NSDateFormatter* formatter = [[NSDateFormatter alloc]init];
[formatter setDateFormat:@"yyyyMMddhhmmss"];
NSDate* sendData = [formatter dateFromString:sendTime];
NSDate* now = [NSDate date];
NSCalendar* calendar = [[NSCalendaralloc]initWithCalendarIdentifier:NSGregorianCalendar];
NSCalendarUnit unit =NSCalendarUnitDay;//| NSCalendarUnitMonth | NSCalendarUnitYear;
NSDateComponents* cmp =[calendar components:unit fromDate:sendData toDate:now options:NSCalendarWrapComponents];
NSLog(@"cmp.second = %li",(long)cmp.second);
if(cmp.second>3) {
returnYES;
}
