009 --- 第13章 建造者模式

  1 #include <iostream>
  2 #include <list>
  3 #include <string>
  4 using namespace std;
  5 
  6 
  7 // 建造者模式
  8 // 具体产品类
  9 class CProduct
 10 {
 11 private:
 12     list<string> m_listParts;
 13 
 14 public:
 15     void Add(string szPart)
 16     {
 17         m_listParts.push_back(szPart);
 18     }
 19 
 20     void Show()
 21     {
 22         cout << "产品创建-----" << endl;
 23         for (auto szPart : m_listParts)
 24             cout << szPart << endl;
 25     }
 26 };
 27 
 28 // 抽象建造者类
 29 class CBuilder
 30 {
 31 public:
 32     virtual void BuildPartA() {};
 33     virtual void BuildPartB() {};
 34     CProduct* GetResult() {};
 35 };
 36 
 37 // 具体建造者类
 38 class CConcreteBuilder1 : public CBuilder
 39 {
 40 private:
 41     CProduct* m_pProduct;
 42 
 43 public:
 44     CConcreteBuilder1()
 45     {
 46         m_pProduct = new CProduct();
 47     }
 48 
 49     ~CConcreteBuilder1()
 50     {
 51         if (m_pProduct)
 52         {
 53             delete m_pProduct;
 54             m_pProduct = NULL;
 55         }
 56     }
 57 
 58     void BuildPartA()
 59     {
 60         m_pProduct->Add("部件A");
 61     }
 62 
 63     void BuildPartB()
 64     {
 65         m_pProduct->Add("部件B");
 66     }
 67 
 68     CProduct* GetResult()
 69     {
 70         return m_pProduct;
 71     }
 72 };
 73 
 74 // 具体建造者类
 75 class CConcreteBuilder2 : public CBuilder
 76 {
 77 private:
 78     CProduct* m_pProduct;
 79 
 80 public:
 81     CConcreteBuilder2()
 82     {
 83         m_pProduct = new CProduct();
 84     }
 85 
 86     ~CConcreteBuilder2()
 87     {
 88         if (m_pProduct)
 89         {
 90             delete m_pProduct;
 91             m_pProduct = NULL;
 92         }
 93     }
 94     void BuildPartA()
 95     {
 96         m_pProduct->Add("部件X");
 97     }
 98 
 99     void BuildPartB()
100     {
101         m_pProduct->Add("部件Y");
102     }
103 
104     CProduct* GetResult()
105     {
106         return m_pProduct;
107     }
108 };
109 
110 // 指挥者类
111 class CDirector
112 {
113 public:
114     void Construct(CBuilder* pBuilder)
115     {
116         pBuilder->BuildPartA();
117         pBuilder->BuildPartB();
118     }
119 };
120 
121 int main()
122 {
123     CDirector Director;
124     CConcreteBuilder1 ConcreteBuilder1;
125     CConcreteBuilder2 ConcreteBuilder2;
126 
127     Director.Construct(&ConcreteBuilder1);
128     ConcreteBuilder1.GetResult()->Show();
129 
130     Director.Construct(&ConcreteBuilder2);
131     ConcreteBuilder2.GetResult()->Show();
132 
133     system("pause");
134     return 0;
135 }

  1 #include <iostream>
  2 #include <list>
  3 #include <string>
  4 using namespace std;
  5 
  6 // 抽象建造者类
  7 class CPersonBuilder
  8 {
  9 public:
 10     virtual void BuildHead() {};
 11     virtual void BuildBody() {};
 12     virtual void BuildArmLeft() {};
 13     virtual void BuildArmRight() {};
 14     virtual void BuildLegLeft() {};
 15     virtual void BuildLegRight() {};
 16 };
 17 
 18 // 具体建造者类
 19 class CPersonThinBuilder : public CPersonBuilder
 20 {
 21 public:
 22     void BuildHead()
 23     {
 24         cout << "画瘦小人头" << endl;
 25     }
 26 
 27     void BuildBody()
 28     {
 29         cout << "画瘦小人身体" << endl;
 30     }
 31 
 32     void BuildArmLeft()
 33     {
 34         cout << "画瘦小人左臂" << endl;
 35     }
 36 
 37     void BuildArmRight()
 38     {
 39         cout << "画瘦小人右臂" << endl;
 40     }
 41 
 42     void BuildLegLeft()
 43     {
 44         cout << "画瘦小人左腿" << endl;
 45     }
 46 
 47     void BuildLegRight()
 48     {
 49         cout << "画瘦小人右腿" << endl;
 50     }
 51 };
 52 
 53 // 具体建造者类
 54 class CPersonFatBuilder : public CPersonBuilder
 55 {
 56 public:
 57     void BuildHead()
 58     {
 59         cout << "画胖小人头" << endl;
 60     }
 61 
 62     void BuildBody()
 63     {
 64         cout << "画胖小人身体" << endl;
 65     }
 66 
 67     void BuildArmLeft()
 68     {
 69         cout << "画胖小人左臂" << endl;
 70     }
 71 
 72     void BuildArmRight()
 73     {
 74         cout << "画胖小人右臂" << endl;
 75     }
 76 
 77     void BuildLegLeft()
 78     {
 79         cout << "画胖小人左腿" << endl;
 80     }
 81 
 82     void BuildLegRight()
 83     {
 84         cout << "画胖小人右腿" << endl;
 85     }
 86 };
 87 
 88 // 指挥者类
 89 class CPersonDirector
 90 {
 91 private:
 92     CPersonBuilder* m_pPerson;
 93 
 94 public:
 95     CPersonDirector(CPersonBuilder* pPerson)
 96     {
 97         m_pPerson = pPerson;
 98     }
 99 
100     void CreatePerson()
101     {
102         m_pPerson->BuildHead();
103         m_pPerson->BuildBody();
104         m_pPerson->BuildArmLeft();
105         m_pPerson->BuildArmRight();
106         m_pPerson->BuildLegLeft();
107         m_pPerson->BuildLegRight();
108     }
109 };
110 
111 int main()
112 {
113     CPersonThinBuilder Thin;
114     CPersonDirector dThin(&Thin);
115     dThin.CreatePerson();
116 
117     cout << "\n华丽的分割线\n" << endl;
118     CPersonFatBuilder Fat;
119     CPersonDirector dFat(&Fat);
120     dFat.CreatePerson();
121 
122     system("pause");
123     return 0;
124 }