From bb43c4312e82a161b146f83b7d6d601452f6e924 Mon Sep 17 00:00:00 2001
From: Li1304553726 <1304553726@qq.com>
Date: Wed, 19 Nov 2025 11:45:03 +0800
Subject: [PATCH] 1

---
 app/components/news/header/TopNav.tsx | 74 +++++++++++++++------------
 1 file changed, 41 insertions(+), 33 deletions(-)

diff --git a/app/components/news/header/TopNav.tsx b/app/components/news/header/TopNav.tsx
index f5dfd1f..b40a7ad 100644
--- a/app/components/news/header/TopNav.tsx
+++ b/app/components/news/header/TopNav.tsx
@@ -1,16 +1,11 @@
 import { Search } from 'lucide-react';
-import React, { useState } from 'react';
+import React, { useState, useEffect } from 'react';
 
 interface MenuItem {
   label: string;
   key: string;
 }
 
-// 定义 TopNavProps 接口，描述组件的 props 类型
-// menuItems? 菜单项数组
-// activeKey: 当前激活的菜单项
-// onSearch: 搜索回调函数
-// onItemClick: 菜单点击回调函数
 interface TopNavProps {
   menuItems?: MenuItem[];
   activeKey?: string;
@@ -18,11 +13,6 @@ interface TopNavProps {
   onItemClick?: (key: string) => void;
 }
 
-//定义 TopNav 组件，类型为 React 函数组件，接收 TopNavProps 类型的 props
-//解构并设置 menuItems 默认值，如果父组件没有传入则使用默认的6个菜单项
-// activeKey: 当前激活的菜单项
-// onSearch: 搜索回调函数
-// onItemClick: 菜单点击回调函数
 export function TopNav({
   menuItems = [
     { label: '首页', key: 'home' },
@@ -32,35 +22,37 @@ export function TopNav({
     { label: '联系热线', key: 'hotline' },
     { label: '综合服务', key: 'service' },
   ],
-  activeKey: externalActiveKey, // 从外部传入的 activeKey
+  activeKey: externalActiveKey,
   onSearch,
   onItemClick,
 }: TopNavProps){
-  // 使用外部传入的 activeKey，如果没有则使用内部状态
-  // 创建内部状态 internalActiveKey，默认值为 'home'，用于内部管理激活状态
   const [internalActiveKey, setInternalActiveKey] = useState('home');
-  // 如果外部传入了 activeKey 则使用外部的，否则使用内部状态（支持受控和非受控模式）
   const currentActiveKey = externalActiveKey !== undefined ? externalActiveKey : internalActiveKey;
-  // 创建搜索关键词状态，初始为空字符串
   const [searchKeyword, setSearchKeyword] = useState('');
-    // 处理搜索提交事件, 阻止默认表单提交行为，调用搜索回调函数
+  const [activeIndex, setActiveIndex] = useState(0);
+  const [prevIndex, setPrevIndex] = useState(0);
+
+  // 监听激活项变化，更新索引和动画方向
+  useEffect(() => {
+    const currentIndex = menuItems.findIndex(item => item.key === currentActiveKey);
+    setPrevIndex(activeIndex);
+    setActiveIndex(currentIndex);
+  }, [currentActiveKey, menuItems, activeIndex]);
+
   const handleSearchSubmit = (e: React.FormEvent) => {
     e.preventDefault();
-    onSearch?.(searchKeyword); // .? 可选链操作符，确保 onSearch 存在时才调用
+    onSearch?.(searchKeyword);
   };
 
-  // 定义菜单项点击处理函数，如果外部没有传入 activeKey 则更新内部状态，调用点击回调函数
   const handleItemClick = (item: MenuItem) => {
-    // 更新内部状态（如果使用内部状态）
     if (externalActiveKey === undefined) {
       setInternalActiveKey(item.key);
     }
-    // 调用外部回调函数
-    onItemClick?.(item.key);  // .? 可选链操作符，确保 onItemClick 存在时才调用
+    onItemClick?.(item.key);
   };
 
   return (
-    <div className="h-14 flex items-center justify-center px-8 bg-white">
+    <div className="h-20 flex items-center justify-center px-8 bg-white">
       {/* 搜索框与导航菜单组合 */}
       <div className="flex items-center space-x-4">
         {/* 搜索框 */}
@@ -71,26 +63,42 @@ export function TopNav({
               value={searchKeyword}
               onChange={(e) => setSearchKeyword(e.target.value)}
               placeholder="搜索..."
-              className="pl-10 pr-4 py-2 text-sm rounded-lg border border-gray-300 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent w-64 transition-all duration-200 hover:shadow-sm"
+              className="pl-10 pr-4 py-2 text-sm border border-gray-300 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent w-64 transition-all duration-200 hover:shadow-sm"
             />
             <span className="absolute left-3 top-1/2 transform -translate-y-1/2 text-gray-400">
               <Search className="w-5 h-5" />
             </span>
           </div>
         </form>
-        
+
         {/* 导航菜单 */}
-        <ul className="flex space-x-2">
-          {menuItems.map((item) => {
-            const isActive = currentActiveKey === item.key; // 判断当前项是否激活
+        <ul className="flex space-x-8 relative">
+          {/* 滑动背景层 */}
+          <div 
+            className="absolute inset-y-0 z-0 transition-all duration-500 ease-out"
+            style={{
+              left: `${activeIndex * (100 / menuItems.length)}%`,
+              width: `${100 / menuItems.length}%`,
+              clipPath: 'polygon(0% 0%, 80% 0%, 100% 100%, 20% 100%)', // 向左倾斜的平行四边形
+              background: 'linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%)',
+              transform: `translateX(${(prevIndex - activeIndex) * 100}%)`,
+            }}
+          />
+          
+          {menuItems.map((item, index) => {
+            const isActive = currentActiveKey === item.key;
             return (
-              <li key={item.key}>
+              <li 
+                key={item.key} 
+                className="relative z-10"
+                style={{ width: `${100 / menuItems.length}%` }}
+              >
                 <button
                   onClick={() => handleItemClick(item)}
-                  className={`px-4 py-2 text-sm font-medium rounded-lg transition-all duration-200 ${
+                  className={`w-full h-full px-4 py-2 text-2xl transition-all duration-300 ${
                     isActive
-                      ? 'bg-blue-600 text-white shadow-md' // 激活状态样式
-                      : 'text-gray-600 hover:bg-blue-100 hover:text-blue-700' // 非激活状态样式
+                      ? 'text-white' // 激活状态文字颜色
+                      : 'text-gray-600 hover:text-black cursor-pointer' // 非激活状态样式
                   }`}
                 >
                   {item.label}
@@ -102,4 +110,4 @@ export function TopNav({
       </div>
     </div>
   );
-};
+};
\ No newline at end of file