From fb7360c38798306c2ed62d0bfc4077d8203c760b Mon Sep 17 00:00:00 2001 From: Bunny <1319900154@qq.com> Date: Sat, 1 Feb 2025 17:36:49 +0800 Subject: [PATCH] =?UTF-8?q?feat:=20=E9=87=8D=E5=86=99=E7=AD=96=E7=95=A5?= =?UTF-8?q?=E6=A8=A1=E5=BC=8F?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- README/设计模式.md | 210 ++---------------- .../cn/bunny/pattern2/{ => demo1}/Main.java | 8 +- .../{ => demo1}/behavior/fly/FlyBehavior.java | 2 +- .../{ => demo1}/behavior/fly/FlyNoWay.java | 2 +- .../behavior/fly/FlyWithWings.java | 2 +- .../{ => demo1}/behavior/quack/MuteQuack.java | 2 +- .../{ => demo1}/behavior/quack/Quack.java | 2 +- .../behavior/quack/QuackBehavior.java | 2 +- .../{ => demo1}/duck/AbstractDuck.java | 6 +- .../pattern2/{ => demo1}/duck/ModelDuck.java | 6 +- .../pattern2/{ => demo1}/duck/WoodDuck.java | 6 +- .../cn/bunny/pattern2/demo2/BaseStrategy.java | 63 ++++++ .../bunny/pattern2/demo3/GameCharacter.java | 87 ++++++++ .../bunny/pattern5/demo1/AirConditioner.java | 12 + .../java/cn/bunny/pattern5/demo1/Main.java | 36 +++ .../bunny/pattern5/demo1/RemoteControl.java | 14 ++ .../main/java/cn/bunny/pattern5/demo1/TV.java | 14 ++ .../command/AirConditionerOffCommand.java | 17 ++ .../command/AirConditionerOnCommand.java | 17 ++ .../bunny/pattern5/demo1/command/Command.java | 5 + .../pattern5/demo1/command/TVOffCommand.java | 17 ++ .../pattern5/demo1/command/TVOnCommand.java | 17 ++ .../java/cn/bunny/pattern5/demo2/Cook.java | 21 ++ .../java/cn/bunny/pattern5/demo2/Main.java | 20 ++ .../java/cn/bunny/pattern5/demo2/Waiter.java | 27 +++ .../demo2/command/BakeChickenWingCommand.java | 18 ++ .../demo2/command/BakeMuttonCommand.java | 18 ++ .../bunny/pattern5/demo2/command/Command.java | 19 ++ 28 files changed, 463 insertions(+), 207 deletions(-) rename pattern/src/main/java/cn/bunny/pattern2/{ => demo1}/Main.java (72%) rename pattern/src/main/java/cn/bunny/pattern2/{ => demo1}/behavior/fly/FlyBehavior.java (65%) rename pattern/src/main/java/cn/bunny/pattern2/{ => demo1}/behavior/fly/FlyNoWay.java (79%) rename pattern/src/main/java/cn/bunny/pattern2/{ => demo1}/behavior/fly/FlyWithWings.java (80%) rename pattern/src/main/java/cn/bunny/pattern2/{ => demo1}/behavior/quack/MuteQuack.java (78%) rename pattern/src/main/java/cn/bunny/pattern2/{ => demo1}/behavior/quack/Quack.java (79%) rename pattern/src/main/java/cn/bunny/pattern2/{ => demo1}/behavior/quack/QuackBehavior.java (65%) rename pattern/src/main/java/cn/bunny/pattern2/{ => demo1}/duck/AbstractDuck.java (77%) rename pattern/src/main/java/cn/bunny/pattern2/{ => demo1}/duck/ModelDuck.java (77%) rename pattern/src/main/java/cn/bunny/pattern2/{ => demo1}/duck/WoodDuck.java (71%) create mode 100644 pattern/src/main/java/cn/bunny/pattern2/demo2/BaseStrategy.java create mode 100644 pattern/src/main/java/cn/bunny/pattern2/demo3/GameCharacter.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo1/AirConditioner.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo1/Main.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo1/RemoteControl.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo1/TV.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo1/command/AirConditionerOffCommand.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo1/command/AirConditionerOnCommand.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo1/command/Command.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo1/command/TVOffCommand.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo1/command/TVOnCommand.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo2/Cook.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo2/Main.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo2/Waiter.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo2/command/BakeChickenWingCommand.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo2/command/BakeMuttonCommand.java create mode 100644 pattern/src/main/java/cn/bunny/pattern5/demo2/command/Command.java diff --git a/README/设计模式.md b/README/设计模式.md index 8f848f0..67f21e9 100644 --- a/README/设计模式.md +++ b/README/设计模式.md @@ -143,7 +143,15 @@ public class Main { ## 工厂模式 -工厂模式（Factory Pattern）是创建型设计模式的一种，它提供了一种创建对象的方式，而不需要暴露具体的类实例化过程。工厂模式有三种常见的实现方式： +工厂模式（Factory Pattern）是创建型设计模式的一种，它提供了一种创建对象的方式，而不需要暴露具体的类实例化过程。 + +工厂模式适用于以下场景： + +- **对象创建逻辑复杂**：当对象的创建过程比较复杂，包含多个初始化步骤时。 +- **类的创建与实现解耦**：客户端只关心产品的接口，而不关心具体实现。 +- **动态选择不同类型的对象**：需要根据不同条件动态选择创建的对象类型。 +- **产品种类变化频繁**：产品的类型变化较多时，使用工厂模式能使扩展更加灵活。 +- **避免客户端直接实例化**：通过工厂封装对象的创建过程，减少客户端与具体实现的耦合。 ### 1. **简单工厂模式（Simple Factory Pattern）** @@ -366,202 +374,23 @@ public class Client { - **工厂方法模式**：通过子类来决定产品的创建，适合产品种类较多时，且产品可能会变化。 - **抽象工厂模式**：提供多个相关的产品的创建接口，适合需要创建一系列相关产品的场景。 -## 策略模式 -![image-20250131223259043](./images/设计模式/image-20250131223259043.png) - -![image-20250131223315954](./images/设计模式/image-20250131223315954.png) - -我们通过策略模式来实现鸭子的飞行和叫声行为，使得它们可以在运行时灵活替换。 - -### 飞行行为 - -#### 飞行接口 - -```java -public interface FlyBehavior { - /** - * 飞的样子 - */ - void fly(); -} -``` - -#### 飞行实现 - -```java -public class FlyNoWay implements FlyBehavior { - /** - * 飞的样子 - */ - @Override - public void fly() { - System.out.println("不能飞。。。"); - } -} - -public class FlyWithWings implements FlyBehavior { - /** - * 飞的样子 - */ - @Override - public void fly() { - System.out.println("可以飞。。。"); - } -} - -``` - -### 叫的行为 - -#### 叫的接口 - -```java -public interface QuackBehavior { - /** - * 怎么叫的 - */ - void quack(); -} -``` - -#### 叫的实现 - -```java -public class MuteQuack implements QuackBehavior { - /** - * 怎么叫的 - */ - @Override - public void quack() { - System.out.println("不会叫..."); - } -} - -public class Quack implements QuackBehavior { - /** - * 怎么叫的 - */ - @Override - public void quack() { - System.out.println("鸭子叫。。。"); - } -} -``` - -### 鸭子 - -```java -@Setter -public abstract class AbstractDuck { - // 设置新的叫声行为 - QuackBehavior quackBehavior; - // 设置新的飞行行为 - FlyBehavior flyBehavior; - - public AbstractDuck() { - } - - /** - * 展示什么类型的鸭子 - */ - public abstract void display(); - - public void performFly() { - flyBehavior.fly(); - } - - public void performQuack() { - quackBehavior.quack(); - } - - public void swim() { - System.out.println("鸭子游泳"); - } -} -``` - -#### 鸭子继承 - -```java -public class ModelDuck extends AbstractDuck { - - private final String modelDuck = "橡皮🦆"; - - public ModelDuck() { - super.setFlyBehavior(new FlyNoWay()); - super.quackBehavior = new MuteQuack(); - } - - /** - * 展示什么类型的鸭子 - */ - @Override - public void display() { - System.out.println(modelDuck + "..."); - } - - /** - * - */ - @Override - public void swim() { - System.out.println(modelDuck + "不会游泳。。。"); - } -} - -public class WoodDuck extends AbstractDuck { - - private final String modelDuck = "木头🦆"; - - public WoodDuck() { - super.flyBehavior = new FlyNoWay(); - super.quackBehavior = new MuteQuack(); - } - - /** - * 展示什么类型的鸭子 - */ - @Override - public void display() { - System.out.println(modelDuck + "..."); - } -} -``` - -### 运行 - -```java -public class Main { - public static void main(String[] args) { - ModelDuck modelDuck = new ModelDuck(); - modelDuck.display(); - modelDuck.performFly(); - modelDuck.performQuack(); - modelDuck.swim(); - - System.out.println("--------------------------------"); - - AbstractDuck woodDuck = new WoodDuck(); - woodDuck.display(); - woodDuck.performFly(); - woodDuck.performQuack(); - woodDuck.swim(); - } -} -``` - -![image-20250131224206984](./images/设计模式/image-20250131224206984.png) ## 观察者模式 -观察者模式是一种行为设计模式，它允许一个对象（被观察者）在其状态发生变化时，自动通知所有依赖于它的对象（观察者），而不需要知道这些观察者的具体细节。其主要思想是实现“低耦合”，即对象之间的关系通过接口进行松散连接。 +观察者模式是一种行为设计模式，它允许一个对象（被观察者）在其状态发生变化时，自动通知所有依赖于它的对象（观察者），而不需要知道这些观察者的具体细节。其主要思想是实现“低耦合”，即对象之间的关系通过接口进行松散连接。为了避免使用过时的类，我们可以手动实现观察者模式。我们需要定义一个“观察者”接口和一个“被观察者”接口，并在被观察者中维护一个观察者的列表，通知观察者更新状态。 ![image-20250131222844877](./images/设计模式/image-20250131222844877.png) ![image-20250131222858501](./images/设计模式/image-20250131222858501.png) -为了避免使用过时的类，我们可以手动实现观察者模式。我们需要定义一个“观察者”接口和一个“被观察者”接口，并在被观察者中维护一个观察者的列表，通知观察者更新状态。 +观察者模式在以下场景中非常适用： + +- **事件驱动的系统**：如 GUI 事件处理、用户交互。 +- **发布/订阅机制**：如新闻推送、社交媒体更新。 +- **实时数据监控**：如股票、天气、系统监控等。 +- **模型-视图-控制器（MVC）**：使视图根据模型的变化自动更新。 +- **实时更新场景**：如游戏开发中的实时数据变化通知。 ### 观察者 @@ -737,6 +566,8 @@ public class Main { 简单来说，装饰器模式通过“装饰”原有对象来扩展功能，而不是通过继承来修改对象的行为。 +适用的场景包括 I/O 流处理、GUI 组件、日志功能、权限管理、Web 请求处理等。在这些场景中，装饰器模式帮助程序员按需扩展功能，而不会破坏现有代码的结构。 + **汽车案例** 假设你有一辆普通的车（**基本功能**），如果你想让这辆车变成运动型车或豪华车（**添加新功能**），你可以将这辆车包装在不同的装饰器中。例如： @@ -849,3 +680,6 @@ public class Main { ``` ![image-20250201135138918](./images/设计模式/image-20250201135138918.png) + +## 命令模式 + diff --git a/pattern/src/main/java/cn/bunny/pattern2/Main.java b/pattern/src/main/java/cn/bunny/pattern2/demo1/Main.java similarity index 72% rename from pattern/src/main/java/cn/bunny/pattern2/Main.java rename to pattern/src/main/java/cn/bunny/pattern2/demo1/Main.java index cb91c9b..86dcfeb 100644 --- a/pattern/src/main/java/cn/bunny/pattern2/Main.java +++ b/pattern/src/main/java/cn/bunny/pattern2/demo1/Main.java @@ -1,8 +1,8 @@ -package cn.bunny.pattern2; +package cn.bunny.pattern2.demo1; -import cn.bunny.pattern2.duck.AbstractDuck; -import cn.bunny.pattern2.duck.ModelDuck; -import cn.bunny.pattern2.duck.WoodDuck; +import cn.bunny.pattern2.demo1.duck.AbstractDuck; +import cn.bunny.pattern2.demo1.duck.ModelDuck; +import cn.bunny.pattern2.demo1.duck.WoodDuck; public class Main { public static void main(String[] args) { diff --git a/pattern/src/main/java/cn/bunny/pattern2/behavior/fly/FlyBehavior.java b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/fly/FlyBehavior.java similarity index 65% rename from pattern/src/main/java/cn/bunny/pattern2/behavior/fly/FlyBehavior.java rename to pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/fly/FlyBehavior.java index d2b0d14..c7210be 100644 --- a/pattern/src/main/java/cn/bunny/pattern2/behavior/fly/FlyBehavior.java +++ b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/fly/FlyBehavior.java @@ -1,4 +1,4 @@ -package cn.bunny.pattern2.behavior.fly; +package cn.bunny.pattern2.demo1.behavior.fly; public interface FlyBehavior { /** diff --git a/pattern/src/main/java/cn/bunny/pattern2/behavior/fly/FlyNoWay.java b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/fly/FlyNoWay.java similarity index 79% rename from pattern/src/main/java/cn/bunny/pattern2/behavior/fly/FlyNoWay.java rename to pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/fly/FlyNoWay.java index 55ee506..3d622a3 100644 --- a/pattern/src/main/java/cn/bunny/pattern2/behavior/fly/FlyNoWay.java +++ b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/fly/FlyNoWay.java @@ -1,4 +1,4 @@ -package cn.bunny.pattern2.behavior.fly; +package cn.bunny.pattern2.demo1.behavior.fly; public class FlyNoWay implements FlyBehavior { /** diff --git a/pattern/src/main/java/cn/bunny/pattern2/behavior/fly/FlyWithWings.java b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/fly/FlyWithWings.java similarity index 80% rename from pattern/src/main/java/cn/bunny/pattern2/behavior/fly/FlyWithWings.java rename to pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/fly/FlyWithWings.java index 4e2f373..38e2f7b 100644 --- a/pattern/src/main/java/cn/bunny/pattern2/behavior/fly/FlyWithWings.java +++ b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/fly/FlyWithWings.java @@ -1,4 +1,4 @@ -package cn.bunny.pattern2.behavior.fly; +package cn.bunny.pattern2.demo1.behavior.fly; public class FlyWithWings implements FlyBehavior { /** diff --git a/pattern/src/main/java/cn/bunny/pattern2/behavior/quack/MuteQuack.java b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/quack/MuteQuack.java similarity index 78% rename from pattern/src/main/java/cn/bunny/pattern2/behavior/quack/MuteQuack.java rename to pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/quack/MuteQuack.java index 99537fc..ffe2b19 100644 --- a/pattern/src/main/java/cn/bunny/pattern2/behavior/quack/MuteQuack.java +++ b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/quack/MuteQuack.java @@ -1,4 +1,4 @@ -package cn.bunny.pattern2.behavior.quack; +package cn.bunny.pattern2.demo1.behavior.quack; public class MuteQuack implements QuackBehavior { /** diff --git a/pattern/src/main/java/cn/bunny/pattern2/behavior/quack/Quack.java b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/quack/Quack.java similarity index 79% rename from pattern/src/main/java/cn/bunny/pattern2/behavior/quack/Quack.java rename to pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/quack/Quack.java index 6088bfa..723fda5 100644 --- a/pattern/src/main/java/cn/bunny/pattern2/behavior/quack/Quack.java +++ b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/quack/Quack.java @@ -1,4 +1,4 @@ -package cn.bunny.pattern2.behavior.quack; +package cn.bunny.pattern2.demo1.behavior.quack; public class Quack implements QuackBehavior { /** diff --git a/pattern/src/main/java/cn/bunny/pattern2/behavior/quack/QuackBehavior.java b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/quack/QuackBehavior.java similarity index 65% rename from pattern/src/main/java/cn/bunny/pattern2/behavior/quack/QuackBehavior.java rename to pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/quack/QuackBehavior.java index abe26d1..16bb7d9 100644 --- a/pattern/src/main/java/cn/bunny/pattern2/behavior/quack/QuackBehavior.java +++ b/pattern/src/main/java/cn/bunny/pattern2/demo1/behavior/quack/QuackBehavior.java @@ -1,4 +1,4 @@ -package cn.bunny.pattern2.behavior.quack; +package cn.bunny.pattern2.demo1.behavior.quack; public interface QuackBehavior { /** diff --git a/pattern/src/main/java/cn/bunny/pattern2/duck/AbstractDuck.java b/pattern/src/main/java/cn/bunny/pattern2/demo1/duck/AbstractDuck.java similarity index 77% rename from pattern/src/main/java/cn/bunny/pattern2/duck/AbstractDuck.java rename to pattern/src/main/java/cn/bunny/pattern2/demo1/duck/AbstractDuck.java index aed2310..a62524d 100644 --- a/pattern/src/main/java/cn/bunny/pattern2/duck/AbstractDuck.java +++ b/pattern/src/main/java/cn/bunny/pattern2/demo1/duck/AbstractDuck.java @@ -1,7 +1,7 @@ -package cn.bunny.pattern2.duck; +package cn.bunny.pattern2.demo1.duck; -import cn.bunny.pattern2.behavior.fly.FlyBehavior; -import cn.bunny.pattern2.behavior.quack.QuackBehavior; +import cn.bunny.pattern2.demo1.behavior.fly.FlyBehavior; +import cn.bunny.pattern2.demo1.behavior.quack.QuackBehavior; import lombok.Setter; @Setter diff --git a/pattern/src/main/java/cn/bunny/pattern2/duck/ModelDuck.java b/pattern/src/main/java/cn/bunny/pattern2/demo1/duck/ModelDuck.java similarity index 77% rename from pattern/src/main/java/cn/bunny/pattern2/duck/ModelDuck.java rename to pattern/src/main/java/cn/bunny/pattern2/demo1/duck/ModelDuck.java index 7e896a7..e1ad789 100644 --- a/pattern/src/main/java/cn/bunny/pattern2/duck/ModelDuck.java +++ b/pattern/src/main/java/cn/bunny/pattern2/demo1/duck/ModelDuck.java @@ -1,7 +1,7 @@ -package cn.bunny.pattern2.duck; +package cn.bunny.pattern2.demo1.duck; -import cn.bunny.pattern2.behavior.fly.FlyNoWay; -import cn.bunny.pattern2.behavior.quack.MuteQuack; +import cn.bunny.pattern2.demo1.behavior.fly.FlyNoWay; +import cn.bunny.pattern2.demo1.behavior.quack.MuteQuack; public class ModelDuck extends AbstractDuck { diff --git a/pattern/src/main/java/cn/bunny/pattern2/duck/WoodDuck.java b/pattern/src/main/java/cn/bunny/pattern2/demo1/duck/WoodDuck.java similarity index 71% rename from pattern/src/main/java/cn/bunny/pattern2/duck/WoodDuck.java rename to pattern/src/main/java/cn/bunny/pattern2/demo1/duck/WoodDuck.java index d139f61..49f4f2f 100644 --- a/pattern/src/main/java/cn/bunny/pattern2/duck/WoodDuck.java +++ b/pattern/src/main/java/cn/bunny/pattern2/demo1/duck/WoodDuck.java @@ -1,7 +1,7 @@ -package cn.bunny.pattern2.duck; +package cn.bunny.pattern2.demo1.duck; -import cn.bunny.pattern2.behavior.fly.FlyNoWay; -import cn.bunny.pattern2.behavior.quack.MuteQuack; +import cn.bunny.pattern2.demo1.behavior.fly.FlyNoWay; +import cn.bunny.pattern2.demo1.behavior.quack.MuteQuack; public class WoodDuck extends AbstractDuck { diff --git a/pattern/src/main/java/cn/bunny/pattern2/demo2/BaseStrategy.java b/pattern/src/main/java/cn/bunny/pattern2/demo2/BaseStrategy.java new file mode 100644 index 0000000..c9cc668 --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern2/demo2/BaseStrategy.java @@ -0,0 +1,63 @@ +package cn.bunny.pattern2.demo2; + +public class BaseStrategy { + + public static void main(String[] args) { + // 每一个策略 + ConcreteStrategy1 concreteStrategy1 = new ConcreteStrategy1(); + ConcreteStrategy2 concreteStrategy2 = new ConcreteStrategy2(); + + // 执行策略 + new Context(concreteStrategy1).doIt(); + new Context(concreteStrategy2).doIt(); + } + + // 基本的策略 + public interface Strategy { + + /** + * 需要执行的方法 + */ + void method(); + } + + // 具体的策略实现1 + public static class ConcreteStrategy1 implements Strategy { + + /** + * 需要执行的方法 + */ + @Override + public void method() { + System.out.println("具体的策略实现1..."); + } + } + + // 具体的策略实现2 + public static class ConcreteStrategy2 implements Strategy { + + /** + * 需要执行的方法 + */ + @Override + public void method() { + System.out.println("具体的策略实现2..."); + } + } + + // 提供上下文 + public static class Context { + private final Strategy strategy; + + public Context(Strategy strategy) { + this.strategy = strategy; + } + + /** + * 需要做的事情 + */ + public void doIt() { + strategy.method(); + } + } +} diff --git a/pattern/src/main/java/cn/bunny/pattern2/demo3/GameCharacter.java b/pattern/src/main/java/cn/bunny/pattern2/demo3/GameCharacter.java new file mode 100644 index 0000000..d056eef --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern2/demo3/GameCharacter.java @@ -0,0 +1,87 @@ +package cn.bunny.pattern2.demo3; + + +import lombok.Setter; + +public class GameCharacter { + public static void main(String[] args) { + Character soldier = new Soldier(); + soldier.fight(); + + Character king = new King(); + king.setPrimaryWeapon(new AxeWeapon()); + king.fight(); + } + + // 武器接口 + interface Weapon { + String function(); + } + + // 各种武器实现 + public static class SwordWeapon implements Weapon { + @Override + public String function() { + return "⚔️ ⚔️ ⚔️"; + } + } + + public static class AxeWeapon implements Weapon { + @Override + public String function() { + return "🪓 🪓 🪓"; + } + } + + public static class KnifeWeapon implements Weapon { + @Override + public String function() { + return "🔪 🔪 🔪"; + } + } + + // 抽象角色类 + public abstract static class Character { + String name; + @Setter + private Weapon primaryWeapon; + @Setter + private Weapon subWeapon; + + public Character(String name) { + this.name = name; + // 默认武器配置 + this.primaryWeapon = new SwordWeapon(); + this.subWeapon = new KnifeWeapon(); + } + + void fight() { + if (primaryWeapon != null && subWeapon != null) { + String primary = primaryWeapon.function(); + String sub = subWeapon.function(); + System.out.println(name + "：" + primary + "和" + sub); + } else { + System.out.println(name + "没有武器！"); + } + } + } + + // 国王角色 + public static class King extends Character { + public King() { + super("King"); + setPrimaryWeapon(new SwordWeapon()); + setSubWeapon(new KnifeWeapon()); + } + } + + // 士兵角色 + public static class Soldier extends Character { + public Soldier() { + super("Soldier"); + setPrimaryWeapon(new AxeWeapon()); + setSubWeapon(new SwordWeapon()); + } + } +} + diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo1/AirConditioner.java b/pattern/src/main/java/cn/bunny/pattern5/demo1/AirConditioner.java new file mode 100644 index 0000000..e1b1849 --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo1/AirConditioner.java @@ -0,0 +1,12 @@ +package cn.bunny.pattern5.demo1; + +// 接收者：空调 +public class AirConditioner { + public void on() { + System.out.println("空调打开了"); + } + + public void off() { + System.out.println("空调关闭了"); + } +} \ No newline at end of file diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo1/Main.java b/pattern/src/main/java/cn/bunny/pattern5/demo1/Main.java new file mode 100644 index 0000000..e7a000f --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo1/Main.java @@ -0,0 +1,36 @@ +package cn.bunny.pattern5.demo1; + +import cn.bunny.pattern5.demo1.command.*; + +public class Main { + public static void main(String[] args) { + // 创建接收者对象 + TV tv = new TV(); + AirConditioner airConditioner = new AirConditioner(); + + // 创建命令对象并绑定接收者 + Command tvOn = new TVOnCommand(tv); + Command tvOff = new TVOffCommand(tv); + Command airConditionerOn = new AirConditionerOnCommand(airConditioner); + Command airConditionerOff = new AirConditionerOffCommand(airConditioner); + + // 创建遥控器（调用者） + RemoteControl remoteControl = new RemoteControl(); + + // 按钮1：打开电视 + remoteControl.setCommand(tvOn); + remoteControl.pressButton(); // 输出：电视机打开了 + + // 按钮2：关闭电视 + remoteControl.setCommand(tvOff); + remoteControl.pressButton(); // 输出：电视机关闭了 + + // 按钮3：打开空调 + remoteControl.setCommand(airConditionerOn); + remoteControl.pressButton(); // 输出：空调打开了 + + // 按钮4：关闭空调 + remoteControl.setCommand(airConditionerOff); + remoteControl.pressButton(); // 输出：空调关闭了 + } +} diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo1/RemoteControl.java b/pattern/src/main/java/cn/bunny/pattern5/demo1/RemoteControl.java new file mode 100644 index 0000000..0f9d709 --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo1/RemoteControl.java @@ -0,0 +1,14 @@ +package cn.bunny.pattern5.demo1; + +import cn.bunny.pattern5.demo1.command.Command; +import lombok.Setter; + +// 遥控器（调用者） +@Setter +public class RemoteControl { + private Command command; + + public void pressButton() { + command.execute(); + } +} diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo1/TV.java b/pattern/src/main/java/cn/bunny/pattern5/demo1/TV.java new file mode 100644 index 0000000..5a06a80 --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo1/TV.java @@ -0,0 +1,14 @@ +package cn.bunny.pattern5.demo1; + +// 接收者：电视机 +public class TV { + public void on() { + System.out.println("电视机打开了"); + } + + public void off() { + System.out.println("电视机关闭了"); + } +} + + diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo1/command/AirConditionerOffCommand.java b/pattern/src/main/java/cn/bunny/pattern5/demo1/command/AirConditionerOffCommand.java new file mode 100644 index 0000000..cfe7c30 --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo1/command/AirConditionerOffCommand.java @@ -0,0 +1,17 @@ +package cn.bunny.pattern5.demo1.command; + +import cn.bunny.pattern5.demo1.AirConditioner; + +// 具体命令类：关闭空调的命令 +public class AirConditionerOffCommand implements Command { + private final AirConditioner airConditioner; + + public AirConditionerOffCommand(AirConditioner airConditioner) { + this.airConditioner = airConditioner; + } + + @Override + public void execute() { + airConditioner.off(); + } +} \ No newline at end of file diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo1/command/AirConditionerOnCommand.java b/pattern/src/main/java/cn/bunny/pattern5/demo1/command/AirConditionerOnCommand.java new file mode 100644 index 0000000..c1a1eb3 --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo1/command/AirConditionerOnCommand.java @@ -0,0 +1,17 @@ +package cn.bunny.pattern5.demo1.command; + +import cn.bunny.pattern5.demo1.AirConditioner; + +// 具体命令类：打开空调的命令 +public class AirConditionerOnCommand implements Command { + private final AirConditioner airConditioner; + + public AirConditionerOnCommand(AirConditioner airConditioner) { + this.airConditioner = airConditioner; + } + + @Override + public void execute() { + airConditioner.on(); + } +} \ No newline at end of file diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo1/command/Command.java b/pattern/src/main/java/cn/bunny/pattern5/demo1/command/Command.java new file mode 100644 index 0000000..ea75ab6 --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo1/command/Command.java @@ -0,0 +1,5 @@ +package cn.bunny.pattern5.demo1.command; + +public interface Command { + void execute(); +} diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo1/command/TVOffCommand.java b/pattern/src/main/java/cn/bunny/pattern5/demo1/command/TVOffCommand.java new file mode 100644 index 0000000..9dd1e5a --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo1/command/TVOffCommand.java @@ -0,0 +1,17 @@ +package cn.bunny.pattern5.demo1.command; + +import cn.bunny.pattern5.demo1.TV; + +// 具体命令类：关闭电视的命令 +public class TVOffCommand implements Command { + private final TV tv; + + public TVOffCommand(TV tv) { + this.tv = tv; + } + + @Override + public void execute() { + tv.off(); + } +} \ No newline at end of file diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo1/command/TVOnCommand.java b/pattern/src/main/java/cn/bunny/pattern5/demo1/command/TVOnCommand.java new file mode 100644 index 0000000..d348f1d --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo1/command/TVOnCommand.java @@ -0,0 +1,17 @@ +package cn.bunny.pattern5.demo1.command; + +import cn.bunny.pattern5.demo1.TV; + +// 具体命令类：打开电视的命令 +public class TVOnCommand implements Command { + private final TV tv; + + public TVOnCommand(TV tv) { + this.tv = tv; + } + + @Override + public void execute() { + tv.on(); + } +} \ No newline at end of file diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo2/Cook.java b/pattern/src/main/java/cn/bunny/pattern5/demo2/Cook.java new file mode 100644 index 0000000..e83913c --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo2/Cook.java @@ -0,0 +1,21 @@ +package cn.bunny.pattern5.demo2; + +/** + * 厨师类 + */ +public class Cook { + + /** + * 烤羊肉串 + */ + public void bakeMutton() { + System.out.println("厨师-烤羊肉串。。。"); + } + + /** + * 烤鸡翅 + */ + public void bakeChickenWing() { + System.out.println("厨师-烤鸡翅。。。"); + } +} diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo2/Main.java b/pattern/src/main/java/cn/bunny/pattern5/demo2/Main.java new file mode 100644 index 0000000..8009adf --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo2/Main.java @@ -0,0 +1,20 @@ +package cn.bunny.pattern5.demo2; + +import cn.bunny.pattern5.demo2.command.BakeChickenWingCommand; +import cn.bunny.pattern5.demo2.command.BakeMuttonCommand; + +public class Main { + public static void main(String[] args) { + Cook cook = new Cook(); + Waiter waiter = new Waiter(); + + // 来点烤鸡翅 + waiter.addCommand(new BakeChickenWingCommand(cook)); + + // 点烤羊肉串 + waiter.addCommand(new BakeMuttonCommand(cook)); + + // 通知厨师去做 + waiter.notifyCook(); + } +} diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo2/Waiter.java b/pattern/src/main/java/cn/bunny/pattern5/demo2/Waiter.java new file mode 100644 index 0000000..62e59cd --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo2/Waiter.java @@ -0,0 +1,27 @@ +package cn.bunny.pattern5.demo2; + +import cn.bunny.pattern5.demo2.command.Command; + +import java.util.ArrayList; +import java.util.List; + +/** + * 服务员 + */ +public class Waiter { + + private final List commandList = new ArrayList<>(); + + public void addCommand(Command command) { + commandList.add(command); + } + + /** + * 通知厨师去做 + */ + public void notifyCook() { + for (Command command : commandList) { + command.execute(); + } + } +} diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo2/command/BakeChickenWingCommand.java b/pattern/src/main/java/cn/bunny/pattern5/demo2/command/BakeChickenWingCommand.java new file mode 100644 index 0000000..55de94e --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo2/command/BakeChickenWingCommand.java @@ -0,0 +1,18 @@ +package cn.bunny.pattern5.demo2.command; + +import cn.bunny.pattern5.demo2.Cook; + +public class BakeChickenWingCommand extends Command { + + public BakeChickenWingCommand(Cook cook) { + super(cook); + } + + /** + * 命名的执行方法，对具体进行处理 + */ + @Override + public void execute() { + cook.bakeChickenWing(); + } +} diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo2/command/BakeMuttonCommand.java b/pattern/src/main/java/cn/bunny/pattern5/demo2/command/BakeMuttonCommand.java new file mode 100644 index 0000000..a4bd2e7 --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo2/command/BakeMuttonCommand.java @@ -0,0 +1,18 @@ +package cn.bunny.pattern5.demo2.command; + +import cn.bunny.pattern5.demo2.Cook; + +public class BakeMuttonCommand extends Command { + + public BakeMuttonCommand(Cook cook) { + super(cook); + } + + /** + * 命名的执行方法，对具体进行处理 + */ + @Override + public void execute() { + cook.bakeMutton(); + } +} diff --git a/pattern/src/main/java/cn/bunny/pattern5/demo2/command/Command.java b/pattern/src/main/java/cn/bunny/pattern5/demo2/command/Command.java new file mode 100644 index 0000000..6f84dbc --- /dev/null +++ b/pattern/src/main/java/cn/bunny/pattern5/demo2/command/Command.java @@ -0,0 +1,19 @@ +package cn.bunny.pattern5.demo2.command; + +import cn.bunny.pattern5.demo2.Cook; + +/** + * 命名的抽象，可以提供具体的厨师 + */ +public abstract class Command { + protected Cook cook; + + public Command(Cook cook) { + this.cook = cook; + } + + /** + * 命名的执行方法，对具体进行处理 + */ + public abstract void execute(); +}