//定義圖書屬性類BookClass 屬性類中添加：Bookcls(分類)、BookName(書名)、Price(價(jià)格)

class BookClass {

var Bookcls = ""

var BookName = ""

var Price = 0.0

}

//實(shí)例化五個(gè)BookClass類的對(duì)象

let objBookA = BookClass()

let objBookB = BookClass()

let objBookC = BookClass()

let objBookD = BookClass()

let objBookE = BookClass()

//創(chuàng)建數(shù)組

var ArrayBook = [Any]()

//初始化對(duì)象

objBookA.Bookcls = "勵(lì)志"

objBookB.Bookcls = "文學(xué)"

objBookC.Bookcls = "小說"

objBookD.Bookcls = "少兒"

objBookE.Bookcls = "科技"

objBookA.BookName = "鋼鐵人"

objBookB.BookName = "小王子"

objBookC.BookName = "平凡世界"

objBookD.BookName = "三毛兒"

objBookE.BookName = "探索"

objBookA.Price = 45.0

objBookB.Price = 35.7

objBookC.Price = 40

objBookD.Price = 47.9

objBookE.Price = 77.0

//添加到數(shù)組里

ArrayBook = [objBookA,objBookB,objBookC,objBookD,objBookE]

//打印所有對(duì)象的內(nèi)容

print(ArrayBook)

//打印價(jià)格最貴的圖書的信息

print("最貴的圖書信息:分類:\(objBookE.Bookcls),書名:\(objBookE.BookName),價(jià)格:\(objBookE.Price)")

//打印objBookC.Bookcls? == “小說”的圖書的信息

print("小說的圖書信息:分類:\(objBookC.Bookcls),書名:\(objBookC.BookName),價(jià)格:\(objBookC.Price)")