- (NSDictionary*)getCuttentDayPeriod {

NSDate*date = [NSDatedate];

NSCalendar*calendar = [NSCalendarcurrentCalendar];

NSDateComponents*comps = [calendarcomponents:NSEraCalendarUnit|NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit|NSHourCalendarUnitfromDate: date];

[compssetHour:0];//設(shè)置開(kāi)始時(shí)間為0點(diǎn)

NSDate*beginDate = [calendardateFromComponents:comps];

NSDate*endDate = [beginDatedateByAddingTimeInterval:3600*24-1];

NSDateFormatter* formatter = [[NSDateFormatteralloc]init];

formatter.dateFormat=@"yyyy-MM-dd HH:mm:ss";

NSString* startTime = [formatter ?stringFromDate:beginDate];

NSString* endTime = [formatter ?stringFromDate:endDate];

NSDictionary*dct = [[NSDictionaryalloc]initWithObjects:@[startTime, endTime]forKeys:@[@"StartTime",@"EndTime"]];

return dict

}