3 回答

TA貢獻1786條經驗 獲得超13個贊
#include<iostream>
#include<cstdlib>
#include<string>
using namespace std;
class Employee{
public:
Employee(char *,int,int,char *);
void printOn();
static int count(); //調用靜態成員的函數也必須是靜態函數
char *name;
int age;
int worktime;
char *department;
static int n;
/*~Employee(){
delete name;
delete department;
}*/ //使用該析構函數會抱內存錯
};
int Employee::n=0;
Employee::Employee(char *name,int age,int worktime,char *department){
this->name=name;
this->age=age;
this->worktime=worktime;
this->department=department;
n++;
}
void Employee::printOn(){
cout<<"This is "<<name<<endl
<<"age "<<age<<endl
<<"year "<<worktime<<endl
<<"Dept "<<department<<endl;
}
int Employee::count(){
return n;
};
class Manager:public Employee{
public:
Manager(char *,int,int,char *,int);
Manager& addMember(Employee *);
void printOn();
private:
static int m;
int level;
char *member[10];
};
int Manager::m=0;
Manager::Manager(char *name,int age,int worktime,char *department,int level):Employee(name,age,worktime,department){
this->level=level;
}
Manager& Manager::addMember(Employee *e){
member[m++]=e->name;
return *this;
}
void Manager::printOn(){
Employee::printOn();
cout<<"Level: "<<level<<endl
<<"Members: ";
for(int i=0;i<n-1;i++)
cout<<member[i]<<" ";
cout<<endl;
}
int main(){
Employee e1("Jack", 24, 2, "Development");
Employee e2("Susan", 28, 4, "Development");
Manager m("Tom", 30, 2, "Development", 2);
m.addMember(&e1).addMember(&e2);
e1.printOn(); // display all data member information of Jack
e2.printOn(); // display all data member information of Susam
m.printOn(); // display all data member information of Tom
cout << "Total " << Employee::count();
cout<< " employee's object created." << endl;
system("pause");
return 0;
}

TA貢獻1789條經驗 獲得超10個贊
#include<iostream>
using namespace std;
/*
公司中有兩類人員:一般雇員(Employee)和經理(Manager)。
每位雇員都有各自的基本信息,包括姓名、年齡、工齡、部門名稱。
每位經理除了具有這些基本信息外,還具有另外兩個信息:
職務級別、他所管轄的雇員信息。請設計并實現兩個類,分別表示雇
員和經理兩類人員,并滿足以下程序給出的運行結果(注意:經理也是雇員)。
*/
class Employee
{
char* _xm;
int _nl;
int _gl;
char* _bm;
static int _n;
public:
void getXm(char*&);
Employee(char*, int, int, char*);
virtual ~Employee();
virtual void printOn();
static int count();
};
void Employee::getXm(char*& xm)
{
strcpy(xm,_xm);
}
int Employee::_n=0;
Employee::Employee(char* xm,int nl, int gl, char* bm)
{
++_n;
_xm=new char[strlen(xm)+1];
strcpy(_xm, xm);
_nl=nl;
_gl=gl;
_bm=new char[strlen(bm)+1];
strcpy(_bm, bm);
}
Employee::~Employee()
{
if(_xm!=NULL)
delete [] _xm;
if(_bm!=NULL)
delete [] _bm;
}
void Employee::printOn()
{
cout<<"This is "<<_xm<<": "<<endl;
cout<<"age: "<<_nl<<endl;
cout<<"Year: "<<_gl<<endl;
cout<<"Dept: "<<_bm<<endl;
}
int Employee::count()
{
return _n;
}
class Manager : public Employee
{
int _dj;
char* _gyxx;
public:
Manager(char*, int, int, char*, int);
virtual ~Manager();
void printOn();
Manager& addMember(Employee*);
};
Manager::Manager(char* xm, int nl, int gl, char* bm,int dj)
:Employee(xm, nl, gl, bm)
{
_gyxx=NULL;
_dj=dj;
}
Manager::~Manager()
{
if(_gyxx!=NULL)
delete [] _gyxx;
}
void Manager::printOn()
{
Employee::printOn();
cout<<"Level: "<<_dj<<endl;
cout<<"Members: "<<_gyxx<<endl;
}
Manager& Manager::addMember(Employee* e)
{
char* a=new char[50];
e->getXm(a);
if(_gyxx!=NULL)
{
char* t=new char[strlen(_gyxx)+1];
strcpy(t, _gyxx);
delete [] _gyxx;
_gyxx=new char[strlen(t)+strlen(a)+6];
strcpy(_gyxx, t);
strcat(_gyxx, " ");
strcat(_gyxx, a);
delete [] t;
}
else
{
_gyxx= new char[strlen(a)+1];
strcpy(_gyxx, a);
}
delete [] a;
return *this;
}
int main()
{
Employee e1("Jack", 24, 2, "Development");
Employee e2("Susan", 28, 4, "Development");
Manager m("Tom", 30, 2, "Development", 2);
m.addMember(&e1).addMember(&e2);
e1.printOn(); // display all data member information of Jack
e2.printOn(); // display all data member information of Susam
m.printOn(); // display all data member information of Tom
cout << "Total " << Employee::count();
cout<< " employee’s object created." << endl;
return 0;
}

TA貢獻1810條經驗 獲得超5個贊
//VC編譯通過.輸出完全一樣.
#include<iostream>
#include<string.h>
using namespace std;
class Employee
{
private:
char eName[20];//姓名
int eAge;//年齡
int eWorkAge;//工齡
char eDepName[20];//部門名稱
static int eCount;
public:
Employee(char *name,int age,int year,const char *dep="Development")
{
strcpy(eName,name);
strcpy(eDepName,dep);
eAge=age;
eWorkAge=year;
eCount++;
}
~Employee()
{
eCount--;
};
char *name(){return eName;}
void printOn()
{
cout<<"This is "<<eName<<endl;
cout<<"age: "<<eAge<<endl;
cout<<"Year: "<<eWorkAge<<endl;
cout<<"Dept: "<<eDepName<<endl;
}
int count(){return eCount;}
};
int Employee::eCount=0;
class Manager:public Employee
{
private:
int level;//職務級別
char *inCharge;
public:
Manager(char *name,int age,int year,const char *dep="Development",int lv=2):Employee(name,age,year,dep)
{
level=lv;
inCharge=NULL;
}
~Manager()
{
if(inCharge!=NULL) delete inCharge;
}
void printOn()
{
Employee::printOn();
cout<<"level: "<<level<<endl;
cout<<"Members: "<<inCharge<<endl;
}
int addMember(Employee* Member)
{
int len1=inCharge==NULL?0:strlen(inCharge);
int len2=strlen(Member->name());
char *p=new char[len1+len2+2];
if(inCharge!=NULL) strcpy(p,inCharge);
p[len1]=' ';
strcpy(p+len1+1,Member->name());
if(inCharge!=NULL) delete inCharge;
inCharge=p;
return 1;
}
};
int main()
{
Employee e1("Jack", 24, 2, "Development");
Employee e2("Susan", 28, 4, "Development");
Manager m("Tom", 30, 2, "Development", 2);
m.addMember(&e1);
m.addMember(&e2);
e1.printOn();// display all data member information of Jack
e2.printOn();// display all data member information of Susam
m.printOn();// display all data member information of Tom
cout << "Total" << e1.count();
cout<< "employee’s object created." << endl;
return 0;
}
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