52 lines
1.0 KiB
C++
52 lines
1.0 KiB
C++
// 构造函数
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#include <iostream>
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#include <cstring>
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#include <cstdlib>
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using namespace std;
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class Person
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{
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private:
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string name;
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int age;
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public:
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Person(const string &name, int age) : name(name), age(age) {}
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public:
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void hi()
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{
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cout << this->name << ", " << this->age << endl;
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}
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};
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class Worker : public Person
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{
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private:
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int salary; // 工资
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int year; // 工作年限
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public:
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// 子类的构造函数定义时，可以调用父类的构造函数进行父类成员的初始化
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// 使用初始化列表实现(调用父类的构造函数，传入对应参数)
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Worker(const string &name, int age, int salary, int year) : Person(name, age), salary(salary), year(year)
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{
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}
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public:
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void hi() // 重写了父类的函数，覆盖了父类的 hi()
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{
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// 先调用父类的 hi()
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Person::hi();
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cout << salary << ", " << year << endl;
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}
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};
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int main()
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{
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Worker w1 = Worker("liming", 18, 2100, 2);
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w1.hi();
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return 0;
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}
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