Command-Pattern Head-First版

Command-Pattern/Command.hpp

+#ifndef COMMAND_HPP
+#define COMMAND_HPP
+
+class Command {
+public:
+    virtual void execute() = 0;
+    
+    virtual ~Command() = default;
+};
+
+#endif
\ No newline at end of file

Command-Pattern/GarageDoorOpen.hpp

+#ifndef GARAGEDOOROPEN_HPP
+#define GARAGEDOOROPEN_HPP 
+ 
+#include <string>
+#include <iostream>
+
+#include "Command.hpp"
+
+class GarageDoorOpen : public Command {
+private:
+    std::string door;
+public:
+    GarageDoorOpen(std::string g) : door(g) {}
+
+    void execute() {
+        std::cout << door << " was opened" << std::endl;
+    }
+};
+
+#endif
\ No newline at end of file

Command-Pattern/LightOnCommand.hpp

+#ifndef LIGHTONCOMMAND_HPP
+#define LIGHTONCOMMAND_HPP
+
+#include <string>
+#include <iostream>
+
+#include "Command.hpp"
+
+class LightOnCommand : public Command {
+private:
+    std::string light;
+public:
+    LightOnCommand(std::string l) : light(l) {}
+
+    void execute() {
+        std::cout << light << " was turned on" << std::endl;
+    }
+};
+
+#endif
\ No newline at end of file

Command-Pattern/Makefile

+all:
+	g++ -g -Wall main.cpp -o main
+
+clean:
+	rm main

Command-Pattern/README.md

+## 命令模式
+
+![](https://img-blog.csdnimg.cn/20190616212348873.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlc3Ricm9va2xpdQ==,size_16,color_FFFFFF,t_70)
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Command-Pattern/SimpleRemoteControl.hpp

+#ifndef SIMPLEREMOTECONTROL_HPP
+#define SIMPLEREMOTECONTROL_HPP
+
+#include "Command.hpp"
+
+class SimpleRemoteControl {
+private:
+    Command *slot;
+
+public:
+    void setCommand(Command *command) {
+        slot = command;
+    }
+
+    void buttonWasPressed() {
+        slot->execute();
+    }
+};
+
+#endif
\ No newline at end of file

Command-Pattern/main.cpp

+#include "LightOnCommand.hpp"
+#include "SimpleRemoteControl.hpp"
+#include "GarageDoorOpen.hpp"
+
+int main() {
+    SimpleRemoteControl *remote = new SimpleRemoteControl();
+    LightOnCommand *lightOn = new LightOnCommand("my light");
+
+    remote->setCommand(lightOn);
+    remote->buttonWasPressed();
+
+    GarageDoorOpen *doorOpen = new GarageDoorOpen("my garage door");
+    remote->setCommand(doorOpen);
+    remote->buttonWasPressed();
+
+    delete remote;
+    delete lightOn;
+    delete doorOpen;
+}
\ No newline at end of file

README.md

@@ -71,6 +71,7 @@
 + [Chain of Resposibility(职责链)](https://github.com/liu-jianhao/Cpp-Design-Patterns/tree/master/Chain%20of%20Resposibility)
 ### 行为变化：
 + [Command](https://github.com/liu-jianhao/Cpp-Design-Patterns/tree/master/Command)
++ [Command(Head-First版)](https://github.com/liu-jianhao/Cpp-Design-Patterns/tree/master/Command-Pattern)
 + [Visitor](https://github.com/liu-jianhao/Cpp-Design-Patterns/tree/master/Visitor)
 ### 领域问题：
 + [Interpreter](https://github.com/liu-jianhao/Cpp-Design-Patterns/tree/master/Interpreter)