// ConsoleApplication19.cpp : 定义控制台应用程序的入口点。

//

#pragma warning(disable:4996)

#include "stdafx.h"

using namespace std;

#include <iostream>

class A {

public:

    //=等号操作默认的是浅拷贝 这里重载=为深拷贝 当类里出现指针变量 用等号是浅拷贝

    A& operator=(A& obj)

    {

        if (this->pc != NULL)

        {

            this->a = ;

            delete this->pc;

        }

        this->a = obj.a;

        this->pc = new char[obj.a];

        return *this;

    }

    A() {}

    A(int a)

    {

        this->a = a;

        this->pc = new char[a];

    }

    ~A()

    {

        if (this->pc != NULL)

        {

            delete pc;

        }

        cout << "A析构函数"<< endl;

    }

private:

    int a;

    char * pc;

};

class B {

public:

    B()

    {

    }

private:

    int b1;

    int b2;

    A a1;

    A a2;

};

void displayObj()

{

    A a1();

    A a2;

    a2 = a1;

}

void main()

{

    displayObj();

    system("pause");

}