10.6——单例模式案例

#define _CRT_SECURE_NO_WARNNING #include<iostream> using namespace std; //创建主席类 //需求 单例模式 为了创建类中的对象，并且保证只有一个对象实例 class Chirman { //1.构造函数进行私有化 private: Chairman() { cout << "创建国家主席" << endl; } public: satic Chairman* sinleMan; }; Chairman* Chairman::singleMan = new Chairman; void test01() { /*Chairman c1; Chairman* c2 = new Chairman; Chairman* c2 = new Chairman;*/ Chairman::singleMan; } int main() { test01(); system("pause"); return EXIT_SUCCESS; }