C# 判斷時間段是否相交

1. 判斷兩個起止時間是否相交：

public static bool IsTimeBetween(TimeSpan input, TimeSpan start, TimeSpan end, bool fromInclusice, bool toInclusive)        {            //http://www.php.cn/            // see if start comes before end            if (end < start)            {                return                    ((toInclusive && (input <= end)) || (!toInclusive && (input < end)))                    ||                    ((fromInclusice && (input >= start)) || (!fromInclusice && (input > start)));            }            else            {                return                    ((fromInclusice && (input >= start)) || (!fromInclusice && (input > start)))                    &&                    ((toInclusive && (input <= end)) || (!toInclusive && (input < end)));            }        }

2. 傳入起止時間的運算式，判斷與已知時間段的交集，產生Mongo查詢：

public IMongoQuery GetMongoQueryIntersectWith<TCollection>(            Expression<Func<TCollection, DateTime>> fromExp,             Expression<Func<TCollection, DateTime>> toExp)        {            var rangeTo = Query.And(Query<TCollection>.GTE(toExp, To), Query<TCollection>.LTE(fromExp, To));            var rangeFrom = Query.And(Query<TCollection>.GTE(toExp, From), Query<TCollection>.LTE(fromExp, From));            var rangeQuery = Query.Or(rangeTo, rangeFrom,                 Query.And(Query<TCollection>.GTE(fromExp, From),Query<TCollection>.LTE(toExp, To)));            return rangeQuery;        }

其中From和To為兩個時間屬性

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