//获取当前时间日期星期

- (NSString *)getCurrentTimeAndWeekDay {

    NSArray * arrWeek=[NSArray arrayWithObjects:@"星期日",@"星期一",@"星期二",@"星期三",@"星期四",@"星期五",@"星期六", nil];

    NSDate *date = [NSDate date];

    /*

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

     */

    //ios 8.0 之后 不想看见警告用下面这个

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

    NSDateComponents *comps = [[NSDateComponents alloc] init];

    /*

     NSInteger unitFlags = NSYearCalendarUnit |

     NSMonthCalendarUnit |

     NSDayCalendarUnit |

     NSWeekdayCalendarUnit |

     NSHourCalendarUnit |

     NSMinuteCalendarUnit |

     NSSecondCalendarUnit;

     */

    //ios 8.0 之后 不想看见警告用下面这个

    NSInteger unitFlags = NSCalendarUnitYear |NSCalendarUnitMonth | NSCalendarUnitDay |NSCalendarUnitWeekday | NSCalendarUnitHour |NSCalendarUnitMinute |NSCalendarUnitSecond;

    comps = [calendar components:unitFlags fromDate:date];

    int week = [comps weekday];

    int year=[comps year];

    int month = [comps month];

    int day = [comps day];

    return   [NSString stringWithFormat:@"%d-%d-%d  %@",year,month,day,[arrWeek objectAtIndex:week]];

}