2020-04-21 17:50:21 +03:00
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package strategy
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import "fmt"
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2020-04-28 09:43:37 +03:00
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//money kind
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const (
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RMB = "RMB"
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HK = "HK"
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)
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//StoreContext for Store 要包存钱的上下文信息
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type StoreContext struct {
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Kind, CardID string
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2020-04-21 17:50:21 +03:00
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Money int
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}
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2020-04-28 09:43:37 +03:00
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//IStore 要实现的存钱接口
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type IStore interface {
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Store(*StoreContext)
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2020-04-21 17:50:21 +03:00
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}
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2020-04-28 09:43:37 +03:00
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//MainLandCitizen 大陆居民
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type MainLandCitizen struct{ Name string }
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2020-04-21 17:50:21 +03:00
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2020-04-28 09:43:37 +03:00
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//Store Money to bank
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func (m *MainLandCitizen) Store(ctx *StoreContext) {
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fmt.Println("i am: ", m.Name, "i want to store: ", ctx.Money, ctx.Kind, "to: ", ctx.CardID)
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2020-04-21 17:50:21 +03:00
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}
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2020-04-28 09:43:37 +03:00
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//HongKongCitizen 香港居民
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type HongKongCitizen struct{ Name string }
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2020-04-21 17:50:21 +03:00
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2020-04-28 09:43:37 +03:00
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//Store Money to bank
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func (h *HongKongCitizen) Store(ctx *StoreContext) {
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fmt.Println("i am: ", h.Name, "i want to store: ", ctx.Money, ctx.Kind, "to: ", ctx.CardID)
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2020-04-21 17:50:21 +03:00
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}
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2020-04-28 09:43:37 +03:00
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//Bank handle moneyholder
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type Bank struct {
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moneyHolder IStore
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}
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2020-04-21 17:50:21 +03:00
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2020-04-28 09:43:37 +03:00
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//Recept a user
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func (b *Bank) Recept(moneyHolder IStore) {
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b.moneyHolder = moneyHolder
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fmt.Println("Bank: ", "Recept a New User")
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}
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2020-04-21 17:50:21 +03:00
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2020-04-28 09:43:37 +03:00
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//AccountUserMoney 动态替换的过程在这里,这里调用任何实现了Store的接口对象
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//AccountUserMoney to handle User's Money
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func (b *Bank) AccountUserMoney(ctx *StoreContext) {
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b.moneyHolder.Store(ctx)
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fmt.Println("Bank: ", "Processing Store", ctx.Money, ctx.Kind, "to: ", ctx.CardID)
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2020-04-21 17:50:21 +03:00
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}
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