1.构造函数一般方式

2.初始化列表方式，构造函数

3.委托构造函数

4.析构函数

5.浅拷贝

6.深拷贝

7.移动构造

#include <iostream>
#include <string>using namespace std;/** 1.构造函数一般方式* 2.初试化列表方式，构造函数* 3.委托构造函数* 4.析构函数* 5.浅拷贝* 6.深拷贝* 7.移动构造函数* */class stu{
public:string name;int age;stu(){cout << "无参构造"<< endl;}stu(string name){cout << "有参构造1"<< endl;}stu(string name,int age){cout << "有参构造2"<< endl;}
};class teacher{
public:string name;int age;teacher(string name,int age):name(name),age(age){cout << "有参构造"<< endl;}
};class school{
public:string name;int age;school():name{"希望小学"},age(30){//无参构造，委托两个构造两个参数的构造函数};school(string name):school{name,100}{//一个参数的有参构造，委托两个参数的构造函数};school(string name,int age):name{name},age{age}{//该函数完成成员赋值操作};};class stu2{
public:string name;int age;stu2(string name,int age){cout << "有参构造"<< endl;}~stu2(){cout << "析构函数"<< endl;}
};class stu3{
public:string name;int age;stu3(string name,int age):name(name),age(age){cout << "有参构造"<< endl;}stu3(const stu3 & s){cout << "调用拷贝构造```"<< endl;name = s.name;age = s.age;}~stu3(){cout <<"析构函数"<< endl;}
};class hospital{
public:string name;string *address;hospital(string name,string *address):name(name),address(address){cout << "拷贝构造"<< endl;}hospital(const hospital & h){cout << "调用拷贝构造"<< endl;name = h.name;if(address== nullptr){address = new string;address = h.address;}}~hospital(){cout << "调用析构函数"<<endl;if(address != nullptr){
//            delete address;address = nullptr;}}
};class lecturer{
public:string *name;lecturer():name(new string("豆花")){cout << "执行构造函数lecturer"<<endl;}lecturer(const lecturer &le):name(new string(*le.name)){cout << "拷贝构造函数~"<<endl;}lecturer(lecturer && lec):name(lec.name){cout << "移动构造lec"<<endl;lec.name = nullptr;}~lecturer(){cout << "析构函数lecture"<< endl;delete name;}
};lecturer getLec(){lecturer ll;return ll;
}int main() {stu s;stu s2("小明");stu s3("小红",18);teacher t("王老师",38);school sc;school sc2("豆花");stu2 * s21 = new stu2("小明",18);delete s21;stu3 s31("小丽",12);stu3 s32 = s31;cout << s32.name << s32.age << endl;string address = "北京路";hospital h1("协和医院",&address);hospital h2 = h1;*h1.address = "上海路";lecturer ll = getLec();return 0;
}