首页 > > > typescript 循环列表获取乘积的和
一个Array<Model>,比如
[{" Items": [{"RoomNum":2}, {"RoomNum":6}],"Dates": {"From":"2018-05-21T16:00:00.000Z","To":"2018-05-26T16:00:00.000Z"}}, {" Items": [{"RoomNum":3}],"Dates": {"From":"2018-05-25T16:00:00.000Z","To":"2018-05-27T16:00:00.000Z"}}]
differenceInDays用的date-fns.js 来获取from和to的差值(天数)
现在我想获取
(items.RoomNum*differenceInDays(item.TravelDates.To,item.TravelDates.From))+(items.RoomNum*differenceInDays(item.TravelDates.To,item.TravelDates.From))...
举个例子,我想获取
2*5 + 6*5 +3*2
我应该怎么写
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