23种设计模式之原型模式（创建型，5 Prototype，c++实现）

代码实现：

#define _CRT_SECURE_NO_WARNINGS

#include <iostream>

#include <string>

using namespace std;

class Person

{

public:

virtual Person* clone() = 0;

virtual void print() = 0;

};

class CPPProgrammer :public Person

{

public:

CPPProgrammer()

{

this->name = "";

this->age = 0;

}

CPPProgrammer(string name, int age) 

{

this->name = name;

this->age = age;

}

void setResume(char* resume) 

{

if (this->resume != NULL) 

{

delete this->resume;

}

this->resume = new char(strlen(resume) + 1);

strcpy(this->resume, resume);

}

virtual Person* clone()

{

CPPProgrammer* temp= new CPPProgrammer;

*temp = *this;

temp->resume = new char(strlen(resume) + 1);

strcpy(temp->resume, resume);

return temp;

}

virtual void print()

{

cout << "name: " << this->name << ", age:" << this->age << ", resume: " << resume << endl;

}

private:

string name;

int age;

char* resume;

};

void main() {

CPPProgrammer* prog = new CPPProgrammer("james", 22);

prog->setResume("c++");

prog->print();

Person* clone = prog->clone();

clone->print();

}