在React Native中开发鸿组件（这里指的是鸿蒙（HarmonyOS）组件），你需要了解鸿蒙开发的基础以及如何在React Native项目中集成鸿蒙应用。鸿蒙OS是由华为开发的一个分布式操作系统，主要用于其智能设备，如手机、平板、智能手表等。

1. 了解鸿蒙开发基础

首先，你需要熟悉鸿蒙OS的开发环境设置和基本开发流程。这包括：

• 开发工具：使用DevEco Studio作为开发IDE。
• SDK：下载并安装HarmonyOS SDK。
• 语言与框架：主要使用Java/Kotlin进行应用开发，但也可以通过C/C++扩展功能。

2. 在React Native中集成鸿蒙应用

React Native本身主要用于Harmony和Harmony平台的开发，但你可以通过以下几种方式将鸿蒙应用集成到React Native项目中：

A. 使用WebView

一种简单的方法是使用WebView来加载鸿蒙应用的网页版或通过一个WebView桥接本地代码与鸿蒙应用。

1. 在React Native中添加WebView：

   npm install react-native-webview
   

2. 使用WebView加载鸿蒙应用的URL：

   import React from 'react';
   import { WebView } from 'react-native-webview';
   
   const HarmonyApp = () => {
     return (
       <WebView
         source={{ uri: 'https://your-harmony-app-url.com' }}
         style={{ flex: 1 }}
       />
     );
   };
   
   export default HarmonyApp;
   

B. 使用Native Modules

创建一个Native Module来桥接React Native和鸿蒙原生应用。

1. 在DevEco Studio中创建一个鸿蒙应用。

2. 开发Native Module：创建一个Java/Kotlin模块，在其中实现与鸿蒙应用交互的逻辑。

3. 在React Native中调用Native Module：使用react-native-bridge或其他桥接库来调用鸿蒙原生模块。

   例如，使用react-native-bridge：

   npm install react-native-bridge
   

   然后在JavaScript中调用：

   import { NativeModules } from 'react-native';
   const { HarmonyModule } = NativeModules;
   

C. 使用Deep Linking或Intent传递数据

如果你的鸿蒙应用支持Deep Linking或Intent传递数据，你可以在React Native中处理这些链接或Intent，并据此与鸿蒙应用交互。

3. 职业发展规划和开发代码详情

对于职业发展规划，你可以考虑以下步骤：

1. 学习鸿蒙开发：深入学习鸿蒙OS的APIs和开发工具。
2. 实践项目：在项目中实践鸿蒙应用的开发与集成。
3. 优化集成方案：不断优化React Native与鸿蒙应用的集成方案，提高用户体验和性能。
4. 持续学习：关注鸿蒙OS的最新动态和更新，持续学习新技术和新特性。
5. 分享和交流：参与开源项目，分享你的经验，与其他开发者交流。

通过这些步骤，你可以有效地在React Native项目中开发并集成鸿蒙组件，同时规划你的职业发展路径。

---

开发一个名为“植物养护智能助手”的React Native应用，涉及到多个技术层面，包括前端UI设计、后端数据处理以及可能的硬件接口（例如传感器数据采集）。下面，我将提供一个基本的开发指南和代码示例，帮助你开始这个项目。

1. 环境准备

首先，确保你的开发环境已经安装了Node.js和React Native。你可以通过以下步骤安装React Native环境：

安装Node.js (如果尚未安装)
安装React Native CLI
npm install -g react-native-cli

创建一个新的React Native项目
react-native init PlantCareAssistant

进入项目目录
cd PlantCareAssistant

2. 安装依赖

为了简化开发，可以使用一些现成的库来帮助处理植物养护相关的功能，例如使用react-native-vector-icons来添加图标、react-native-camera来处理图像识别等。

安装图标库
npm install react-native-vector-icons

安装相机库（可选，根据需求）
npm install react-native-camera

3. 项目结构规划

创建一个基本的项目结构，例如：

PlantCareAssistant/
|-- Harmony/
|-- Harmony/
|-- src/
    |-- components/
    |-- screens/
        |-- HomeScreen.js
        |-- CareTipsScreen.js
    |-- App.js
|-- package.json

4. 开发界面组件

HomeScreen.js

import React from 'react';
import { View, Text, StyleSheet, Button } from 'react-native';
import Icon from 'react-native-vector-icons/FontAwesome'; // 假设使用FontAwesome图标库

const HomeScreen = ({ navigation }) => {
  return (
    <View style={styles.container}>
      <Text style={styles.title}>植物养护智能助手</Text>
      <Button title="查看养护建议" onPress={() => navigation.navigate('CareTips')} />
      <Icon name="leaf" size={50} color="green" /> {/* 显示一个叶子图标 */}
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
  title: {
    fontSize: 24,
    marginBottom: 20,
  },
});

export default HomeScreen;

CareTipsScreen.js

import React from 'react';
import { View, Text, StyleSheet } from 'react-native';
import Icon from 'react-native-vector-icons/FontAwesome'; // 使用相同图标库

const CareTipsScreen = () => {
  return (
    <View style={styles.container}>
      <Text style={styles.title}>养护建议</Text>
      <Text>请每天给植物浇水。</Text> {/* 示例文本 */}
      <Icon name="info-circle" size={30} color="blue" /> {/* 信息图标 */}
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
  title: {
    fontSize: 24,
    marginBottom: 20,
  },
});
export default CareTipsScreen;

5. 导航设置（使用React Navigation）
   安装React Navigation：

npm install @react-navigation/native @react-navigation/stack react-native-screens react-native-safe-area-context @react-navigation/native-stack @react-navigation/stack @react-navigation/bottom-tabs @react-navigation/material-top-tabs @react-navigation/material-bottom-tabs @react-navigation/drawer @react-navigation/elements @react-navigation/routers @react-navigation/web react-native-tab-view react-native-pager-view react-native-reanimated react-native-gesture-handler react-native-screens react-native-safe-area-context react-native-svg expo @expo/vector-icons expo-linear-gradient expo-constants expo-linking --save` 确保所有依赖都正确安装。`npm install`。`npx pod-install

---

真实演示案例代码：

// app.tsx
import React, { useState } from 'react';
import { SafeAreaView, View, Text, StyleSheet, TouchableOpacity, ScrollView, Dimensions, Alert, FlatList } from 'react-native';

// 图标库
const ICONS = {
  knowledge: '📚',
  share: '📤',
  user: '👥',
  article: '📝',
  search: '🔍',
  star: '⭐',
  like: '👍',
  comment: '💬',
};

const { width } = Dimensions.get('window');

// 知识条目类型
type KnowledgeItem = {
  id: string;
  title: string;
  content: string;
  author: string;
  category: string;
  tags: string[];
  likes: number;
  comments: number;
  sharedBy: string;
  sharedAt: string;
  isStarred: boolean;
};

// 类别类型
type Category = {
  id: string;
  name: string;
  count: number;
  icon: string;
};

// 知识条目卡片组件
const KnowledgeCard = ({ 
  item, 
  onLike,
  onComment,
  onStar
}: { 
  item: KnowledgeItem; 
  onLike: (id: string) => void;
  onComment: (id: string) => void;
  onStar: (id: string) => void;
}) => {
  return (
    <View style={styles.knowledgeCard}>
      <View style={styles.cardHeader}>
        <View style={styles.authorInfo}>
          <Text style={styles.authorAvatar}>{ICONS.user}</Text>
          <View>
            <Text style={styles.authorName}>{item.author}</Text>
            <Text style={styles.sharedInfo}>分享自: {item.sharedBy} • {item.sharedAt}</Text>
          </View>
        </View>
        <TouchableOpacity onPress={() => onStar(item.id)}>
          <Text style={styles.starIcon}>{item.isStarred ? ICONS.star : '☆'}</Text>
        </TouchableOpacity>
      </View>
      
      <Text style={styles.cardTitle}>{item.title}</Text>
      <Text style={styles.cardContent} numberOfLines={3}>{item.content}</Text>
      
      <View style={styles.tagContainer}>
        <Text style={styles.categoryTag}>{item.category}</Text>
        {item.tags.slice(0, 2).map((tag, index) => (
          <Text key={index} style={styles.tag}>#{tag}</Text>
        ))}
      </View>
      
      <View style={styles.cardFooter}>
        <TouchableOpacity style={styles.actionButton} onPress={() => onLike(item.id)}>
          <Text style={styles.actionIcon}>{ICONS.like}</Text>
          <Text style={styles.actionText}>{item.likes}</Text>
        </TouchableOpacity>
        <TouchableOpacity style={styles.actionButton} onPress={() => onComment(item.id)}>
          <Text style={styles.actionIcon}>{ICONS.comment}</Text>
          <Text style={styles.actionText}>{item.comments}</Text>
        </TouchableOpacity>
        <Text style={styles.actionText}>{item.sharedAt}</Text>
      </View>
    </View>
  );
};

// 统计卡片组件
const StatCard = ({ 
  title, 
  value, 
  icon 
}: { 
  title: string; 
  value: string | number; 
  icon: string 
}) => {
  return (
    <View style={styles.statCard}>
      <Text style={styles.statIcon}>{icon}</Text>
      <View style={styles.statInfo}>
        <Text style={styles.statValue}>{value}</Text>
        <Text style={styles.statTitle}>{title}</Text>
      </View>
    </View>
  );
};

// 类别卡片组件
const CategoryCard = ({ 
  category, 
  onPress 
}: { 
  category: Category; 
  onPress: () => void 
}) => {
  return (
    <TouchableOpacity style={styles.categoryCard} onPress={onPress}>
      <Text style={styles.categoryIcon}>{category.icon}</Text>
      <Text style={styles.categoryName}>{category.name}</Text>
      <Text style={styles.categoryCount}>({category.count})</Text>
    </TouchableOpacity>
  );
};

// 主页面组件
const KnowledgeSharingPlatformApp: React.FC = () => {
  const [knowledgeItems, setKnowledgeItems] = useState<KnowledgeItem[]>([
    {
      id: '1',
      title: 'React Native 性能优化指南',
      content: '本文详细介绍了React Native应用性能优化的各种技巧和最佳实践，包括虚拟化列表、内存管理、渲染优化等方面的内容...',
      author: '张工程师',
      category: '前端开发',
      tags: ['React', '性能优化', '移动端'],
      likes: 42,
      comments: 8,
      sharedBy: '李总监',
      sharedAt: '2小时前',
      isStarred: true
    },
    {
      id: '2',
      title: '数据库索引设计最佳实践',
      content: '数据库索引是提升查询性能的关键因素之一。本文将详细介绍如何设计高效的数据库索引，包括单列索引、复合索引、覆盖索引等...',
      author: '王架构师',
      category: '后端开发',
      tags: ['数据库', '索引', '性能'],
      likes: 36,
      comments: 5,
      sharedBy: '陈经理',
      sharedAt: '5小时前',
      isStarred: false
    },
    {
      id: '3',
      title: '敏捷开发流程详解',
      content: '敏捷开发是一种迭代式的软件开发方法论，强调快速交付、持续改进和团队协作。本文将深入解析敏捷开发的核心原则和实践...',
      author: '刘项目经理',
      category: '项目管理',
      tags: ['敏捷', '项目管理', '团队协作'],
      likes: 28,
      comments: 12,
      sharedBy: '赵主管',
      sharedAt: '1天前',
      isStarred: true
    },
    {
      id: '4',
      title: '用户体验设计原则',
      content: '良好的用户体验是产品成功的关键因素。本文总结了用户体验设计的核心原则，包括可用性、可访问性、一致性等方面...',
      author: '孙设计师',
      category: 'UI/UX',
      tags: ['用户体验', '界面设计', '交互'],
      likes: 51,
      comments: 15,
      sharedBy: '周总监',
      sharedAt: '2天前',
      isStarred: false
    }
  ]);

  const [categories] = useState<Category[]>([
    { id: '1', name: '前端开发', count: 42, icon: ICONS.article },
    { id: '2', name: '后端开发', count: 38, icon: ICONS.article },
    { id: '3', name: '项目管理', count: 24, icon: ICONS.article },
    { id: '4', name: 'UI/UX', count: 18, icon: ICONS.article },
    { id: '5', name: '数据分析', count: 15, icon: ICONS.article },
    { id: '6', name: '运维安全', count: 12, icon: ICONS.article },
  ]);

  const [stats] = useState([
    { title: '知识条目', value: 124, icon: ICONS.knowledge },
    { title: '团队成员', value: 36, icon: ICONS.user },
    { title: '本月分享', value: 18, icon: ICONS.share },
    { title: '本月点赞', value: 245, icon: ICONS.like },
  ]);

  const handleLike = (id: string) => {
    setKnowledgeItems(items => 
      items.map(item => 
        item.id === id ? { ...item, likes: item.likes + 1 } : item
      )
    );
  };

  const handleComment = (id: string) => {
    Alert.alert('评论', `为知识条目 ${knowledgeItems.find(k => k.id === id)?.title} 添加评论`);
  };

  const handleStar = (id: string) => {
    setKnowledgeItems(items => 
      items.map(item => 
        item.id === id ? { ...item, isStarred: !item.isStarred } : item
      )
    );
  };

  const handleCategoryPress = (name: string) => {
    Alert.alert('类别筛选', `显示 ${name} 类别的知识条目`);
  };

  const handleSearch = () => {
    Alert.alert('搜索', '打开知识库搜索功能');
  };

  const handleShare = () => {
    Alert.alert('分享知识', '选择要分享的知识内容');
  };

  return (
    <SafeAreaView style={styles.container}>
      {/* 头部 */}
      <View style={styles.header}>
        <Text style={styles.title}>团队知识库</Text>
        <View style={styles.headerActions}>
          <TouchableOpacity style={styles.searchButton} onPress={handleSearch}>
            <Text style={styles.searchIcon}>{ICONS.search}</Text>
          </TouchableOpacity>
          <TouchableOpacity style={styles.shareButton} onPress={handleShare}>
            <Text style={styles.shareText}>{ICONS.share} 分享</Text>
          </TouchableOpacity>
        </View>
      </View>

      {/* 统计卡片 */}
      <ScrollView style={styles.content}>
        <View style={styles.statsContainer}>
          {stats.map((stat, index) => (
            <StatCard
              key={index}
              title={stat.title}
              value={stat.value}
              icon={stat.icon}
            />
          ))}
        </View>

        {/* 类别列表 */}
        <Text style={styles.sectionTitle}>知识类别</Text>
        <ScrollView horizontal showsHorizontalScrollIndicator={false} style={styles.categoriesContainer}>
          <View style={styles.categoriesList}>
            {categories.map(category => (
              <CategoryCard
                key={category.id}
                category={category}
                onPress={() => handleCategoryPress(category.name)}
              />
            ))}
          </View>
        </ScrollView>

        {/* 知识条目列表 */}
        <Text style={styles.sectionTitle}>最新分享 ({knowledgeItems.length})</Text>
        <FlatList
          data={knowledgeItems}
          keyExtractor={item => item.id}
          renderItem={({ item }) => (
            <KnowledgeCard
              item={item}
              onLike={handleLike}
              onComment={handleComment}
              onStar={handleStar}
            />
          )}
          showsVerticalScrollIndicator={false}
        />

        {/* 操作按钮 */}
        <View style={styles.actionButtons}>
          <TouchableOpacity style={styles.fabButton}>
            <Text style={styles.fabIcon}>{ICONS.search}</Text>
          </TouchableOpacity>
          <TouchableOpacity style={styles.fabButton}>
            <Text style={styles.fabIcon}>{ICONS.share}</Text>
          </TouchableOpacity>
        </View>
      </ScrollView>

      {/* 底部导航 */}
      <View style={styles.bottomNav}>
        <TouchableOpacity style={styles.navItem}>
          <Text style={styles.navIcon}>{ICONS.knowledge}</Text>
          <Text style={styles.navText}>知识库</Text>
        </TouchableOpacity>
        <TouchableOpacity style={styles.navItem}>
          <Text style={styles.navIcon}>{ICONS.article}</Text>
          <Text style={styles.navText}>文章</Text>
        </TouchableOpacity>
        <TouchableOpacity style={[styles.navItem, styles.activeNavItem]}>
          <Text style={styles.navIcon}>{ICONS.star}</Text>
          <Text style={styles.navText}>收藏</Text>
        </TouchableOpacity>
        <TouchableOpacity style={styles.navItem}>
          <Text style={styles.navIcon}>{ICONS.user}</Text>
          <Text style={styles.navText}>我的</Text>
        </TouchableOpacity>
      </View>
    </SafeAreaView>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#f8fafc',
  },
  header: {
    flexDirection: 'row',
    alignItems: 'center',
    justifyContent: 'space-between',
    padding: 20,
    backgroundColor: '#ffffff',
    borderBottomWidth: 1,
    borderBottomColor: '#e2e8f0',
  },
  title: {
    fontSize: 20,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  headerActions: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  searchButton: {
    width: 36,
    height: 36,
    borderRadius: 18,
    backgroundColor: '#f1f5f9',
    alignItems: 'center',
    justifyContent: 'center',
    marginRight: 12,
  },
  searchIcon: {
    fontSize: 18,
    color: '#64748b',
  },
  shareButton: {
    backgroundColor: '#3b82f6',
    paddingHorizontal: 16,
    paddingVertical: 8,
    borderRadius: 20,
  },
  shareText: {
    color: '#ffffff',
    fontSize: 14,
    fontWeight: '500',
  },
  content: {
    flex: 1,
    padding: 16,
  },
  statsContainer: {
    flexDirection: 'row',
    flexWrap: 'wrap',
    justifyContent: 'space-between',
    marginBottom: 16,
  },
  statCard: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 16,
    width: (width - 48) / 2,
    marginBottom: 12,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
    flexDirection: 'row',
    alignItems: 'center',
  },
  statIcon: {
    fontSize: 24,
    color: '#3b82f6',
    marginRight: 12,
  },
  statInfo: {},
  statValue: {
    fontSize: 20,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  statTitle: {
    fontSize: 12,
    color: '#64748b',
    marginTop: 4,
  },
  sectionTitle: {
    fontSize: 18,
    fontWeight: 'bold',
    color: '#1e293b',
    marginVertical: 12,
  },
  categoriesContainer: {
    marginBottom: 16,
  },
  categoriesList: {
    flexDirection: 'row',
  },
  categoryCard: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 12,
    marginRight: 12,
    alignItems: 'center',
    minWidth: 80,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
  },
  categoryIcon: {
    fontSize: 24,
    color: '#3b82f6',
    marginBottom: 8,
  },
  categoryName: {
    fontSize: 12,
    color: '#1e293b',
    textAlign: 'center',
  },
  categoryCount: {
    fontSize: 10,
    color: '#64748b',
    marginTop: 4,
  },
  knowledgeCard: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 16,
    marginBottom: 16,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
  },
  cardHeader: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    marginBottom: 12,
  },
  authorInfo: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  authorAvatar: {
    width: 32,
    height: 32,
    borderRadius: 16,
    backgroundColor: '#dbeafe',
    alignItems: 'center',
    justifyContent: 'center',
    marginRight: 12,
  },
  authorName: {
    fontSize: 14,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  sharedInfo: {
    fontSize: 12,
    color: '#64748b',
  },
  starIcon: {
    fontSize: 20,
    color: '#f59e0b',
  },
  cardTitle: {
    fontSize: 16,
    fontWeight: 'bold',
    color: '#1e293b',
    marginBottom: 8,
  },
  cardContent: {
    fontSize: 14,
    color: '#334155',
    lineHeight: 20,
    marginBottom: 12,
  },
  tagContainer: {
    flexDirection: 'row',
    flexWrap: 'wrap',
    marginBottom: 12,
  },
  categoryTag: {
    backgroundColor: '#dbeafe',
    color: '#3b82f6',
    fontSize: 12,
    paddingHorizontal: 8,
    paddingVertical: 4,
    borderRadius: 12,
    marginRight: 8,
    marginBottom: 4,
  },
  tag: {
    backgroundColor: '#f1f5f9',
    color: '#64748b',
    fontSize: 12,
    paddingHorizontal: 8,
    paddingVertical: 4,
    borderRadius: 12,
    marginRight: 8,
    marginBottom: 4,
  },
  cardFooter: {
    flexDirection: 'row',
    alignItems: 'center',
    borderTopWidth: 1,
    borderTopColor: '#e2e8f0',
    paddingTop: 12,
  },
  actionButton: {
    flexDirection: 'row',
    alignItems: 'center',
    marginRight: 16,
  },
  actionIcon: {
    fontSize: 16,
    color: '#64748b',
    marginRight: 4,
  },
  actionText: {
    fontSize: 12,
    color: '#64748b',
  },
  actionButtons: {
    position: 'absolute',
    right: 20,
    bottom: 80,
    flexDirection: 'column',
  },
  fabButton: {
    width: 50,
    height: 50,
    borderRadius: 25,
    backgroundColor: '#3b82f6',
    alignItems: 'center',
    justifyContent: 'center',
    marginBottom: 12,
    elevation: 3,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.25,
    shadowRadius: 4,
  },
  fabIcon: {
    fontSize: 20,
    color: '#ffffff',
  },
  bottomNav: {
    flexDirection: 'row',
    justifyContent: 'space-around',
    backgroundColor: '#ffffff',
    borderTopWidth: 1,
    borderTopColor: '#e2e8f0',
    paddingVertical: 12,
  },
  navItem: {
    alignItems: 'center',
    flex: 1,
  },
  activeNavItem: {
    paddingBottom: 2,
    borderBottomWidth: 2,
    borderBottomColor: '#3b82f6',
  },
  navIcon: {
    fontSize: 20,
    color: '#94a3b8',
    marginBottom: 4,
  },
  activeNavIcon: {
    color: '#3b82f6',
  },
  navText: {
    fontSize: 12,
    color: '#94a3b8',
  },
  activeNavText: {
    color: '#3b82f6',
    fontWeight: '500',
  },
});

export default KnowledgeSharingPlatformApp;// app.tsx
import React, { useState } from 'react';
import { SafeAreaView, View, Text, StyleSheet, TouchableOpacity, ScrollView, Dimensions, Alert, FlatList } from 'react-native';

// 图标库
const ICONS = {
  knowledge: '📚',
  share: '📤',
  user: '👥',
  article: '📝',
  search: '🔍',
  star: '⭐',
  like: '👍',
  comment: '💬',
};

const { width } = Dimensions.get('window');

// 知识条目类型
type KnowledgeItem = {
  id: string;
  title: string;
  content: string;
  author: string;
  category: string;
  tags: string[];
  likes: number;
  comments: number;
  sharedBy: string;
  sharedAt: string;
  isStarred: boolean;
};

// 类别类型
type Category = {
  id: string;
  name: string;
  count: number;
  icon: string;
};

// 知识条目卡片组件
const KnowledgeCard = ({ 
  item, 
  onLike,
  onComment,
  onStar
}: { 
  item: KnowledgeItem; 
  onLike: (id: string) => void;
  onComment: (id: string) => void;
  onStar: (id: string) => void;
}) => {
  return (
    <View style={styles.knowledgeCard}>
      <View style={styles.cardHeader}>
        <View style={styles.authorInfo}>
          <Text style={styles.authorAvatar}>{ICONS.user}</Text>
          <View>
            <Text style={styles.authorName}>{item.author}</Text>
            <Text style={styles.sharedInfo}>分享自: {item.sharedBy} • {item.sharedAt}</Text>
          </View>
        </View>
        <TouchableOpacity onPress={() => onStar(item.id)}>
          <Text style={styles.starIcon}>{item.isStarred ? ICONS.star : '☆'}</Text>
        </TouchableOpacity>
      </View>
      
      <Text style={styles.cardTitle}>{item.title}</Text>
      <Text style={styles.cardContent} numberOfLines={3}>{item.content}</Text>
      
      <View style={styles.tagContainer}>
        <Text style={styles.categoryTag}>{item.category}</Text>
        {item.tags.slice(0, 2).map((tag, index) => (
          <Text key={index} style={styles.tag}>#{tag}</Text>
        ))}
      </View>
      
      <View style={styles.cardFooter}>
        <TouchableOpacity style={styles.actionButton} onPress={() => onLike(item.id)}>
          <Text style={styles.actionIcon}>{ICONS.like}</Text>
          <Text style={styles.actionText}>{item.likes}</Text>
        </TouchableOpacity>
        <TouchableOpacity style={styles.actionButton} onPress={() => onComment(item.id)}>
          <Text style={styles.actionIcon}>{ICONS.comment}</Text>
          <Text style={styles.actionText}>{item.comments}</Text>
        </TouchableOpacity>
        <Text style={styles.actionText}>{item.sharedAt}</Text>
      </View>
    </View>
  );
};

// 统计卡片组件
const StatCard = ({ 
  title, 
  value, 
  icon 
}: { 
  title: string; 
  value: string | number; 
  icon: string 
}) => {
  return (
    <View style={styles.statCard}>
      <Text style={styles.statIcon}>{icon}</Text>
      <View style={styles.statInfo}>
        <Text style={styles.statValue}>{value}</Text>
        <Text style={styles.statTitle}>{title}</Text>
      </View>
    </View>
  );
};

// 类别卡片组件
const CategoryCard = ({ 
  category, 
  onPress 
}: { 
  category: Category; 
  onPress: () => void 
}) => {
  return (
    <TouchableOpacity style={styles.categoryCard} onPress={onPress}>
      <Text style={styles.categoryIcon}>{category.icon}</Text>
      <Text style={styles.categoryName}>{category.name}</Text>
      <Text style={styles.categoryCount}>({category.count})</Text>
    </TouchableOpacity>
  );
};

// 主页面组件
const KnowledgeSharingPlatformApp: React.FC = () => {
  const [knowledgeItems, setKnowledgeItems] = useState<KnowledgeItem[]>([
    {
      id: '1',
      title: 'React Native 性能优化指南',
      content: '本文详细介绍了React Native应用性能优化的各种技巧和最佳实践，包括虚拟化列表、内存管理、渲染优化等方面的内容...',
      author: '张工程师',
      category: '前端开发',
      tags: ['React', '性能优化', '移动端'],
      likes: 42,
      comments: 8,
      sharedBy: '李总监',
      sharedAt: '2小时前',
      isStarred: true
    },
    {
      id: '2',
      title: '数据库索引设计最佳实践',
      content: '数据库索引是提升查询性能的关键因素之一。本文将详细介绍如何设计高效的数据库索引，包括单列索引、复合索引、覆盖索引等...',
      author: '王架构师',
      category: '后端开发',
      tags: ['数据库', '索引', '性能'],
      likes: 36,
      comments: 5,
      sharedBy: '陈经理',
      sharedAt: '5小时前',
      isStarred: false
    },
    {
      id: '3',
      title: '敏捷开发流程详解',
      content: '敏捷开发是一种迭代式的软件开发方法论，强调快速交付、持续改进和团队协作。本文将深入解析敏捷开发的核心原则和实践...',
      author: '刘项目经理',
      category: '项目管理',
      tags: ['敏捷', '项目管理', '团队协作'],
      likes: 28,
      comments: 12,
      sharedBy: '赵主管',
      sharedAt: '1天前',
      isStarred: true
    },
    {
      id: '4',
      title: '用户体验设计原则',
      content: '良好的用户体验是产品成功的关键因素。本文总结了用户体验设计的核心原则，包括可用性、可访问性、一致性等方面...',
      author: '孙设计师',
      category: 'UI/UX',
      tags: ['用户体验', '界面设计', '交互'],
      likes: 51,
      comments: 15,
      sharedBy: '周总监',
      sharedAt: '2天前',
      isStarred: false
    }
  ]);

  const [categories] = useState<Category[]>([
    { id: '1', name: '前端开发', count: 42, icon: ICONS.article },
    { id: '2', name: '后端开发', count: 38, icon: ICONS.article },
    { id: '3', name: '项目管理', count: 24, icon: ICONS.article },
    { id: '4', name: 'UI/UX', count: 18, icon: ICONS.article },
    { id: '5', name: '数据分析', count: 15, icon: ICONS.article },
    { id: '6', name: '运维安全', count: 12, icon: ICONS.article },
  ]);

  const [stats] = useState([
    { title: '知识条目', value: 124, icon: ICONS.knowledge },
    { title: '团队成员', value: 36, icon: ICONS.user },
    { title: '本月分享', value: 18, icon: ICONS.share },
    { title: '本月点赞', value: 245, icon: ICONS.like },
  ]);

  const handleLike = (id: string) => {
    setKnowledgeItems(items => 
      items.map(item => 
        item.id === id ? { ...item, likes: item.likes + 1 } : item
      )
    );
  };

  const handleComment = (id: string) => {
    Alert.alert('评论', `为知识条目 ${knowledgeItems.find(k => k.id === id)?.title} 添加评论`);
  };

  const handleStar = (id: string) => {
    setKnowledgeItems(items => 
      items.map(item => 
        item.id === id ? { ...item, isStarred: !item.isStarred } : item
      )
    );
  };

  const handleCategoryPress = (name: string) => {
    Alert.alert('类别筛选', `显示 ${name} 类别的知识条目`);
  };

  const handleSearch = () => {
    Alert.alert('搜索', '打开知识库搜索功能');
  };

  const handleShare = () => {
    Alert.alert('分享知识', '选择要分享的知识内容');
  };

  return (
    <SafeAreaView style={styles.container}>
      {/* 头部 */}
      <View style={styles.header}>
        <Text style={styles.title}>团队知识库</Text>
        <View style={styles.headerActions}>
          <TouchableOpacity style={styles.searchButton} onPress={handleSearch}>
            <Text style={styles.searchIcon}>{ICONS.search}</Text>
          </TouchableOpacity>
          <TouchableOpacity style={styles.shareButton} onPress={handleShare}>
            <Text style={styles.shareText}>{ICONS.share} 分享</Text>
          </TouchableOpacity>
        </View>
      </View>

      {/* 统计卡片 */}
      <ScrollView style={styles.content}>
        <View style={styles.statsContainer}>
          {stats.map((stat, index) => (
            <StatCard
              key={index}
              title={stat.title}
              value={stat.value}
              icon={stat.icon}
            />
          ))}
        </View>

        {/* 类别列表 */}
        <Text style={styles.sectionTitle}>知识类别</Text>
        <ScrollView horizontal showsHorizontalScrollIndicator={false} style={styles.categoriesContainer}>
          <View style={styles.categoriesList}>
            {categories.map(category => (
              <CategoryCard
                key={category.id}
                category={category}
                onPress={() => handleCategoryPress(category.name)}
              />
            ))}
          </View>
        </ScrollView>

        {/* 知识条目列表 */}
        <Text style={styles.sectionTitle}>最新分享 ({knowledgeItems.length})</Text>
        <FlatList
          data={knowledgeItems}
          keyExtractor={item => item.id}
          renderItem={({ item }) => (
            <KnowledgeCard
              item={item}
              onLike={handleLike}
              onComment={handleComment}
              onStar={handleStar}
            />
          )}
          showsVerticalScrollIndicator={false}
        />

        {/* 操作按钮 */}
        <View style={styles.actionButtons}>
          <TouchableOpacity style={styles.fabButton}>
            <Text style={styles.fabIcon}>{ICONS.search}</Text>
          </TouchableOpacity>
          <TouchableOpacity style={styles.fabButton}>
            <Text style={styles.fabIcon}>{ICONS.share}</Text>
          </TouchableOpacity>
        </View>
      </ScrollView>

      {/* 底部导航 */}
      <View style={styles.bottomNav}>
        <TouchableOpacity style={styles.navItem}>
          <Text style={styles.navIcon}>{ICONS.knowledge}</Text>
          <Text style={styles.navText}>知识库</Text>
        </TouchableOpacity>
        <TouchableOpacity style={styles.navItem}>
          <Text style={styles.navIcon}>{ICONS.article}</Text>
          <Text style={styles.navText}>文章</Text>
        </TouchableOpacity>
        <TouchableOpacity style={[styles.navItem, styles.activeNavItem]}>
          <Text style={styles.navIcon}>{ICONS.star}</Text>
          <Text style={styles.navText}>收藏</Text>
        </TouchableOpacity>
        <TouchableOpacity style={styles.navItem}>
          <Text style={styles.navIcon}>{ICONS.user}</Text>
          <Text style={styles.navText}>我的</Text>
        </TouchableOpacity>
      </View>
    </SafeAreaView>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#f8fafc',
  },
  header: {
    flexDirection: 'row',
    alignItems: 'center',
    justifyContent: 'space-between',
    padding: 20,
    backgroundColor: '#ffffff',
    borderBottomWidth: 1,
    borderBottomColor: '#e2e8f0',
  },
  title: {
    fontSize: 20,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  headerActions: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  searchButton: {
    width: 36,
    height: 36,
    borderRadius: 18,
    backgroundColor: '#f1f5f9',
    alignItems: 'center',
    justifyContent: 'center',
    marginRight: 12,
  },
  searchIcon: {
    fontSize: 18,
    color: '#64748b',
  },
  shareButton: {
    backgroundColor: '#3b82f6',
    paddingHorizontal: 16,
    paddingVertical: 8,
    borderRadius: 20,
  },
  shareText: {
    color: '#ffffff',
    fontSize: 14,
    fontWeight: '500',
  },
  content: {
    flex: 1,
    padding: 16,
  },
  statsContainer: {
    flexDirection: 'row',
    flexWrap: 'wrap',
    justifyContent: 'space-between',
    marginBottom: 16,
  },
  statCard: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 16,
    width: (width - 48) / 2,
    marginBottom: 12,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
    flexDirection: 'row',
    alignItems: 'center',
  },
  statIcon: {
    fontSize: 24,
    color: '#3b82f6',
    marginRight: 12,
  },
  statInfo: {},
  statValue: {
    fontSize: 20,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  statTitle: {
    fontSize: 12,
    color: '#64748b',
    marginTop: 4,
  },
  sectionTitle: {
    fontSize: 18,
    fontWeight: 'bold',
    color: '#1e293b',
    marginVertical: 12,
  },
  categoriesContainer: {
    marginBottom: 16,
  },
  categoriesList: {
    flexDirection: 'row',
  },
  categoryCard: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 12,
    marginRight: 12,
    alignItems: 'center',
    minWidth: 80,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
  },
  categoryIcon: {
    fontSize: 24,
    color: '#3b82f6',
    marginBottom: 8,
  },
  categoryName: {
    fontSize: 12,
    color: '#1e293b',
    textAlign: 'center',
  },
  categoryCount: {
    fontSize: 10,
    color: '#64748b',
    marginTop: 4,
  },
  knowledgeCard: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 16,
    marginBottom: 16,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
  },
  cardHeader: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    marginBottom: 12,
  },
  authorInfo: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  authorAvatar: {
    width: 32,
    height: 32,
    borderRadius: 16,
    backgroundColor: '#dbeafe',
    alignItems: 'center',
    justifyContent: 'center',
    marginRight: 12,
  },
  authorName: {
    fontSize: 14,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  sharedInfo: {
    fontSize: 12,
    color: '#64748b',
  },
  starIcon: {
    fontSize: 20,
    color: '#f59e0b',
  },
  cardTitle: {
    fontSize: 16,
    fontWeight: 'bold',
    color: '#1e293b',
    marginBottom: 8,
  },
  cardContent: {
    fontSize: 14,
    color: '#334155',
    lineHeight: 20,
    marginBottom: 12,
  },
  tagContainer: {
    flexDirection: 'row',
    flexWrap: 'wrap',
    marginBottom: 12,
  },
  categoryTag: {
    backgroundColor: '#dbeafe',
    color: '#3b82f6',
    fontSize: 12,
    paddingHorizontal: 8,
    paddingVertical: 4,
    borderRadius: 12,
    marginRight: 8,
    marginBottom: 4,
  },
  tag: {
    backgroundColor: '#f1f5f9',
    color: '#64748b',
    fontSize: 12,
    paddingHorizontal: 8,
    paddingVertical: 4,
    borderRadius: 12,
    marginRight: 8,
    marginBottom: 4,
  },
  cardFooter: {
    flexDirection: 'row',
    alignItems: 'center',
    borderTopWidth: 1,
    borderTopColor: '#e2e8f0',
    paddingTop: 12,
  },
  actionButton: {
    flexDirection: 'row',
    alignItems: 'center',
    marginRight: 16,
  },
  actionIcon: {
    fontSize: 16,
    color: '#64748b',
    marginRight: 4,
  },
  actionText: {
    fontSize: 12,
    color: '#64748b',
  },
  actionButtons: {
    position: 'absolute',
    right: 20,
    bottom: 80,
    flexDirection: 'column',
  },
  fabButton: {
    width: 50,
    height: 50,
    borderRadius: 25,
    backgroundColor: '#3b82f6',
    alignItems: 'center',
    justifyContent: 'center',
    marginBottom: 12,
    elevation: 3,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.25,
    shadowRadius: 4,
  },
  fabIcon: {
    fontSize: 20,
    color: '#ffffff',
  },
  bottomNav: {
    flexDirection: 'row',
    justifyContent: 'space-around',
    backgroundColor: '#ffffff',
    borderTopWidth: 1,
    borderTopColor: '#e2e8f0',
    paddingVertical: 12,
  },
  navItem: {
    alignItems: 'center',
    flex: 1,
  },
  activeNavItem: {
    paddingBottom: 2,
    borderBottomWidth: 2,
    borderBottomColor: '#3b82f6',
  },
  navIcon: {
    fontSize: 20,
    color: '#94a3b8',
    marginBottom: 4,
  },
  activeNavIcon: {
    color: '#3b82f6',
  },
  navText: {
    fontSize: 12,
    color: '#94a3b8',
  },
  activeNavText: {
    color: '#3b82f6',
    fontWeight: '500',
  },
});

export default KnowledgeSharingPlatformApp

---

打包

接下来通过打包命令npn run harmony将reactNative的代码打包成为bundle，这样可以进行在开源鸿蒙OpenHarmony中进行使用。

打包之后再将打包后的鸿蒙OpenHarmony文件拷贝到鸿蒙的DevEco-Studio工程目录去：

最后运行效果图如下显示：

欢迎大家加入开源鸿蒙跨平台开发者社区，一起共建开源鸿蒙跨平台生态。