类与对象之深复制

#pragma once
#include<iostream>
#include<cstring>
using namespace std;
class CMessage
{
private:
	char* pmessage;
public:
	CMessage(const char* text = "中国一点也不能少！")
	{
		pmessage = new char[strlen(text) + 1];
		strcpy_s(pmessage, strlen(text) + 1, text);
	}
	void show()
	{
		cout << pmessage << endl;
	}
	CMessage(const CMessage& oMes)
	{
		size_t len = strlen(oMes.pmessage) + 1;
		pmessage = new char[len];
		strcpy_s(pmessage, len, oMes.pmessage);
	}
	~CMessage()
	{
		cout << "Destructor called!" << endl;
		delete[]pmessage;
	}



};

int main()
{
	CMessage Mes1("爱我中华!");
	CMessage Mes2(Mes1);
	Mes1.show();
	Mes2.show();
	return 0;
}

爱我中华!
爱我中华!
Destructor called!
Destructor called!

本章是对《类与对象之析构函数和动态内存分配》的一个补充（