2、源代码
test4.cpp
#include<iostream>
#include<string>
using namespace std;
//抽象产品类 男人
class Man
{
public:
virtual void makeM() = 0;
};
//具体产品类 白色男人
class WhiteMan : public Man
{
public:
void makeM()
{
cout << "我是白种男人"<< endl;
}
};
//具体产品类 黄色男人
class YellowMan : public Man
{
public:
void makeM()
{
cout << "我是黄种男人" << endl;
}
};
//具体产品类 黑色男人
class BlackMan : public Man
{
public:
void makeM()
{
cout << "我是黑种男人" << endl;
}
};
//抽象产品类 女人
class Woman
{
public:
virtual void makeW() = 0;
};
//具体产品类 白色女人
class WhiteWoman : public Woman
{
public:
void makeW()
{
cout << "我是白种女人" << endl;
}
};
//具体产品类 黄色女人
class YellowWoman : public Woman
{
public:
void makeW()
{
cout << "我是黄种女人" << endl;
}
};
//具体产品类 黑色女人
class BlackWoman : public Woman
{
public:
void makeW()
{
cout << "我是黑种女人" << endl;
}
};
//抽象工厂类 肤色
class Color
{
public:
virtual Man *produceMan() = 0;
virtual Woman *produceWoman() = 0;
};
//具体工厂类 黄色
class Yellow : public Color
{
public:
Man *produceMan()
{
return new YellowMan();
}
Woman *produceWoman()
{
return new YellowWoman();
}
};
//具体工厂类 白色
class White : public Color
{
public:
Man* produceMan()
{
return new WhiteMan();
}
Woman *produceWoman()
{
return new WhiteWoman();
}
};
//具体工厂类 黑色
class Black : public Color
{
public:
Man * produceMan()
{
return new BlackMan();
}
Woman * produceWoman()
{
return new BlackWoman();
}
};
//主函数
int main(int argc, char*argv[])
{
Color * color_y = new Yellow();
Man * man_y = color_y->produceMan();
Woman * woman_y = color_y->produceWoman();
Color * color_b = new Black();
Man * man_b = color_b->produceMan();
Woman * woman_b = color_b->produceWoman();
Color * color_w = new White();
Man * man_w = color_w->produceMan();
Woman * woman_w = color_w->produceWoman();
string t ;
string y = "Yellow";
string b = "Black";
string w = "White";
string e = "exit";
while (strcmp(t.c_str(), e.c_str()) != 0)
{
cout << "请输入标识符 ( 首字母大写 )：";
cin >> t;
if (strcmp(t.c_str(), y.c_str()) == 0)
{
man_y->makeM();
woman_y->makeW();
}
else if (strcmp(t.c_str(), w.c_str()) == 0) {
man_w->makeM();
woman_w->makeW();
}
else if (strcmp(t.c_str(), b.c_str()) == 0) {
man_b->makeM();
woman_b->makeW();
}
else if (strcmp(t.c_str(), e.c_str()) == 0) { //输入exit退出系统
cout << "退出" << endl;
}
else {
cout << "输入的标识符有误，请重新输入！" << endl;
}
cout << endl;
}
if (man_y != NULL)
{
delete man_y;
man_y = NULL;
}
if (woman_y != NULL)
{
delete woman_y;
woman_y = NULL;
}
if (man_b != NULL)
{
delete man_b;
man_b = NULL;
}
if (woman_b != NULL)
{
delete woman_b;
woman_b = NULL;
}
if (man_w != NULL)
{
delete man_w;
man_w = NULL;
}
if (woman_w != NULL)
{
delete woman_w;
woman_w = NULL;
}
}
3、遇到的问题
3.1 指针使用不正确，应如如下代码
//抽象工厂类 肤色
class Color
{
public:
virtual Man *produceMan() = 0;
virtual Woman *produceWoman() = 0;
};
3.2 字符串初始化报错
string t = NULL;
