2012年 上半年 第十周 C++程序设计 （三十二）

【任务2】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。

代码

 

#include <iostream>#include <string.h>#include <iomanip>//setw:设置输出数据的宽度,使用时应#include <iomanip.h> using namespace std;class CPerson {protected:char *m_szName;char *m_szId;int m_nSex;//0:women,1:manint m_nAge;public:CPerson(char *name,char *id,int sex,int age);void Show1();~CPerson();  //需要释放建立对象时动态分配的内存};class CEmployee:public CPerson{private:char *m_szDepartment;float m_Salary;public:CEmployee(char *name,char *id,int sex,int age,char *department,float salary);void Show2();~CEmployee();};CPerson::CPerson(char *name,char *id,int sex,int age){int i;m_szName=new char[20];  for(i=0;i<20;++i)  m_szName[i]=*(name+i); m_szId=new char[20];  for(i=0;i<20;++i)  m_szId[i]=*(id+i);  m_nSex=sex;m_nAge=age;}void CPerson::Show1(){cout<<setiosflags(ios::left)<<setw(8)<<m_szName<<setw(25)<<m_szId<<setw(8)<<((m_nSex==0)?"women":"man")<<setw(11)<<m_nAge; }CPerson::~CPerson(){delete [] m_szName;delete [] m_szId;}CEmployee::CEmployee(char *name,char *id,int sex,int age,char *department,float salary):CPerson(name,id,sex,age){m_szDepartment=new char[20];  for(int i=0;i<20; ++i)  m_szDepartment[i]=*(department+i); m_Salary=salary;}void CEmployee::Show2(){cout<<setiosflags(ios::left)<<setw(8)<<"name"<<setw(25)<<"id"<<setw(8)<<"sex"<<setw(11)<<"age"<<setw(16)<<"department"<<setw(11)<<"salary"<< endl;  Show1();cout<<setiosflags(ios::left)<<setw(16)<<m_szDepartment<<setw(11)<<m_Salary<<endl;  }CEmployee::~CEmployee(){delete [] m_szDepartment;}int main(){char name[10],id[19],department[10];int sex,age;float 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();system("pause");return 0;}

运行结果：

 

input employee's name,id,sex(0:women,1:man),age,department,salary:taiping 370112199212265111 1 20 yantai 5000name    id                       sex     age        department      salarytaiping 370112199212265111       man     20         yantai          5000请按任意键继续. . .