src/components/Header.jsx

import React from 'react';
import { Link, useLocation } from 'react-router-dom'; // 引入 useLocation 钩子
import './Header.css'; // 导入 Header.css 文件
import logo from '../assets/logo.png';

const Header = () => {
  const location = useLocation(); // 获取当前路径

  // 判断路径是否是种子列表相关
  const isSeedListActive = location.pathname.startsWith('/seed-list') || location.pathname.startsWith('/seed/');

  return (
    <div className="main-page">
      {/* 顶部栏 */}
      <header className="header">
        {/* 左侧 logo 和网站名称 */}
        <div className="logo-and-name">
          <img src={logo} alt="网站 logo" className="logo" />
          <span className="site-name">Echo</span>
        </div>
        {/* 右侧用户头像和消息中心 */}
        <div className="user-and-message">
          <img src="user-avatar.png" alt="用户头像" className="user-avatar" />
          <span className="message-center">消息</span>
        </div>
      </header>
      {/* 导航栏 */}
      <nav className="nav">
        <Link to="/friend-moments" className="nav-item">好友动态</Link>
        <Link to="/forum" className="nav-item">论坛</Link>
        <Link to="/interest-groups" className="nav-item">兴趣小组</Link>
        <Link to="/seed-list" className={`nav-item ${isSeedListActive ? 'active' : ''}`}>种子列表</Link> {/* 动态添加 active 类 */}
        <Link to="/publish-seed" className="nav-item">发布种子</Link>
      </nav>
    </div>
  );
};

export default Header;