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第十二周实验指导--任务2--分别定义Teacher(教师)类和Cadre(干部)类,采用多重继承方式由这两个类派生出新类Teacher_Cadre(教师兼干部)

 
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/* (程序头部注释开始)
* 程序的版权和版本声明部分
* Copyright (c) 2011, 烟台大学计算机学院学生
* All rights reserved.
* 文件名称:分别定义Teacher(教师)类和Cadre(干部)类,采用多重继承方式由这两个类派生出新类Teacher_Cadre(教师兼干部)

* 作 者: 雷恒鑫
* 完成日期: 2012 年 04 月 29 日
* 版 本 号: V1.0
* 对任务及求解方法的描述部分
* 输入描述:1)在两个基类中都包含姓名、年龄、性别、地址、电话等数据成员。

(2)在Teacher类中还包含数据成员title(职称),在Cadre类中还包 含数据成员post(职务),在Teacher_Cadre类中还包含 数据成员 wages(工资)。

(3)对两个基类中的姓名、年龄、性别、地址、电话 等数据成员用相同的名字,在引用这些数据成员时,指定作用域。

(4)在类体中声明成员函数,在类外定义成员函数。

(5)在派生类Teacher_Cadre的成员函数show中调用Teacher类中的display函数,输出姓名、年龄、性别、职称、地址、电话,然后再用 cout语句输出职务与工资。

* 问题描述:
* 程序输出:

* 程序头部的注释结束

*/

#include<iostream>   
#include<string>
#include <iomanip>
using namespace std;

class Teacher
{
public: 
	Teacher(string nam,int Age,int Sex,char *Department, int phone,string title1);
	~Teacher( );
	void display();
protected: 
	string name;
	int m_nAge;  
	int m_nSex;//0:women,1:man  
	char *m_szDepartment;  
	int m_phone; 
	string title;
};
Teacher::Teacher(string nam,int Age,int Sex,char *Department,int phone,string title1)
{
	name=nam;
	m_nAge=Age;
	m_nSex=Sex;
	int i;
	m_szDepartment=new char[30];
	for(i=0;i<30;++i)
    m_szDepartment[i]=*(Department+i);  //此处的处理是个重点,处理不好,会在程序中植入非常严重且隐蔽性极强的"定时"  
    //strcpy(m_szDepartment,Department);  
	m_phone=phone;
	title=title1;
}

Teacher::~Teacher()  
{  
    delete [] m_szDepartment;   
}  
void Teacher::display()
{
	cout << setiosflags(ios :: left) << setw(5)  <<name<< setw(5) <<m_nAge << setw(5)<<((m_nSex==0)?"women":"man")<<setw(8)<<m_szDepartment<<setw(5)<<title<<setw(5)<<m_phone;  
}  
class Cadre
{
public: 
	Cadre(string nam,int Age,int Sex,char *Department,int phone,string post1) ;
	~Cadre( ); 
protected: 
	string name;
	int m_nAge;  
	int m_nSex;//0:women,1:man  
	char *m_szDepartment;  
	int m_phone; 
	string post;
};
Cadre::Cadre(string nam,int Age,int Sex,char *Department,int phone,string post1)
{
	name=nam;
	m_nAge=Age;
	m_nSex=Sex;
	int i;
	m_szDepartment=new char[30];
	for(i=0;i<30;++i)
    m_szDepartment[i]=*(Department+i);   
	m_phone=phone; 
	post=post1;
}
Cadre::~Cadre()  
{  
    delete [] m_szDepartment;    
}    
class Teacher_Cadre:public Teacher,public Cadre
{
public: 
	Teacher_Cadre(string nam,int Age,int Sex,char *Department,int phone,string title1,string post1,float wages1) ;
	//~Teacher_Cadre( ); 
	void show();
	friend ostream & operator<<(ostream &,const Teacher_Cadre &);//重载运算符"<<" 
protected: 
	/*string name;
	int m_nAge;  
	int m_nSex;//0:women,1:man  
	char *m_szDepartment;  
	int m_phone; */
	float wages;
};
Teacher_Cadre::Teacher_Cadre(string nam,int Age,int Sex,char *Department,int phone,string title1,string post1,float wages1):Teacher(nam,Age,Sex,Department,phone,title1),Cadre(nam,Age,Sex,Department,phone,post1),wages(wages1){}
/*Teacher_Cadre::~Teacher_Cadre()  
{  
    delete [] m_szDepartment;   
}*/
void Teacher_Cadre::show()
{
	display();
}
ostream & operator<<(ostream &output,const Teacher_Cadre &p)  
{  
	output<<"    工资为:";
    output<<setw(5)<<p.wages<<"  ";  
	output<<"职务为:";
    output<<p.title<<endl;  
    return output;  
}

int main( )
{
    string name,title1,post1;
	char department[10]; 
	int sex,age;
    int phone;  
    float wages;  
	cout<<"input Teacher_Cadre's name,Age,sex(0:women,1:man),department,phone,title,post,wages:\n";  
    cin>>name>>age>>sex>>department>>phone>>title1>>post1>>wages;  
    Teacher_Cadre Teacher_Cadre1(name,age,sex,department,phone,title1,post1,wages);  
    Teacher_Cadre1.show(); 
	cout<<Teacher_Cadre1;
	system("PAUSE");
	return 0;
}

运行结果:



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