修复 z-index 层级问题
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docs/z-index-guide.md
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105
docs/z-index-guide.md
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# Z-Index 层级管理规范
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## 层级划分
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为了避免 z-index 冲突,项目采用以下层级划分:
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```
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0-99: 页面内容层(普通元素、卡片、列表项等)
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100-899: 固定定位元素(顶部导航栏、sticky 元素等)
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900-999: 底部导航栏和菜单
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1000-1999: 下拉菜单、筛选面板
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2000-8999: 模态框、弹窗
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9000+: 全局提示、Toast、确认框
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```
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## 具体层级分配
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### 页面内容层 (0-99)
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- **0-9**: 背景层
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- **10-99**: 普通内容元素
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### 固定定位层 (100-899)
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- **100**: 页面头部固定区域(.fixedHeader)
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- **100-199**: 顶部导航栏、搜索栏
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- **200-899**: 其他 sticky 元素
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### 底部导航和菜单层 (900-999)
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- **80**: 底部导航栏降低层级(GuideBar - 筛选弹窗显示时)
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- **900**: 底部导航栏正常层级(GuideBar - 默认状态)
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- **940**: 发布菜单遮罩层(PublishMenu overlay)
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- **950**: 发布菜单容器(PublishMenu container)
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- **960**: 发布菜单卡片(PublishMenu card)
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### 下拉菜单层 (1000-1999)
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- **1100**: 距离筛选下拉菜单(DistanceQuickFilter)
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- **1200**: 综合筛选弹窗(FilterPopup)
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### 模态框层 (2000-8999)
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- **2000-5000**: 普通弹窗
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- **9999**: CommonPopup(全局通用弹窗)
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## 动态 Z-Index 控制
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某些组件需要根据交互状态动态调整 z-index:
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### GuideBar(底部导航栏)动态控制
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**实现位置**:
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- `src/game_pages/list/index.tsx`(主逻辑)
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- `src/components/DistanceQuickFilter/index.tsx`(筛选菜单回调)
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- `src/components/PublishMenu/PublishMenu.tsx`(发布菜单回调)
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- `src/components/GuideBar/index.tsx`(接收回调)
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**监听的状态**:
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1. **`isPublishMenuVisible`** - 发布菜单展开状态
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2. **`isShowFilterPopup`** - 综合筛选弹窗展开状态
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3. **`isDistanceFilterVisible`** - 距离/排序筛选下拉菜单展开状态
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**动态逻辑**:
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```tsx
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if (isPublishMenuVisible) {
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// 发布菜单展开 → z-index: 900 (high)
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setGuideBarZIndex('high');
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} else if (isShowFilterPopup || isDistanceFilterVisible) {
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// 任何筛选组件展开 → z-index: 80 (low)
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setGuideBarZIndex('low');
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} else {
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// 都关闭 → z-index: 900 (high)
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setGuideBarZIndex('high');
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}
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```
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**优势**:
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- 自动响应所有相关组件的状态变化
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- 优先级清晰:发布菜单 > 筛选组件 > 默认状态
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- 避免底部导航栏遮挡筛选内容
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## 使用原则
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1. **同类组件使用相近的 z-index**:便于管理和维护
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2. **预留足够的间隔**:为未来新增组件预留空间
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3. **避免使用过大的值**:除非是全局级别的组件(如 Toast)
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4. **使用 !important 需谨慎**:只在覆盖第三方组件样式时使用
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5. **优先考虑动态控制**:对于有交互冲突的组件,使用动态 z-index 而不是固定值
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## 常见问题
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### Q: 筛选下拉菜单被底部导航栏遮挡?
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A: 确保下拉菜单 z-index (1100) 大于底部导航栏 (900)
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### Q: 发布菜单弹出时被筛选菜单遮挡?
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A: 发布菜单 (950-960) 低于筛选菜单 (1100-1200),这是正常的层级关系
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### Q: 如何添加新的浮层组件?
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A: 根据组件类型,在对应层级范围内选择合适的值,并更新此文档
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## 修改记录
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- 2024-xx-xx: 完善 GuideBar 动态 z-index 控制,监听所有筛选组件和发布菜单状态
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- 新增 DistanceQuickFilter 菜单展开/收起回调
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- 新增 PublishMenu 展开/收起回调
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- 使用 useEffect 统一管理 z-index 逻辑
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- 2024-xx-xx: 实现 GuideBar 动态 z-index 控制,根据筛选弹窗状态自动调整层级
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- 2024-xx-xx: 统一调整底部导航栏和筛选菜单的 z-index,解决层级冲突问题
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@@ -41,7 +41,7 @@
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border-bottom-left-radius: 30px;
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border-bottom-right-radius: 30px;
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background-color: #fafafa !important;
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z-index: 1000 !important;
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z-index: 1100 !important;
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box-sizing: border-box !important;
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}
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@@ -1,4 +1,4 @@
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import { useRef, useState } from "react";
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import { useRef, useState, useEffect } from "react";
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import { Menu } from "@nutui/nutui-react-taro";
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import { Image, View } from "@tarojs/components";
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import img from "@/config/images";
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@@ -14,10 +14,12 @@ const DistanceQuickFilter = (props) => {
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quickName,
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cityValue,
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quickValue,
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onMenuVisibleChange, // 新增:菜单展开/收起回调
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} = props;
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const cityRef = useRef(null);
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const quickRef = useRef(null);
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const [changePosition, setChangePosition] = useState<number[]>([]);
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const [isMenuOpen, setIsMenuOpen] = useState(false);
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// 全城筛选显示的标题
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const cityTitle = cityOptions.find((item) => item.value === cityValue)?.label;
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@@ -48,10 +50,17 @@ const DistanceQuickFilter = (props) => {
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index === 1 && (quickRef.current as any)?.toggle(false);
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};
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// 监听菜单状态变化,通知父组件
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useEffect(() => {
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onMenuVisibleChange?.(isMenuOpen);
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}, [isMenuOpen, onMenuVisibleChange]);
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return (
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<View>
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<Menu
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className={`distanceQuickFilterWrap ${filterWrapperClassName}`}
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onOpen={() => setIsMenuOpen(true)}
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onClose={() => setIsMenuOpen(false)}
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>
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<Menu.Item
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title={cityTitle}
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@@ -111,7 +111,7 @@ const FilterPopup = (props: FilterPopupProps) => {
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onClose={onClose}
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style={{ marginTop: statusNavbarHeigh + "px", maxHeight: '70vh' }}
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overlayStyle={{ marginTop: statusNavbarHeigh + "px" }}
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zIndex={1001}
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zIndex={1200}
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>
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<View className={styles.filterPopupWrapper}>
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{/* 可滚动的内容区域 */}
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@@ -14,7 +14,7 @@
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justify-content: space-between;
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align-items: center;
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padding: 20px 12px 32px;
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z-index: 999;
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z-index: 900;
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&-pages {
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display: flex;
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@@ -7,7 +7,7 @@ import PublishMenu from "../PublishMenu";
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export type currentPageType = "games" | "message" | "personal";
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const GuideBar = (props) => {
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const { currentPage, guideBarClassName } = props;
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const { currentPage, guideBarClassName, onPublishMenuVisibleChange } = props;
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const guideItems = [
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{
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@@ -73,7 +73,7 @@ const GuideBar = (props) => {
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{/* <View className='guide-bar-publish' onClick={handlePublish}>
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<Image className='guide-bar-publish-icon' src={img.ICON_GUIDE_BAR_PUBLISH} />
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</View> */}
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<PublishMenu />
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<PublishMenu onVisibleChange={onPublishMenuVisibleChange} />
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</View>
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</View>
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);
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@@ -1,4 +1,4 @@
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import React, { useState, useRef } from "react";
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import React, { useState, useRef, useEffect } from "react";
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import { View, Text, Image } from "@tarojs/components";
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import Taro from "@tarojs/taro";
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import { useUserInfo } from "@/store/userStore";
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@@ -15,10 +15,17 @@ import NTRPEvaluatePopup from "../NTRPEvaluatePopup";
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export interface PublishMenuProps {
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onPersonalPublish?: () => void;
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onActivityPublish?: () => void;
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onVisibleChange?: (visible: boolean) => void; // 菜单显示/隐藏回调
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}
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const PublishMenu: React.FC<PublishMenuProps> = () => {
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const PublishMenu: React.FC<PublishMenuProps> = (props) => {
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const { onVisibleChange } = props;
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const [isVisible, setIsVisible] = useState(false);
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// 使用 useEffect 监听 isVisible 变化,确保所有情况都能触发回调
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useEffect(() => {
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onVisibleChange?.(isVisible);
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}, [isVisible, onVisibleChange]);
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const [aiImportVisible, setAiImportVisible] = useState(false);
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const userInfo = useUserInfo();
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const ntrpRef = useRef<{
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@@ -1,6 +1,6 @@
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.publishMenu {
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position: relative;
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z-index: 1000;
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z-index: 950;
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}
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.overlay {
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@@ -10,7 +10,7 @@
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width: 100%;
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height: 100%;
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background-color: rgba(0, 0, 0, 0.5);
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z-index: 999;
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z-index: 940;
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}
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.menuCard {
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position: absolute;
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@@ -22,7 +22,7 @@
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display: flex;
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flex-direction: column;
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gap: 8px;
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z-index: 1001;
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z-index: 960;
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// /* 小三角指示器 */
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// &::after {
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// content: '';
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@@ -63,7 +63,7 @@ const ListContainer = (props) => {
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// 延迟 300ms 后再显示骨架屏
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skeletonTimerRef.current = setTimeout(() => {
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setShowSkeleton(true);
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}, 300);
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}, 600);
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} else {
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// 加载完成,清除定时器并隐藏骨架屏
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if (skeletonTimerRef.current) {
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@@ -1,8 +1,4 @@
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:global {
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.guide-bar {
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z-index: 999;
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}
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}
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// GuideBar 的 z-index 通过局部样式类动态控制
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.cqContainer {
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display: flex;
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@@ -89,7 +85,7 @@
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.fixedHeader {
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position: sticky;
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top: 0;
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z-index: 90;
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z-index: 100;
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display: flex;
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flex-direction: column;
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}
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@@ -187,6 +183,11 @@
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/* 隐藏时不响应鼠标事件 */
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}
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.guideBarList {
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z-index: 999;
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// GuideBar 动态 z-index 控制
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.guideBarLowZIndex {
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z-index: 80 !important; // 筛选弹出时,降低层级,避免遮挡筛选内容
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}
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.guideBarHighZIndex {
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z-index: 900 !important; // 正常状态,保持较高层级
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}
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@@ -71,6 +71,35 @@ const ListPage = () => {
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const scrollStartPositionRef = useRef(0); // 记录开始滚动的位置
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const [showSearchBar, setShowSearchBar] = useState(true); // 控制搜索框显示/隐藏(筛选始终显示)
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// 动态控制 GuideBar 的 z-index
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const [guideBarZIndex, setGuideBarZIndex] = useState<'low' | 'high'>('high');
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const [isPublishMenuVisible, setIsPublishMenuVisible] = useState(false);
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const [isDistanceFilterVisible, setIsDistanceFilterVisible] = useState(false);
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// 处理 PublishMenu 显示/隐藏
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const handlePublishMenuVisibleChange = useCallback((visible: boolean) => {
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setIsPublishMenuVisible(visible);
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}, []);
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// 处理 DistanceQuickFilter 显示/隐藏
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const handleDistanceFilterVisibleChange = useCallback((visible: boolean) => {
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setIsDistanceFilterVisible(visible);
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}, []);
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// 监听筛选相关组件和发布菜单的状态,动态调整 GuideBar 的 z-index
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useEffect(() => {
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if (isPublishMenuVisible) {
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// PublishMenu 展开时,GuideBar 保持高层级
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setGuideBarZIndex('high');
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} else if (isShowFilterPopup || isDistanceFilterVisible) {
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// 任何筛选组件展开时,GuideBar 降低层级
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setGuideBarZIndex('low');
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} else {
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// 都关闭时,GuideBar 保持高层级
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setGuideBarZIndex('high');
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}
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}, [isShowFilterPopup, isPublishMenuVisible, isDistanceFilterVisible]);
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// ScrollView 滚动处理函数
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const handleScrollViewScroll = useCallback(
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(e: any) => {
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@@ -442,6 +471,7 @@ const ListPage = () => {
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quickName="order"
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cityValue={distanceQuickFilter?.distanceFilter}
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quickValue={distanceQuickFilter?.order}
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onMenuVisibleChange={handleDistanceFilterVisibleChange}
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/>
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</View>
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</View>
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@@ -486,7 +516,11 @@ const ListPage = () => {
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</View>
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</View>
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)}
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<GuideBar currentPage="list" guideBarClassName={styles.guideBarList} />
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<GuideBar
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currentPage="list"
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guideBarClassName={`${styles.guideBarList} ${guideBarZIndex === 'low' ? styles.guideBarLowZIndex : styles.guideBarHighZIndex}`}
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onPublishMenuVisibleChange={handlePublishMenuVisibleChange}
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/>
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</>
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);
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};
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