUnit |
NSMinuteCalendarUnit |
NSSecondCalendarUnit;
comps = [calendar components:unitFlags fromDate:date];
int week = [comps weekday];
int year=[comps year];
int month = [comps month];
int day = [comps day];
int hours=[comps hour];
int minute=[comps minute];
_dateLable.text=[NSString stringWithFormat:@"%d.%d.%d",year,month,day];
// NSLog(@"_dateLable.text=%@",_dateLable.text);
_weekLable.text=[NSString stringWithFormat:@"%@",[arrWeek objectAtIndex:week]];
_timeLable.text=[NSString stringWithFormat:@"当前时间:%d:%d",hours,minute];
// 隐藏系统返回按钮的标签
[[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(0, -60) forBarMetrics:UIBarMetricsDefault];