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头文件相关：

// AActor.h

//TODO 事实上，可以把AActor做成抽象类的，把具体的实现下发到子类中去，把AActor作为一个接口，个人只是为了练习，也就随便写写了

class AActor { public:     AActor();     ~AActor();     virtual bool Jump();     virtual bool Run();     virtual bool Walk();     virtual bool Attack();     virtual bool Idle();      };

//Attack.h

#include"Command.h"

class AttackCommand :public Command { public:     virtual void Execute(AActor& actor)     {         actor.Attack();     } };

//BaseLibrary.h

#include"Command.h"

class AttackCommand :public Command { public:     virtual void Execute(AActor& actor)     {         actor.Attack();     } };

// Command.h

#include "Actor.h"

class Command { public :     virtual ~Command() {};     virtual void Execute(AActor& actor) = 0; };

//IdleCommand.h

#include"Command.h"

class IdleCommand :public Command { public:     virtual void Execute(AActor& actor)     {         actor.Idle();     } };

//InputManager.h

#include "Command.h"

class KeyPress; class InputManager { public:         Command* HandleInput();     static InputManager* GetInputManager();     static KeyPress* GetKeyPress(); private:     InputManager();     InputManager(const InputManager&);     InputManager& operator=(const InputManager&);     ~InputManager();     Command* JumpButton;     Command* WalkButton;     Command* IdleButton;     Command* RunButton;     Command* AttackButon;     static KeyPress* mKeyPress;     static InputManager* mInputManager; };

//JumpCommand.h

#include"Command.h"

class JumpCommand :public Command { public :     virtual void Execute(AActor& actor)     {         actor.Jump();     } };

//KeyPress.h

class KeyPress

{ public:     static bool JumpPressed;     static bool WalkPressed;     static bool RunPressed;     static bool IdlePressed;     static bool AttackPressed;     void SetJumpPressed(bool press);     void SetWalkPressed(bool press);     void SetRunPressed(bool press);     void SetIdlePressed(bool press);     void SetAttackPressed(bool press);     bool GetJumpPressed();     bool GetWalkPressed();     bool GetRunPressed();     bool GetIdlePressed();     bool GetAttackPressed();     bool IsPress(bool isKeyPressed); };

//RunCommand.h

#include"Command.h"

class RunCommand :public Command { public:     virtual void Execute(AActor& actor)     {         actor.Run();     } };

//WalkCommand.h

#include"Command.h"

class WalkCommand :public Command { public:     virtual void Execute(AActor& actor)     {         actor.Walk();     } };

cpp文件相关：

//Actor.cpp

#include "Actor.h"

#include "BaseLibrary.h" using namespace std; AActor::AActor() { } AActor::~AActor() { } bool AActor::Jump() {     cout << "It Is Basic Jump Funtion Runnging!" << endl;     return true; } bool AActor::Run() {     cout << "It Is Basic Run Funtion Runnging!" << endl;     return true; } bool AActor::Walk() {     cout << "It Is Basic Walk Funtion Runnging!" << endl;     return true; } bool AActor::Attack() {     cout << "It Is Basic Attack Funtion Runnging!" << endl;     return true; } bool AActor::Idle() {     cout << "It Is Basic Idle Funtion Runnging!" << endl;     return true; }

//InputManager.cpp

#include "InputManager.h"

#include "KeyPress.h" #include "IdleCommand.h" #include "JumpCommand.h" #include "RunCommand.h" #include "WalkCommand.h" #include "Attack.h" InputManager* InputManager::mInputManager = new InputManager(); KeyPress* InputManager::mKeyPress = new KeyPress(); InputManager* InputManager::GetInputManager() {     return mInputManager; } KeyPress* InputManager::GetKeyPress() {     return mKeyPress; } InputManager::InputManager(const InputManager& input) { } InputManager& InputManager::operator=(const InputManager& input) {     return *mInputManager; } Command* InputManager::HandleInput() {     if (mKeyPress->JumpPressed)         return JumpButton;     if (mKeyPress->AttackPressed)         return AttackButon;     if (mKeyPress->RunPressed)         return RunButton;     if (mKeyPress->WalkPressed)         return WalkButton;     if (mKeyPress->IdlePressed)         return IdleButton;     return nullptr; } InputManager::InputManager() {     JumpButton = new JumpCommand();     WalkButton = new WalkCommand();     RunButton = new RunCommand();     AttackButon = new AttackCommand();     IdleButton = new IdleCommand(); } InputManager::~InputManager() {     if (mKeyPress != nullptr)         delete mKeyPress;     if (JumpButton != nullptr)         delete JumpButton;     if (WalkButton != nullptr)         delete WalkButton;     if (RunButton != nullptr)         delete RunButton;     if (IdleButton != nullptr)         delete AttackButon;     if (AttackButon != nullptr)         delete AttackButon;     mKeyPress = nullptr;     JumpButton = nullptr;     WalkButton = nullptr;     RunButton = nullptr;     IdleButton = nullptr;     AttackButon = nullptr; }

//KeyPress.cpp

#include "KeyPress.h"

 bool KeyPress::JumpPressed = false;  bool KeyPress::WalkPressed=false;  bool KeyPress::RunPressed = false;  bool KeyPress::IdlePressed=false;  bool KeyPress::AttackPressed=false; bool KeyPress::IsPress(bool isKeyPressed) {     if (isKeyPressed)         return true;     else         return false; } void KeyPress::SetJumpPressed(bool press) {     JumpPressed = press; } void KeyPress::SetWalkPressed(bool press) {     WalkPressed = press; } void KeyPress::SetRunPressed(bool press) {     RunPressed = press; } void KeyPress::SetIdlePressed(bool press) {     IdlePressed = press; } void KeyPress::SetAttackPressed(bool press) {     AttackPressed = press; } bool KeyPress::GetJumpPressed() {     return JumpPressed; } bool KeyPress::GetWalkPressed() {     return WalkPressed; } bool KeyPress::GetRunPressed() {     return RunPressed; } bool KeyPress::GetIdlePressed() {     return IdlePressed; } bool KeyPress::GetAttackPressed() {     return AttackPressed; }

//Test.cpp

#include "BaseLibrary.h"

#include "InputManager.h" #include "Command.h" #include "Actor.h" #include "KeyPress.h" using namespace std; int main() {     AActor actor;     InputManager::GetKeyPress()->SetAttackPressed(true);     Command*  cd = InputManager::GetInputManager()->HandleInput();     if (cd)         cd->Execute(actor);     InputManager::GetKeyPress()->SetIdlePressed(true);     InputManager::GetKeyPress()->SetAttackPressed(false);     cd = InputManager::GetInputManager()->HandleInput();     if (cd)         cd->Execute(actor);     system("pause");     return 0; }

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