目标：为子系统的一组接口提供一个一致的界面。使用户使用起来更加方便。下面是示例代码：
#include
#include
using namespace std;
class SubSysOne
{
public:
void MethodOne()
{
cout << "方法一" << endl;
}
};
class SubSysTwo
{
public:
void MethodTwo()
{
cout << "方法二" << endl;
}
};
class SubSysThree
{
public:
void MethodThree()
{
cout << "方法三" << endl;
}
};
//外观类
class Facade
{
private:
SubSysOne* sub1;
SubSysTwo* sub2;
SubSysThree* sub3;
public:
Facade()
{
sub1 = new SubSysOne();
sub2 = new SubSysTwo();
sub3 = new SubSysThree();
}
~Facade()
{
delete sub1;
delete sub2;
delete sub3;
}
void FacadeMethod()
{
sub1->MethodOne();
sub2->MethodTwo();
sub3->MethodThree();
}
};
//客户端
int main()
{
Facade* test = new Facade();
test->FacadeMethod();
return 0;
}
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