实现桥接模式和组合模式示例，添加相关类和方法，增强代码可读性
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IvisTang
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package main
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import "fmt"
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/*
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实例
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汤宝宝成为了一个电子画家，但是不同形状的笔刷和不同颜色颜料的组合让他犯了难...
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*/
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// 抽象类
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type Paint interface {
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Use() string
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}
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type Brush interface {
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Draw()
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}
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// 具体实现类
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type RedPaint struct{}
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func (r *RedPaint) Use() string {
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return "红色颜料"
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}
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type BluePaint struct{}
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func (b *BluePaint) Use() string {
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return "蓝色颜料"
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}
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type RoundBrush struct {
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paint Paint
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}
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func (r *RoundBrush) Draw() {
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fmt.Printf("使用圆形笔刷和%s进行绘图！\n", r.paint.Use())
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}
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type SquareBrush struct {
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paint Paint
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}
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func (s *SquareBrush) Draw() {
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fmt.Printf("使用方形笔刷和%s进行绘图！\n", s.paint.Use())
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}
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// 绘图函数
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func Painting(brush Brush) {
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brush.Draw()
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}
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func main() {
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fmt.Println("============= 桥接模式 =============")
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redPaint := &RedPaint{}
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bluePaint := &BluePaint{}
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Painting(&RoundBrush{paint: redPaint})
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Painting(&SquareBrush{paint: redPaint})
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Painting(&RoundBrush{paint: bluePaint})
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Painting(&SquareBrush{paint: bluePaint})
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fmt.Println("\n=========== 桥接模式结束 ===========")
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}
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package main
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import "fmt"
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/*
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实例
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汤宝宝成为了上市集团老总，他们集团有好多好多家分公司...
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*/
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// 抽象接口
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type Company interface {
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// 显示公司名称
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Show(prefix string)
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// 开设分公司
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Add(company Company)
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// 分公司关门
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Remove(company Company)
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// 获取分公司
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GetChild(i int) Company
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}
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// 具体实现类
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type ConcreteCompany struct {
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name string
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children []Company
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}
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func (c *ConcreteCompany) Show(prefix string) {
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fmt.Print(prefix)
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fmt.Println(c.name)
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for _, child := range c.children {
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child.Show(prefix + "-> ")
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}
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}
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func (c *ConcreteCompany) Add(company Company) {
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c.children = append(c.children, company)
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fmt.Printf("在%s下开设了分公司%s\n", c.name, company.(*ConcreteCompany).name)
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}
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func (c *ConcreteCompany) Remove(company Company) {
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for i, child := range c.children {
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if child == company {
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c.children = append(c.children[:i], c.children[i+1:]...)
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break
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}
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}
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fmt.Printf("在%s下关闭了分公司%s\n", c.name, company.(*ConcreteCompany).name)
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}
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func (c *ConcreteCompany) GetChild(i int) Company {
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if i < 0 || i >= len(c.children) {
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return nil
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}
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return c.children[i]
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}
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func main() {
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fmt.Println("============= 组合模式 =============")
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headOffice := &ConcreteCompany{name: "汤氏总公司"}
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headOffice.Add(&ConcreteCompany{name: "汤氏A分公司"})
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headOffice.Add(&ConcreteCompany{name: "汤氏B分公司"})
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headOffice.Add(&ConcreteCompany{name: "汤氏C分公司"})
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headOffice.GetChild(0).Add(&ConcreteCompany{name: "汤氏A分公司-子公司1"})
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headOffice.GetChild(0).Add(&ConcreteCompany{name: "汤氏A分公司-子公司2"})
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headOffice.Remove(headOffice.GetChild(2))
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fmt.Println()
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headOffice.Show("~ ")
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fmt.Println()
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headOffice.GetChild(0).Show("~ ")
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fmt.Println()
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fmt.Println("=========== 组合模式结束 ===========")
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}
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"""
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实例
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汤宝宝成为了一个电子画家，但是不同形状的笔刷和不同颜色颜料的组合让他犯了难...
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"""
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from abc import ABC, abstractmethod
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# 抽象类
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class Paint(ABC):
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@abstractmethod
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def use(self) -> str:
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pass
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class Brush(ABC):
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@abstractmethod
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def draw(self) -> None:
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pass
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# 具体实现类
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class RedPaint(Paint):
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def use(self) -> str:
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return "红色颜料"
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class BluePaint(Paint):
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def use(self) -> str:
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return "蓝色颜料"
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class RoundBrush(Brush):
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def __init__(self, paint: Paint) -> None:
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super().__init__()
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self.paint = paint
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def draw(self) -> None:
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print("使用圆形笔刷和" + self.paint.use() + "进行绘图！")
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class SquareBrush(Brush):
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def __init__(self, paint: Paint) -> None:
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super().__init__()
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self.paint = paint
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def draw(self) -> None:
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print("使用方形笔刷和" + self.paint.use() + "进行绘图！")
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# 绘图函数
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def painting(brush: Brush) -> None:
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brush.draw()
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if __name__ == "__main__":
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print("============= 桥接模式 =============")
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red_paint = RedPaint()
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blue_paint = BluePaint()
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painting(RoundBrush(red_paint))
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painting(SquareBrush(red_paint))
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painting(RoundBrush(blue_paint))
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painting(SquareBrush(blue_paint))
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print("\n=========== 桥接模式结束 ===========")
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@ -0,0 +1,73 @@
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"""
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实例
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汤宝宝成为了上市集团老总，他们集团有好多好多家分公司...
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"""
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from abc import ABC, abstractmethod
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# 抽象类
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class Company(ABC):
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name: str
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children: list["Company"]
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@abstractmethod
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def show(self, prefix: str) -> None:
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pass
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@abstractmethod
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def add(self, company: "Company") -> None:
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pass
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@abstractmethod
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def remove(self, company: "Company") -> None:
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pass
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@abstractmethod
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def get_child(self, index: int) -> "Company":
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pass
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# 实现类
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class ConcreteCompany(Company):
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name: str
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children: list[Company]
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def __init__(self, name: str) -> None:
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self.name = name
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self.children = []
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def show(self, prefix: str) -> None:
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print(f"{prefix}{self.name}")
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for child in self.children:
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child.show(f"{prefix}-> ")
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def add(self, company: Company) -> None:
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self.children.append(company)
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print(f"在{self.name}下开设了分公司{company.name}")
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def remove(self, company: Company) -> None:
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self.children.remove(company)
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print(f"在{self.name}下关闭了分公司{company.name}")
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def get_child(self, index: int) -> Company:
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if index < 0 or index >= len(self.children):
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raise IndexError("子公司索引超出范围")
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return self.children[index]
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if __name__ == "__main__":
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print("============= 组合模式 =============")
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head_office = ConcreteCompany("汤氏总公司")
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head_office.add(ConcreteCompany("汤氏A分公司"))
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head_office.add(ConcreteCompany("汤氏B分公司"))
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head_office.add(ConcreteCompany("汤氏C分公司"))
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head_office.get_child(0).add(ConcreteCompany("汤氏A分公司-子公司1"))
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head_office.get_child(0).add(ConcreteCompany("汤氏A分公司-子公司2"))
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head_office.remove(head_office.get_child(2))
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print("\n")
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head_office.show("~ ")
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print("\n")
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head_office.get_child(0).show("~ ")
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print("\n=========== 组合模式结束 ===========")
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@ -0,0 +1,66 @@
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/*
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实例
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汤宝宝成为了一个电子画家，但是不同形状的笔刷和不同颜色颜料的组合让他犯了难...
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*/
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// 抽象类
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interface Paint {
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use():string;
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}
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interface Brush {
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draw(): void;
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}
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// 具体实现类
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class RedPaint implements Paint {
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use(): string {
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return '红色颜料';
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}
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}
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class BluePaint implements Paint {
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use(): string {
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return '蓝色颜料';
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}
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}
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class CircleBrush implements Brush {
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private paint: Paint;
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constructor(paint: Paint) {
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this.paint = paint;
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}
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draw(): void {
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console.log(`使用圆形笔刷和${this.paint.use()}进行绘图！`);
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}
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}
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class SquareBrush implements Brush {
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private paint: Paint;
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constructor(paint: Paint) {
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this.paint = paint;
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}
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draw(): void {
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console.log(`使用方形笔刷和${this.paint.use()}进行绘图！`);
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}
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}
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const painting = (brush: Brush) => {
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brush.draw();
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}
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(function(){
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console.log('============= 桥接模式 =============')
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const redPaint = new RedPaint();
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const bluePaint = new BluePaint();
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painting(new CircleBrush(redPaint));
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painting(new SquareBrush(redPaint));
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painting(new CircleBrush(bluePaint));
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painting(new SquareBrush(bluePaint));
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console.log('\n=========== 桥接模式结束 ===========')
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})()
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@ -0,0 +1,59 @@
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/*
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实例
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汤宝宝成为了上市集团老总，他们集团有好多好多家分公司...
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*/
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interface Company {
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name: string;
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children: Company[];
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show(prefix: string): void;
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add(company: Company): void;
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remove(company: Company): void;
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getChild(index: number): Company | undefined;
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}
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class ConcreteCompany implements Company {
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name: string;
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children: Company[] = [];
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constructor(name: string) {
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this.name = name;
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}
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show(prefix: string): void {
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console.log(prefix + this.name);
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for (const child of this.children) {
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child.show(prefix + "-> ");
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}
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}
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add(company: Company): void {
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this.children.push(company);
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console.log(`在${this.name}下开设了分公司${company.name}`);
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}
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remove(company: Company): void {
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const index = this.children.indexOf(company);
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if (index !== -1) {
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this.children.splice(index, 1);
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}
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console.log(`在${this.name}下关闭了分公司${company.name}`);
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}
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getChild(index: number): Company | undefined {
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return this.children[index];
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}
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}
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(function () {
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console.log("============= 组合模式 =============");
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const headOffice = new ConcreteCompany("总公司");
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headOffice.add(new ConcreteCompany("汤氏A分公司"));
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headOffice.add(new ConcreteCompany("汤氏B分公司"));
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headOffice.add(new ConcreteCompany("汤氏C分公司"));
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headOffice.getChild(0)?.add(new ConcreteCompany("汤氏A分公司-子公司1"));
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headOffice.getChild(0)?.add(new ConcreteCompany("汤氏A分公司-子公司2"));
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headOffice.remove(headOffice.getChild(2)!);
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console.log();
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headOffice.show("~ ");
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console.log();
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headOffice.getChild(0)?.show("~ ");
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console.log("\n=========== 组合模式结束 ===========");
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})();
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