导航菜单创建工具 - 添加、管理、展示导航项

import java.util.ArrayList; import java.util.List; import java.util.Scanner;

/**

• 导航菜单管理工具 */ public class NavigationMenu {

  private static List navigationItems = new ArrayList<>();

  public static void main(String[] args) { Scanner scanner = new Scanner(System.in);

   boolean running = true;
   while (running) {
       System.out.println('请选择操作：');
       System.out.println('1. 添加导航项');
       System.out.println('2. 显示导航项');
       System.out.println('3. 退出程序');
  
       int option = scanner.nextInt();
       scanner.nextLine(); // consume the newline character
  
       switch (option) {
           case 1:
               addNavigationItem(scanner);
               break;
           case 2:
               displayNavigationItems();
               break;
           case 3:
               running = false;
               break;
           default:
               System.out.println('无效的选项，请重新选择。');
               break;
       }
   }
  
   scanner.close();
  

  }

  /**

  • 添加导航项

  • @param scanner 扫描器 */ private static void addNavigationItem(Scanner scanner) { System.out.println('请输入主标题：'); String title = scanner.nextLine();

    System.out.println('请选择标题样式：'); System.out.println('1. 标题样式1'); System.out.println('2. 标题样式2'); int styleOption = scanner.nextInt(); scanner.nextLine(); // consume the newline character String style = ''; switch (styleOption) { case 1: style = '样式1'; break; case 2: style = '样式2'; break; default: System.out.println('无效的选项，使用默认样式。'); style = '默认样式'; break; }

    System.out.println('请输入图表附图：'); String image = scanner.nextLine();

    System.out.println('请选择是否填充背景：'); System.out.println('1. 是'); System.out.println('2. 否'); int backgroundOption = scanner.nextInt(); scanner.nextLine(); // consume the newline character boolean fillBackground = false; switch (backgroundOption) { case 1: fillBackground = true; break; case 2: fillBackground = false; break; default: System.out.println('无效的选项，不填充背景。'); break; }

    System.out.println('请输入跳转的设置：'); String link = scanner.nextLine();

    NavigationItem newItem = new NavigationItem(title, style, image, fillBackground, link); navigationItems.add(newItem);

    System.out.println('导航项添加成功！'); }

  /**

  • 显示所有导航项 */ private static void displayNavigationItems() { System.out.println('导航项列表：'); if (navigationItems.isEmpty()) { System.out.println('暂无导航项。'); } else { for (NavigationItem item : navigationItems) { System.out.println('主标题：' + item.getTitle()); System.out.println('标题样式：' + item.getStyle()); System.out.println('图表附图：' + item.getImage()); System.out.println('填充背景：' + (item.isFillBackground() ? '是' : '否')); System.out.println('跳转设置：' + item.getLink()); System.out.println(); } } } }

/**

• 导航项类 */ class NavigationItem { private String title; private String style; private String image; private boolean fillBackground; private String link;

  public NavigationItem(String title, String style, String image, boolean fillBackground, String link) { this.title = title; this.style = style; this.image = image; this.fillBackground = fillBackground; this.link = link; }

  public String getTitle() { return title; }

  public String getStyle() { return style; }

  public String getImage() { return image; }

  public boolean isFillBackground() { return fillBackground; }

  public String getLink() { return link; }