The new retail is based on Internet thinking and technology. Through the integration of online, offline and logistics, the existing social retail is comprehensively reformed and upgraded to make the production, circulation and service process of goods more efficient. The core feature of new retail is that the upgrading of traditional retail, whether it is the circulation end, the sales end or even the consumer, is undergoing an upgrade. This upgrade is supported by the development of cloud computing, big data, artificial intelligence and other technologies. This upgrade is in the context of technological development 　　公共函數(shù)（合約內(nèi)外部都可以調(diào)用） 　　getReserves 　　代碼速覽 　　function getReserves()public view returns(uint112 _reserve0,uint112 _reserve1,uint32 _blockTimestampLast){ 　　_reserve0=reserve0; 　　_reserve1=reserve1; 　　_blockTimestampLast=blockTimestampLast; 　　} 　　參數(shù)分析 　　函數(shù)getReserves的入?yún)⒂?個(gè)，出參有3個(gè)，對(duì)應(yīng)的解釋如下： 　　function getReserves()public view returns( 　　uint112 _reserve0,//token0的資金池庫(kù)存數(shù)量 　　uint112 _reserve1,//token1的資金池庫(kù)存數(shù)量 　　uint32 _blockTimestampLast//上次更新庫(kù)存的時(shí)間 　　){開(kāi)發(fā)案例：I35 develops 7O98 system O7I8 　　... 　　} 　　函數(shù)getReserves返回了_reserve0、_reserve1和_blockTimestampLast，通過(guò)這些變量可以計(jì)算資產(chǎn)的價(jià)格。 　　實(shí)現(xiàn)分析 　　... 　　{ 　　//返回reserve0、reserve1和blockTimestampLast 　　_reserve0=reserve0; 　　_reserve1=reserve1; 　　_blockTimestampLast=blockTimestampLast; 　　}