模板方法模式

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1. /************************************************************************/
2. /* 模板方法模式 */
3. /************************************************************************/
6. /*
7. 将重复的行为在父类中抽象，具体实现在子类种完成，而行为的调用代码在父类中完成
8. 利用多态原理，实际的调用的是子类的行为
9. */
12. /*这里以A、B两人答同一份试卷为例*/
14. #include<iostream>
17. using namespace std;
20. class TestPaper
21. {
22. public:
23. /*A和B都具有答题的行为，但是具体的行为的表现却不一样*/
24. virtual void Answer1() = 0;
25. virtual void Answer2() = 0;
29. void Question1()
30. {
31. cout<<"凤姐是不是女人? A.是 B.不是"<<endl;
32. Answer1();
33. }
36. void Question2()
37. {
38. cout<<"如果世界上只剩下凤姐和你，你会取她吗? A.我宁愿自杀 B.为了人类哥从了"<<endl;
39. Answer2();
40. }
44. };
50. //A的答题试卷
51. class TestPaperA :public TestPaper
52. {
53. public:
54. void Answer1()
55. {
56. cout<<"A"<<endl;
57. }
59. void Answer2()
60. {
61. cout<<"A"<<endl;
62. }
63. };
67. //B的答题试卷
68. class TestPaperB : public TestPaper
69. {
70. public:
71. void Answer1()
72. {
73. cout<<"B"<<endl;
74. }
76. void Answer2()
77. {
78. cout<<"B"<<endl;
79. }
80. };
88. void main()
89. {
91. cout<<"A的试卷"<<endl;
92. TestPaper * A = new TestPaperA();
93. A->Question1();
94. A->Question2();
97. cout<<"................................................................................"<<endl;
101. cout<<"B的试卷"<<endl;
102. TestPaperB *B = new TestPaperB();
103. B->Question1();
104. B->Question2();
112. }

/************************************************************************//*    模板方法模式                                *//************************************************************************//*将重复的行为在父类中抽象，具体实现在子类种完成，而行为的调用代码在父类中完成利用多态原理，实际的调用的是子类的行为*//*这里以A、B两人答同一份试卷为例*/#include<iostream>using namespace std;class TestPaper{public:/*A和B都具有答题的行为，但是具体的行为的表现却不一样*/virtual void Answer1() = 0;virtual void Answer2() = 0;void Question1(){cout<<"凤姐是不是女人?    A.是   B.不是"<<endl;Answer1();}void Question2(){cout<<"如果世界上只剩下凤姐和你，你会取她吗?     A.我宁愿自杀   B.为了人类哥从了"<<endl;Answer2();}};//A的答题试卷class TestPaperA : public TestPaper{public:void Answer1(){cout<<"A"<<endl;}void Answer2(){cout<<"A"<<endl;}};//B的答题试卷class TestPaperB : public TestPaper{public:void Answer1(){cout<<"B"<<endl;}void Answer2(){cout<<"B"<<endl;}};void main(){cout<<"A的试卷"<<endl;TestPaper * A = new TestPaperA();A->Question1();A->Question2();cout<<"................................................................................"<<endl;cout<<"B的试卷"<<endl;TestPaperB *B = new TestPaperB();B->Question1();B->Question2();}