建造者模式
[实验任务一]：计算机组装
使用建造者模式，完成下述任务：计算机组装工厂可以将CPU、内存、硬盘、主机等硬件设备组装在一起构成计算机，计算机的类型可以是笔记本，也可以是台式机。
实验要求：
1. 画出对应的类图；
2.提交源代码；
#include<iostream>
using namespace std;
#include<string>
class Computer
{
private:
string host; //主机
string internal; //内存
string harddisk; //硬盘
public:
void setHost(string host)
{
this->host = host;
}
void setInternal(string internal)
{
this->internal = internal;
}
void setHarddisk(string harddisk)
{
this->harddisk = harddisk;
}
string getHost()
{
return host;
}
string getInternal()
{
return internal;
}
string getHarddisk()
{
return harddisk;
}
};
class ComputerBuilder
{
public:
virtual void buildHost()=0;
virtual void buildInternal()=0;
virtual void buildHarddisk()=0;
Computer getComputer()
{
return computer;
}
protected:
Computer computer;
};
class Desktop : public ComputerBuilder
{
public:
void buildHost()
{
computer.setHost("台式机主机");
}
void buildInternal()
{
computer.setInternal("台式机内存");
}
void buildHarddisk()
{
computer.setHarddisk("台式机硬盘");
}
};
class Laptop : public ComputerBuilder
{
public:
void buildHost()
{
computer.setHost("笔记本主机");
}
void buildInternal()
{
computer.setInternal("笔记本内存");
}
void buildHarddisk()
{
computer.setHarddisk("笔记本硬盘");
}
};
class Worker
{
private:
ComputerBuilder *cb;
public:
void setComputerBuilder(ComputerBuilder *cb)
{
this->cb = cb;
}
Computer construct()
{
cb->buildHost();
cb->buildInternal();
cb->buildHarddisk();
return cb->getComputer();
}
};
int main()
{
string t;
cout << "请输入电脑类型：";
cin >> t;
Worker *worker = new Worker();
if (!t.compare("Desktop")) {
ComputerBuilder * cb = new Desktop();
worker->setComputerBuilder(cb);
}
else
{
ComputerBuilder * cb = new Laptop();
worker->setComputerBuilder(cb);
}
Computer computer = worker->construct();
cout << "部件组成：" << endl;
cout << computer.getHost() << endl;
cout << computer.getInternal() << endl;
cout << computer.getHarddisk() << endl;
}
3. 注意编程规范。
