Calendar 是一个用于选择日期区间的 UIInterfaceOrientation 子类。
CalendarViewController *vc = [CalendarViewController new];
//选择的开始时间和结束时间的时间戳,以秒为单位
vc.choosedBlock = ^(NSTimeInterval startDate, NSTimeInterval finishDate){
NSString *startDateStr = [EJTimeParseTool changeTimeStampToStringWithFormat:@"yyyy-M-d" timeStamp:startDate * 1000];
NSString *endDateStr = [EJTimeParseTool changeTimeStampToStringWithFormat:@"yyyy-M-d" timeStamp:finishDate * 1000];
self.dataLabel.text = [NSString stringWithFormat:@"%@\n%@",startDateStr,endDateStr];
};
[self.navigationController pushViewController:vc animated:YES];