82 lines
1.6 KiB
Go
82 lines
1.6 KiB
Go
package main
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/*
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实例
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汤宝宝穿越到了星球大战世界，并掉到了克隆人军队的生产工厂。
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ps：
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go中没有官方的深拷贝实现，一些第三方库会使用reflect的方式来实现深拷贝，但性能较差且不够类型安全。
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比较安全的方法是逐步复制每个字段，会有稍许麻烦。
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*/
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import "fmt"
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// 克隆人接口
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type CloneTrooper interface {
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clone() CloneTrooper
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fight()
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setid(id int)
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}
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// 具体的克隆人类
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type CloneTrooperA struct {
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Id int
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}
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func (c *CloneTrooperA) clone() CloneTrooper {
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fmt.Printf("克隆人A-%d号正在克隆...\n", c.Id)
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return &CloneTrooperA{Id: c.Id}
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}
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func (c *CloneTrooperA) fight() {
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fmt.Printf("克隆人A-%d号准备战斗！\n", c.Id)
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}
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func (c *CloneTrooperA) setid(id int) {
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c.Id = id
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}
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type CloneTrooperB struct {
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Id int
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}
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func (c *CloneTrooperB) clone() CloneTrooper {
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fmt.Printf("克隆人B-%d号正在克隆...\n", c.Id)
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return &CloneTrooperB{Id: c.Id}
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}
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func (c *CloneTrooperB) fight() {
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fmt.Printf("克隆人B-%d号准备战斗！\n", c.Id)
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}
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func (c *CloneTrooperB) setid(id int) {
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c.Id = id
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}
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func main() {
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fmt.Println("========= 原型模式 =========")
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// 创建克隆人A原型
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prototypeA := &CloneTrooperA{Id: 0}
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prototypeA.fight()
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cloneA1 := prototypeA.clone()
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cloneA1.setid(1)
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cloneA1.fight()
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cloneA2 := cloneA1.clone()
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cloneA2.setid(2)
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cloneA2.fight()
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// 创建克隆人B原型
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prototypeB := &CloneTrooperB{Id: 0}
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prototypeB.fight()
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cloneB1 := prototypeB.clone()
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cloneB1.setid(1)
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cloneB1.fight()
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cloneB2 := cloneB1.clone()
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cloneB2.setid(2)
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cloneB2.fight()
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fmt.Println()
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fmt.Println("======= 原型模式结束 =======")
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}
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