#include <queue> #include <string> class Person { public: Person(string name, int age) { this->m_Name = name; this->m_Age = age; } string m_Name; int m_Age; }; void test01() { //创建队列 queue<Person> q; //准备数据 Person p1("唐僧", 30); Person p2("孙悟空", 1000); Person p3("猪八戒", 900); Person p4("沙僧", 800); //向队列中添加元素 入队操作 q.push(p1); q.push(p2); q.push(p3); q.push(p4); //队列不提供迭代器,更不支持随机访问 while (!q.empty()) { //输出队头元素 cout << "队头元素-- 姓名: " << q.front().m_Name << " 年龄: "<< q.front().m_Age << endl; cout << "队尾元素-- 姓名: " << q.back().m_Name << " 年龄: " << q.back().m_Age << endl; cout << endl; //弹出队头元素 q.pop(); } cout << "队列大小为:" << q.size() << endl; } int main() { test01(); system("pause"); return 0; }