#include <iostream>
#include <string>
#include <vector>
#include <iomanip>
 
using namespace std;
 
class MenuItem {
public:
    string name;
    string link;
    MenuItem(string name, string link) : name(name), link(link) {}
};
 
class NavigationBar {
private:
    vector<MenuItem> menuItems;
 
public:
    // 添加菜单项
    void addItem(const string& name, const string& link) {
        menuItems.push_back(MenuItem(name, link));
    }
 
    // 显示导航栏
    void display() {
        cout << "+----------------------------------------------------+" << endl;
        cout << "|                    导航栏                        |" << endl;
        cout << "+----------------------------------------------------+" << endl;
 
        for (size_t i = 0; i < menuItems.size(); ++i) {
            // 设置每个菜单项的显示格式
            cout << "| " << setw(20) << left << menuItems[i].name 
                 << " | " << setw(25) << left << menuItems[i].link << " |" << endl;
        }
 
        cout << "+----------------------------------------------------+" << endl;
    }
};
 
int main() {
    NavigationBar navbar;
 
    // 添加菜单项
    navbar.addItem("首页", "http://example.com");
    navbar.addItem("项目概览", "http://example.com/project");
    navbar.addItem("文档指南", "http://example.com/docs");
    navbar.addItem("联系方式", "http://example.com/contact");
 
    // 显示导航栏
    navbar.display();
 
    return 0;
}