(1)定义一个名为CPerson的类,有以下私有成员:姓名、身份证号、性别和年龄,成员函数:构造函数、析构函数、输出信息的函数。并在此基础上派生出CEmployee类,派生类CEmployee增加了两个新的数据成员,分别用于表示部门和薪水。要求派生类CEmployee的构造函数显示调用基类CPerson的构造函数,并为派生类CEmployee定义析构函数,定义输出信息的函数。
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- class CPerson
- {
- protected:
- string m_szName;
- string m_szId;
- int m_nSex;//0:women,1:man
- int m_nAge;
- public:
- CPerson(string name,string id,int sex,int age);
- void Show1();
- ~CPerson();
- };
- class CEmployee:public CPerson
- {
- private:
- string m_szDepartment;
- double m_Salary;
- public:
- CEmployee(string name,string id,int sex,int age,string department,double salary);
- void Show2();
- ~CEmployee();
- };
- int main()
- {
- string name,id,department;
- int sex,age;
- double salary;
- cout<<"input employee‘s name,id,sex(0:women,1:man),age,department,salary:\n";
- cin>>name>>id>>sex>>age>>department>>salary;
- CEmployee employee1(name,id,sex,age,department,salary);
- employee1.Show2();
- return 0;
- }
参考代码:
/* *Copyright (c)2014,烟台大学计算机与控制工程学院 *All rights reserved. *文件名称:d.cpp *作 者:张旺华 *完成日期:2015年5月31日 *版 本 号:v1.0 */ #include <iostream> #include<iomanip> using namespace std; class CPerson { protected: string m_szName; string m_szId; int m_nSex;//0:women,1:man int m_nAge; public: CPerson(string name,string id,int sex,int age):m_szName(name),m_szId(id),m_nSex(sex),m_nAge(age){}; void Show1(); ~CPerson(); }; CPerson::~CPerson(){} void CPerson::Show1() { cout<<setw(10)<<m_szName<<setw(25)<<m_szId; if(m_nSex==0) cout<<setw(7)<<"women"; else cout<<setw(7)<<"man"; cout<<setw(5)<<m_nAge<<endl; } class CEmployee:public CPerson { private: string m_szDepartment; double m_Salary; public: CEmployee(string name,string id,int sex,int age,string department,double salary):CPerson (name,id,sex,age),m_szDepartment(department),m_Salary(salary){}; void Show2(); ~CEmployee(); }; CEmployee::~CEmployee(){} void CEmployee::Show2() { cout<<setw(10)<<"name"<<setw(25)<<"id"<<setw(7)<<"sex"<<setw(5)<<"age"<<setw(12)<<"department"<<setw(10)<<"salary"<<endl; cout<<setw(10)<<m_szName<<setw(25)<<m_szId; if(m_nSex==0) cout<<setw(7)<<"women"; else cout<<setw(7)<<"man"; cout<<setw(5)<<m_nAge; //由于基类CPerson的成员变量采用了protected属性,因此可采用上述述代码实现,否则若 //基类CPerson的成员变量采用了privated属性,则只能使用CPerson::Show();实现 cout<<setw(12)<<m_szDepartment<<setw(10)<<m_Salary<<endl; } int main() { string name,id,department; int sex,age; double salary; cout<<"input employee's name,id,sex(0:women,1:man),age,department,salary:\n"; cin>>name>>id>>sex>>age>>department>>salary; CEmployee employee1(name,id,sex,age,department,salary); employee1.Show2(); return 0; }
运行结果:
知识点运用及学习心得:
这里主要是加强我们对输入输出的格式的了解,还有构造函数。
时间: 2024-11-07 21:25:20