定义人员（Person）类，数据成员包含姓名（name）、年龄(age)和性别(sex)等属性，由Person类分别派生出教师（Teachar）类和干部（Cadre）类。Teachar类有职称（title）属性，Cadre类有职务（post）属性。再由Teachar类和Cadre类采用多重继承方式派生出教师兼干部（TeacherCadre）类，有工资（wages）属性。每个类有各自的构造函数和数据成员的输入输出函数。在主函数中定义对象进行测试。
namespace codelab
{
typedef enum sex {
SEX_UNKNOWN,
SEX_MAN,
SEX_WOMAN,
}sex_e;
class Person {
public:
string *Name = nullptr;
uint8_t Age;
sex_e Sex;
Person(const char *name)
{
if (name) {
this->Name = new string(name);
}
}
Person(const char *name, sex_e sex)
{
if (name) {
this->Name = new string(name);
}
this->Sex = sex;
}
Person(const char *name, sex_e sex, uint8_t age)
{
if (name) {
this->Name = new string(name);
}
this->Sex = sex;
this->Age = age;
}
virtual ~Person()
{
if (this->Name) {
delete this->Name;
this->Name = nullptr;
}
}
virtual void SelfIntroduction(void)
{
cout << "I`m " << this->Name->c_str() << ",a(n) " << (int)this->Age <<
" years old average " << (this->Sex == SEX_UNKNOWN ? "person" :
(this->Sex == SEX_MAN ? "man" : "woman")) << "." << endl;
}
private:
};
class Teachar : virtual public Person{
public:
uint8_t Title = 0;
Teachar(const char *name) : Person(name)
{
}
void SelfIntroduction(void)
{
cout << "I`m " << this->Name->c_str() << ",a(n) " << (int)this->Age <<
" years old " << (this->Sex == SEX_UNKNOWN ? "" :
(this->Sex == SEX_MAN ? "Male " : "Female")) << "teacher." << endl;
}
~Teachar()
{
}
private:
};
class Cadre : virtual public Person {
public:
uint8_t Post = 0;
Cadre(const char *name) : Person(name)
{
}
void SelfIntroduction(void)
{
cout << "I`m " << this->Name->c_str() << ",a(n) " << (int)this->Age <<
"years old " << (this->Sex == SEX_UNKNOWN ? "" :
(this->Sex == SEX_MAN ? "Cadre " : "Cadre")) << "." << endl;
}
~Cadre()
{
}
private:
};
class TeacherCadre : public Cadre, public Teachar {
public:
TeacherCadre(const char *name) : Person(name),Cadre(name), Teachar(name)
{
}
bool WagesSet(uint32_t wages)
{
if (wages < CONFIG_MINIMUM_WAGE) {
return false;
}
this->Wages = wages;
return true;
}
uint32_t WagesGet(void)
{
return this->Wages;
}
void SelfIntroduction(void)
{
cout << "My name is " << this->Teachar::Name->data() <<
", I`m a Supper " << (this->Sex == SEX_WOMAN ? "WOMAN" : "MAN")
<< endl;
}
private:
uint32_t Wages = CONFIG_MINIMUM_WAGE;
};
}
using namespace codelab;
void PersonTest(void)
{
TeacherCadre *tc = new TeacherCadre("WangMing");
Teachar *t = new Teachar("LiDong");
Cadre *c = new Cadre("ZhangSan");
Person *p = new Person("WenXin");
t->Age = 28;
t->Sex = SEX_MAN;
c->Age = 24;
c->Sex = SEX_MAN;
p->Age = 23;
p->Sex = SEX_WOMAN;
tc->Age = 54;
tc->Sex = SEX_MAN;
tc->SelfIntroduction();
t->SelfIntroduction();
c->SelfIntroduction();
p->SelfIntroduction();
delete tc;
tc = nullptr;
delete t;
t = nullptr;
delete c;
c = nullptr;
delete p;
p = nullptr;
}
->
My name is WangMing, I`m a Supper MAN
I`m LiDong,a(n) 28 years old Male teacher.
I`m ZhangSan,a(n) 24years old Cadre .
I`m WenXin,a(n) 23 years old average woman.