创建基类dog类

CMakeLists.txt

@@ -3,4 +3,4 @@ project(cpp_12_polymorphic)
 
 set(CMAKE_CXX_STANDARD 11)
 
-add_executable(cpp_12_polymorphic main.cpp Animal.cpp Animal.h)
+add_executable(cpp_12_polymorphic main.cpp Animal.cpp Animal.h dog.cpp dog.h)

dog.cpp

+//
+// Created by 11010 on 2023/4/9.
+//
+
+#include "dog.h"
+#include "Animal.h"
+
+dog::dog() : Animal() {
+
+}
+
+dog::dog(string color, string food) : Animal(color, food) {
+    this->color = color;
+    this->food = food;
+}
+
+dog::dog(string name, string color, string food) : Animal(name, color, food) {
+    this->name = name;
+    this->color = color;
+    this->food = food;
+}
+
+void dog::run() {
+    cout << name + "¾ßÓÐÅܵÄÄÜÁ¦" << endl;
+}

dog.h

+//
+// Created by 11010 on 2023/4/9.
+//
+
+#ifndef CPP_12_POLYMORPHIC_DOG_H
+#define CPP_12_POLYMORPHIC_DOG_H
+#include <iostream>
+#include <string>
+#include "Animal.h"
+
+using namespace std;
+
+//̳࣬animal
+class dog: public Animal{
+public:
+    dog();
+    dog(string color,string food);
+    dog(string name,string color,string food);
+
+    void run();
+};
+
+
+#endif //CPP_12_POLYMORPHIC_DOG_H