1.構造函數一般方式

2.初始化列表方式，構造函數

3.委托構造函數

4.析構函數

5.淺拷貝

6.深拷貝

7.移動構造

#include <iostream>
#include <string>using namespace std;/** 1.構造函數一般方式* 2.初試化列表方式，構造函數* 3.委托構造函數* 4.析構函數* 5.淺拷貝* 6.深拷貝* 7.移動構造函數* */class stu{
public:string name;int age;stu(){cout << "無參構造"<< endl;}stu(string name){cout << "有參構造1"<< endl;}stu(string name,int age){cout << "有參構造2"<< endl;}
};class teacher{
public:string name;int age;teacher(string name,int age):name(name),age(age){cout << "有參構造"<< endl;}
};class school{
public:string name;int age;school():name{"希望小學"},age(30){//無參構造，委托兩個構造兩個參數的構造函數};school(string name):school{name,100}{//一個參數的有參構造，委托兩個參數的構造函數};school(string name,int age):name{name},age{age}{//該函數完成成員賦值操作};};class stu2{
public:string name;int age;stu2(string name,int age){cout << "有參構造"<< endl;}~stu2(){cout << "析構函數"<< endl;}
};class stu3{
public:string name;int age;stu3(string name,int age):name(name),age(age){cout << "有參構造"<< endl;}stu3(const stu3 & s){cout << "調用拷貝構造```"<< endl;name = s.name;age = s.age;}~stu3(){cout <<"析構函數"<< endl;}
};class hospital{
public:string name;string *address;hospital(string name,string *address):name(name),address(address){cout << "拷貝構造"<< endl;}hospital(const hospital & h){cout << "調用拷貝構造"<< endl;name = h.name;if(address== nullptr){address = new string;address = h.address;}}~hospital(){cout << "調用析構函數"<<endl;if(address != nullptr){
//            delete address;address = nullptr;}}
};class lecturer{
public:string *name;lecturer():name(new string("豆花")){cout << "執行構造函數lecturer"<<endl;}lecturer(const lecturer &le):name(new string(*le.name)){cout << "拷貝構造函數~"<<endl;}lecturer(lecturer && lec):name(lec.name){cout << "移動構造lec"<<endl;lec.name = nullptr;}~lecturer(){cout << "析構函數lecture"<< endl;delete name;}
};lecturer getLec(){lecturer ll;return ll;
}int main() {stu s;stu s2("小明");stu s3("小紅",18);teacher t("王老師",38);school sc;school sc2("豆花");stu2 * s21 = new stu2("小明",18);delete s21;stu3 s31("小麗",12);stu3 s32 = s31;cout << s32.name << s32.age << endl;string address = "北京路";hospital h1("協和醫院",&address);hospital h2 = h1;*h1.address = "上海路";lecturer ll = getLec();return 0;
}