feat(index): 实现热销商品Tabs粘性布局功能

- 引入Sticky组件实现Tabs吸顶效果
- 添加粘性状态变化回调通知父组件- 动态计算系统状态栏高度作为吸顶阈值-优化Tabs样式在粘性状态下的视觉表现
- 调整商品列表间距以适配新布局- 完善首页Header组件与Tabs粘性状态联动逻辑
- 移除useDidHide中的主题设置调用
- 初始化时设置应用主题配置

src/app.ts

@@ -38,6 +38,8 @@ function App(props: { children: any; }) {
   };
   // 可以使用所有的 React Hooks
   useEffect(() => {
+    // 设置主题
+    handleTheme()
     // Taro.getSetting：获取用户的当前设置。返回值中只会出现小程序已经向用户请求过的权限。
     Taro.getSetting({
       success: (res) => {
@@ -102,7 +104,6 @@ function App(props: { children: any; }) {
 
   // 对应 onHide
   useDidHide(() => {
-    handleTheme()
   })
 
   return props.children

src/pages/index/BestSellers.tsx

@@ -1,15 +1,16 @@
 import {useEffect, useState} from "react";
-import {Image, Tabs, Empty} from '@nutui/nutui-react-taro'
+import {Image, Tabs, Empty, Sticky} from '@nutui/nutui-react-taro'
 import {Share} from '@nutui/icons-react-taro'
 import {View, Text} from '@tarojs/components';
 import Taro from "@tarojs/taro";
 import {ShopGoods} from "@/api/shop/shopGoods/model";
 import {pageShopGoods} from "@/api/shop/shopGoods";
 
-const BestSellers = () => {
+const BestSellers = (props: {onStickyChange?: (isSticky: boolean) => void}) => {
   const [tab1value, setTab1value] = useState<string | number>('0')
   const [list, setList] = useState<ShopGoods[]>([])
   const [goods, setGoods] = useState<ShopGoods>()
+  const [stickyStatus, setStickyStatus] = useState<boolean>(false)
 
   const reload = () => {
     pageShopGoods({}).then(res => {
@@ -48,37 +49,62 @@ const BestSellers = () => {
     });
   }
 
+  // 处理粘性布局状态变化
+  const onStickyChange = (isSticky: boolean) => {
+    setStickyStatus(isSticky)
+    // 通知父组件粘性状态变化
+    props.onStickyChange?.(isSticky)
+    console.log('Tabs 粘性状态:', isSticky ? '已固定' : '取消固定')
+  }
+
+  // 获取小程序系统信息
+  const getSystemInfo = () => {
+    const systemInfo = Taro.getSystemInfoSync()
+    // 状态栏高度 + 导航栏高度 (一般为44px)
+    return (systemInfo.statusBarHeight || 0) + 44
+  }
+
   useEffect(() => {
     reload()
   }, [])
 
-  // 注意：不在这里配置分享，避免与首页分享冲突
-  // 商品分享应该在商品详情页处理，首页分享应该分享首页本身
-
   return (
     <>
       <View className={'py-3'}>
-        {/* Tabs切换组件 */}
-        <Tabs
-          value={tab1value}
-          className={'w-full mb-4'}
-          onChange={(value) => {
-            setTab1value(value)
-          }}
+        {/* Tabs粘性布局组件 */}
+        <Sticky 
+          threshold={getSystemInfo()} 
+          onChange={onStickyChange}
           style={{
-            backgroundColor: 'transparent',
+            zIndex: 999,
+            backgroundColor: stickyStatus ? '#ffffff' : 'transparent',
+            boxShadow: stickyStatus ? '0 2px 8px rgba(0,0,0,0.1)' : 'none',
+            transition: 'all 0.3s ease'
           }}
-          activeType="smile"
         >
-          <Tabs.TabPane title="今日主推">
-          </Tabs.TabPane>
-          <Tabs.TabPane title="即将到期">
-          </Tabs.TabPane>
-          <Tabs.TabPane title="活动预告">
-          </Tabs.TabPane>
-        </Tabs>
+          <Tabs
+            value={tab1value}
+            className={'w-full'}
+            onChange={(value) => {
+              setTab1value(value)
+            }}
+            style={{
+              backgroundColor: 'transparent',
+              paddingTop: stickyStatus ? '8px' : '0',
+              paddingBottom: stickyStatus ? '8px' : '0',
+            }}
+            activeType="smile"
+          >
+            <Tabs.TabPane title="今日主推">
+            </Tabs.TabPane>
+            <Tabs.TabPane title="即将到期">
+            </Tabs.TabPane>
+            <Tabs.TabPane title="活动预告">
+            </Tabs.TabPane>
+          </Tabs>
+        </Sticky>
 
-        <View className={'flex flex-col justify-between items-center rounded-lg px-2'}>
+        <View className={'flex flex-col justify-between items-center rounded-lg px-2 mt-4'}>
           {/* 今日主推 */}
           {tab1value == '0' && list?.map((item, index) => {
             return (

src/pages/index/index.tsx

@@ -15,6 +15,8 @@ import './index.scss'
 function Home() {
   // 吸顶状态
   const [stickyStatus, setStickyStatus] = useState<boolean>(false)
+  // Tabs粘性状态
+  const [tabsStickyStatus, setTabsStickyStatus] = useState<boolean>(false)
 
   useShareAppMessage(() => {
     // 获取当前用户ID，用于生成邀请链接
@@ -85,6 +87,11 @@ function Home() {
     }
   }
 
+  // 处理Tabs粘性状态变化
+  const handleTabsStickyChange = (isSticky: boolean) => {
+    setTabsStickyStatus(isSticky)
+  }
+
   const reload = () => {
 
   };
@@ -150,13 +157,19 @@ function Home() {
 
   return (
     <>
-      <Sticky threshold={0} onChange={() => onSticky(arguments)}>
-        <Header stickyStatus={stickyStatus}/>
-      </Sticky>
+      {/* Header区域 - 根据Tabs粘性状态决定是否固定 */}
+      {tabsStickyStatus ? (
+        <Sticky threshold={0}>
+          <Header stickyStatus={tabsStickyStatus}/>
+        </Sticky>
+      ) : (
+        <Header stickyStatus={tabsStickyStatus}/>
+      )}
+      
       <div className={'flex flex-col mt-12'}>
         <Menu/>
         <Banner/>
-        <BestSellers/>
+        <BestSellers onStickyChange={handleTabsStickyChange}/>
         {/*<GoodsList/>*/}
       </div>
     </>