yu-zhi-ran/platform/frontend/navigation-component.js

// Vue 3 导航组件 - 修复布局和事件
(function() {
  console.log('[Nav] 脚本加载');

  function injectStyles() {
    if (document.getElementById('navigation-styles')) return;
    const styles = `
      /* 重置导航包装器，使用常规布局 */
      .navigation-wrapper { position: relative; }
      .navigation-wrapper .sidebar {
        position: fixed; top: 60px; left: 0; bottom: 0; width: 180px;
        background: #ffffff; padding: 12px; box-shadow: 2px 0 8px rgba(0,0,0,0.1);
        overflow-y: auto; z-index: 99999; border-right: 1px solid #ebeef5;
      }
      .navigation-wrapper .sidebar-header { padding: 12px 8px 16px; border-bottom: 1px solid #ebeef5; margin-bottom: 12px; }
      .navigation-wrapper .sidebar-header h3 { margin: 0; font-size: 16px; font-weight: 600; color: #303133; }
      .navigation-wrapper .sidebar-btn {
        width: 100%; text-align: left; padding: 10px 12px; border: none; background: transparent; border-radius: 8px;
        margin-bottom: 6px; cursor: pointer; transition: all 0.3s; color: #606266; font-size: 14px; display: flex; align-items: center; gap: 6px;
      }
      .navigation-wrapper .sidebar-btn:hover { background: #f5f7fa; color: #409eff; }
      .navigation-wrapper .sidebar-btn.active { background: #ecf5ff; color: #409eff; font-weight: 600 !important; }
      .navigation-wrapper .mobile-nav {
        display: none; position: fixed; bottom: 0; left: 0; right: 0; background: white;
        box-shadow: 0 -2px 8px rgba(0,0,0,0.1); padding: 8px 0; z-index: 99999; justify-content: space-around;
      }
      .navigation-wrapper .mobile-nav-btn {
        flex: 1; border: none; background: transparent; padding: 10px 4px; text-align: center;
        font-size: 11px; color: #606266; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 2px;
      }
      .navigation-wrapper .mobile-nav-btn:hover { color: #409eff; }
      .navigation-wrapper .mobile-nav-btn.active { color: #409eff; font-weight: 600 !important; }
      @media (max-width: 768px) {
        .navigation-wrapper .sidebar { display: none !important; }
        .navigation-wrapper .mobile-nav { display: flex !important; }
      }
      @media (min-width: 769px) { .navigation-wrapper .mobile-nav { display: none !important; } }
      /* 侧边栏固定定位时不调整主内容，让 main-content 自然位于文档流中，仅需确保 padding-top 避开 navbar */
      body > #app > .main-content { padding-top: 0; }
    `;
    const styleEl = document.createElement('style');
    styleEl.id = 'navigation-styles';
    styleEl.textContent = styles;
    document.head.appendChild(styleEl);
    console.log('[Nav] 样式已注入');
  }

  function getHFromApp(app) {
    try {
      if (app._context && app._context.h) return app._context.h;
      if (app._instance && app._instance.proxy && app._instance.proxy._cf) return app._instance.proxy._cf;
    } catch (e) { console.warn('[Nav] 获取 h 失败', e); }
    return null;
  }

  const installNavigation = (app) => {
    console.log('[Nav] installNavigation called');
    injectStyles();
    const h = getHFromApp(app) || (window.Vue && Vue.h) || function(tag, data, children) {
      const el = document.createElement(tag);
      if (data && data.class) el.className = data.class;
      if (children) {
        if (Array.isArray(children)) children.forEach(c => { if (typeof c === 'string') el.appendChild(document.createTextNode(c)); else if (c && c.nodeType) el.appendChild(c); });
        else if (typeof children === 'string') el.textContent = children;
      }
      if (data && data.on) Object.keys(data.on).forEach(ev => el.addEventListener(ev, data.on[ev]));
    };
    console.log('[Nav] 使用 h 函数:', typeof h);

    const component = {
      name: 'NavigationComponent',
      props: { currentPage: { type: String, required: true }, isAdmin: { type: Boolean, default: false } },
      mounted() { console.log('[NavigationComponent] 已挂载'); },
      render() {
        const navigate = (page) => {
          console.log('[NavigationComponent] 导航到:', page);
          this.$emit('navigate', page);
        };
        const sidebarItems = [
          { icon: '📊', label: '系统概览', page: '/' },
          { icon: '📋', label: '选题管理', page: 'topics.html' },
          { icon: '📄', label: '系统日志', page: 'logs.html' },
          ...(this.isAdmin ? [{ icon: '👥', label: '用户管理', page: 'users.html' }, { icon: '⚙️', label: '系统管理', page: 'admin.html' }] : [])
        ];
        const mobileItems = [
          { icon: '📊', label: '', page: '/' },
          { icon: '📋', label: '选题', page: 'topics.html' },
          { icon: '📄', label: '日志', page: 'logs.html' },
          ...(this.isAdmin ? [{ icon: '👥', label: '用户', page: 'users.html' }, { icon: '⚙️', label: '系统', page: 'admin.html' }] : [])
        ];
        return h('div', { class: 'navigation-wrapper' }, [
          h('aside', { class: 'sidebar' }, [
            h('div', { class: 'sidebar-header' }, [h('h3', '宇之然平台')]),
            h('nav', { class: 'sidebar-nav' }, sidebarItems.map(item => {
              const isActive = this.currentPage === (item.page === '/' ? 'dashboard' : item.page.replace('.html',''));
              return h('button', { key: item.page, class: isActive ? 'sidebar-btn active' : 'sidebar-btn', on: { click: () => navigate(item.page) } }, item.icon + ' ' + item.label);
            }))
          ]),
          h('nav', { class: 'mobile-nav' }, mobileItems.map(item => {
            const isActive = this.currentPage === (item.page === '/' ? 'dashboard' : item.page.replace('.html',''));
            const content = item.label ? (item.icon + ' ' + item.label) : item.icon;
            return h('button', { key: item.page, class: isActive ? 'mobile-nav-btn active' : 'mobile-nav-btn', on: { click: () => navigate(item.page) } }, content);
          }))
        ]);
      }
    };
    app.component('navigation-component', component);
    console.log('[Nav] 组件已注册');
    return app;
  };

  window.installNavigation = installNavigation;
  console.log('[Nav] 脚本已加载');
})();