【HarmonyOS】RN_of_HarmonyOS实战项目_搜索框样式

果粒蹬i2026-02-20 10:28

【HarmonyOS】RN of HarmonyOS实战项目：搜索框样式与交互优化

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项目概述：本文详细介绍在HarmonyOS平台上使用React Native实现精美的搜索框组件，涵盖多种样式风格、搜索历史、实时建议、语音输入等功能，提供从设计实现到用户体验优化的完整解决方案。

一、项目背景

搜索框是移动应用中最常见的组件之一，其样式和交互直接影响用户体验。在HarmonyOS平台上实现优质的搜索框需要考虑：

  • 视觉设计：符合HarmonyOS设计规范的圆角、阴影、颜色
  • 交互体验：聚焦动画、清除按钮、语音输入
  • 功能增强：搜索历史、实时建议、热门搜索
  • 性能优化：防抖处理、虚拟列表、缓存策略

二、设计规范

2.1 HarmonyOS搜索框设计规范

typescript 复制代码 
/**
 * 搜索框样式配置
 */
interface SearchBarStyle {
  height: number;           // 高度，默认40-48
  borderRadius: number;     // 圆角，默认8-12
  backgroundColor: string;  // 背景色，默认#F5F5F5
  iconColor: string;       // 图标颜色，默认#999
  textColor: string;       // 文字颜色，默认#333
  placeholderColor: string; // 占位符颜色，默认#999
  shadowColor: string;     // 阴影颜色
  shadowOpacity: number;   // 阴影透明度
  shadowRadius: number;    // 阴影半径
}

/**
 * 搜索框状态
 */
type SearchBarState = 'default' | 'focused' | 'filled' | 'loading' | 'error';

2.2 搜索框样式类型

搜索框样式
默认样式
突出样式
极简样式
卡片样式
浅灰背景 + 圆角
深色背景 + 强调色
无边框 + 下划线
卡片阴影 + 悬浮效果

三、核心实现代码

3.1 基础搜索框组件

typescript 复制代码 
/**
 * 搜索框组件
 * 符合HarmonyOS设计规范的基础搜索框
 *
 * @platform HarmonyOS 2.0+
 * @react-native 0.72+
 */
import React, { useState, useCallback, useRef, useEffect } from 'react';
import {
  View,
  TextInput,
  Text,
  TouchableOpacity,
  StyleSheet,
  Animated,
  ActivityIndicator,
} from 'react-native';

interface SearchBarProps {
  placeholder?: string;
  onSearch?: (query: string) => void;
  onChangeText?: (text: string) => void;
  debounceMs?: number;
  showVoiceInput?: boolean;
  onVoiceInput?: () => void;
  style?: any;
}

export const SearchBar: React.FC<SearchBarProps> = ({
  placeholder = '搜索',
  onSearch,
  onChangeText,
  debounceMs = 300,
  showVoiceInput = false,
  onVoiceInput,
  style,
}) => {
  const [query, setQuery] = useState('');
  const [isFocused, setIsFocused] = useState(false);
  const [isLoading, setIsLoading] = useState(false);

  const inputRef = useRef<TextInput>(null);
  const debounceTimer = useRef<NodeJS.Timeout>();
  const focusAnim = useRef(new Animated.Value(0));

  /**
   * 处理输入变化
   */
  const handleChange = useCallback((text: string) => {
    setQuery(text);
    onChangeText?.(text);

    if (debounceTimer.current) {
      clearTimeout(debounceTimer.current);
    }

    if (debounceMs > 0) {
      setIsLoading(true);
      debounceTimer.current = setTimeout(() => {
        onSearch?.(text);
        setIsLoading(false);
      }, debounceMs);
    } else {
      onSearch?.(text);
    }
  }, [debounceMs, onChangeText, onSearch]);

  /**
   * 处理搜索提交
   */
  const handleSubmit = useCallback(() => {
    onSearch?.(query);
    inputRef.current?.blur();
  }, [query, onSearch]);

  /**
   * 清空搜索
   */
  const handleClear = useCallback(() => {
    setQuery('');
    onChangeText?.('');
    onSearch?.('');
    inputRef.current?.focus();
  }, [onChangeText, onSearch]);

  /**
   * 聚焦动画
   */
  useEffect(() => {
    Animated.timing(focusAnim.current, {
      toValue: isFocused ? 1 : 0,
      duration: 200,
      useNativeDriver: false,
    }).start();
  }, [isFocused]);

  /**
   * 清理定时器
   */
  useEffect(() => {
    return () => {
      if (debounceTimer.current) {
        clearTimeout(debounceTimer.current);
      }
    };
  }, []);

  const backgroundColor = focusAnim.current.interpolate({
    inputRange: [0, 1],
    outputRange: ['#F5F5F5', '#FFFFFF'],
  });

  const shadowOpacity = focusAnim.current.interpolate({
    inputRange: [0, 1],
    outputRange: [0, 0.15],
  });

  const borderColor = focusAnim.current.interpolate({
    inputRange: [0, 1],
    outputRange: ['transparent', '#007AFF'],
  });

  return (
    <Animated.View
      style={[
        styles.container,
        {
          backgroundColor,
          shadowOpacity,
          borderColor,
        },
        style,
      ]}
    >
      {/* 搜索图标 */}
      <View style={styles.iconContainer}>
        <Text style={styles.searchIcon}>🔍</Text>
      </View>

      {/* 输入框 */}
      <TextInput
        ref={inputRef}
        style={styles.input}
        value={query}
        onChangeText={handleChange}
        onSubmitEditing={handleSubmit}
        placeholder={placeholder}
        placeholderTextColor="#999"
        returnKeyType="search"
        onFocus={() => setIsFocused(true)}
        onBlur={() => setIsFocused(false)}
      />

      {/* 右侧按钮组 */}
      <View style={styles.rightContainer}>
        {isLoading && (
          <ActivityIndicator size="small" color="#007AFF" style={styles.spinner} />
        )}

        {query.length > 0 && !isLoading && (
          <TouchableOpacity onPress={handleClear} style={styles.clearButton}>
            <Text style={styles.clearIcon}>×</Text>
          </TouchableOpacity>
        )}

        {showVoiceInput && !isLoading && (
          <TouchableOpacity onPress={onVoiceInput} style={styles.voiceButton}>
            <Text style={styles.voiceIcon}>🎤</Text>
          </TouchableOpacity>
        )}
      </View>
    </Animated.View>
  );
};

const styles = StyleSheet.create({
  container: {
    flexDirection: 'row',
    alignItems: 'center',
    height: 44,
    borderRadius: 12,
    borderWidth: 1,
    paddingHorizontal: 12,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 2 },
    shadowRadius: 8,
    elevation: 2,
  },
  iconContainer: {
    marginRight: 8,
  },
  searchIcon: {
    fontSize: 16,
  },
  input: {
    flex: 1,
    height: '100%',
    fontSize: 15,
    color: '#333',
    paddingVertical: 0,
  },
  rightContainer: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: 8,
  },
  clearButton: {
    width: 28,
    height: 28,
    borderRadius: 14,
    backgroundColor: '#E0E0E0',
    justifyContent: 'center',
    alignItems: 'center',
  },
  clearIcon: {
    fontSize: 18,
    color: '#666',
    fontWeight: 'bold',
  },
  voiceButton: {
    width: 32,
    height: 32,
    justifyContent: 'center',
    alignItems: 'center',
  },
  voiceIcon: {
    fontSize: 18,
  },
  spinner: {
    marginRight: 4,
  },
});

3.2 搜索历史组件

typescript 复制代码 
/**
 * 搜索历史组件
 * 显示和管理用户的搜索历史
 */
import React, { useState, useEffect, useCallback } from 'react';
import {
  View,
  Text,
  TouchableOpacity,
  StyleSheet,
  FlatList,
  Alert,
} from 'react-native';

interface SearchHistoryProps {
  visible: boolean;
  history: string[];
  onSelect: (query: string) => void;
  onClear: () => void;
  onDelete?: (query: string) => void;
}

export const SearchHistory: React.FC<SearchHistoryProps> = ({
  visible,
  history,
  onSelect,
  onClear,
  onDelete,
}) => {
  if (!visible || history.length === 0) {
    return null;
  }

  /**
   * 渲染历史项
   */
  const renderItem = useCallback(({ item, index }: { item: string; index: number }) => (
    <TouchableOpacity
      style={historyStyles.item}
      onPress={() => onSelect(item)}
      onLongPress={() => {
        if (onDelete) {
          Alert.alert(
            '删除历史',
            `确定删除"${item}"吗？`,
            [
              { text: '取消', style: 'cancel' },
              {
                text: '删除',
                style: 'destructive',
                onPress: () => onDelete(item),
              },
            ]
          );
        }
      }}
    >
      <View style={historyStyles.itemContent}>
        <Text style={historyStyles.clockIcon}>🕐</Text>
        <Text style={historyStyles.itemText} numberOfLines={1}>
          {item}
        </Text>
      </View>
      <TouchableOpacity
        style={historyStyles.deleteButton}
        onPress={() => onDelete?.(item)}
      >
        <Text style={historyStyles.deleteIcon}>×</Text>
      </TouchableOpacity>
    </TouchableOpacity>
  ), [onDelete, onSelect]);

  return (
    <View style={historyStyles.container}>
      <View style={historyStyles.header}>
        <Text style={historyStyles.title}>搜索历史</Text>
        <TouchableOpacity onPress={onClear}>
          <Text style={historyStyles.clearText}>清空</Text>
        </TouchableOpacity>
      </View>

      <FlatList
        data={history}
        renderItem={renderItem}
        keyExtractor={(item, index) => `${item}-${index}`}
        scrollEnabled={false}
        ItemSeparatorComponent={() => <View style={historyStyles.separator} />}
      />
    </View>
  );
};

const historyStyles = StyleSheet.create({
  container: {
    backgroundColor: '#fff',
    marginTop: 12,
    borderRadius: 12,
    overflow: 'hidden',
  },
  header: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    paddingHorizontal: 16,
    paddingVertical: 12,
    borderBottomWidth: 1,
    borderBottomColor: '#F5F5F5',
  },
  title: {
    fontSize: 14,
    fontWeight: '600',
    color: '#333',
  },
  clearText: {
    fontSize: 13,
    color: '#007AFF',
  },
  item: {
    flexDirection: 'row',
    alignItems: 'center',
    justifyContent: 'space-between',
    paddingHorizontal: 16,
    paddingVertical: 12,
  },
  itemContent: {
    flexDirection: 'row',
    alignItems: 'center',
    flex: 1,
  },
  clockIcon: {
    fontSize: 14,
    marginRight: 10,
  },
  itemText: {
    flex: 1,
    fontSize: 14,
    color: '#666',
  },
  deleteButton: {
    width: 28,
    height: 28,
    justifyContent: 'center',
    alignItems: 'center',
  },
  deleteIcon: {
    fontSize: 20,
    color: '#999',
  },
  separator: {
    height: 1,
    backgroundColor: '#F5F5F5',
    marginLeft: 40,
  },
});

3.3 搜索建议组件

typescript 复制代码 
/**
 * 搜索建议组件
 * 实时显示搜索建议和热门搜索
 */
import React, { memo, useCallback } from 'react';
import {
  View,
  Text,
  TouchableOpacity,
  StyleSheet,
  FlatList,
} from 'react-native';

interface SuggestionItem {
  id: string;
  text: string;
  type: 'suggestion' | 'history' | 'hot';
  highlight?: string;
}

interface SearchSuggestionsProps {
  visible: boolean;
  suggestions: SuggestionItem[];
  hotSearches?: string[];
  onSelect: (text: string) => void;
}

export const SearchSuggestions: React.FC<SearchSuggestionsProps> = memo(({
  visible,
  suggestions,
  hotSearches = [],
  onSelect,
}) => {
  if (!visible) {
    return null;
  }

  /**
   * 渲染建议项
   */
  const renderSuggestion = useCallback(({ item }: { item: SuggestionItem }) => {
    return (
      <TouchableOpacity
        style={suggestionStyles.item}
        onPress={() => onSelect(item.text)}
      >
        <Text style={suggestionStyles.typeIcon}>
          {item.type === 'history' ? '🕐' : item.type === 'hot' ? '🔥' : '🔍'}
        </Text>
        <Text style={suggestionStyles.itemText} numberOfLines={1}>
          {item.text}
        </Text>
      </TouchableOpacity>
    );
  }, [onSelect]);

  /**
   * 渲染热门搜索
   */
  const renderHotSearches = () => {
    if (hotSearches.length === 0) return null;

    return (
      <View style={suggestionStyles.section}>
        <Text style={suggestionStyles.sectionTitle}>🔥 热门搜索</Text>
        <View style={suggestionStyles.tagContainer}>
          {hotSearches.map((item, index) => (
            <TouchableOpacity
              key={index}
              style={[
                suggestionStyles.tag,
                index < 3 && suggestionStyles.tagHot,
              ]}
              onPress={() => onSelect(item)}
            >
              <Text
                style={[
                  suggestionStyles.tagText,
                  index < 3 && suggestionStyles.tagHotText,
                ]}
                numberOfLines={1}
              >
                {item}
              </Text>
            </TouchableOpacity>
          ))}
        </View>
      </View>
    );
  };

  return (
    <View style={suggestionStyles.container}>
      {renderHotSearches()}

      {suggestions.length > 0 && (
        <FlatList
          data={suggestions}
          renderItem={renderSuggestion}
          keyExtractor={(item) => item.id}
          scrollEnabled={false}
          ListHeaderComponent={
            hotSearches.length > 0 ? (
              <View style={suggestionStyles.sectionHeader}>
                <Text style={suggestionStyles.sectionTitle}>搜索建议</Text>
              </View>
            ) : null
          }
          ItemSeparatorComponent={() => (
            <View style={suggestionStyles.separator} />
          )}
        />
      )}
    </View>
  );
});

const suggestionStyles = StyleSheet.create({
  container: {
    backgroundColor: '#fff',
    marginTop: 12,
    borderRadius: 12,
    overflow: 'hidden',
  },
  section: {
    padding: 16,
  },
  sectionHeader: {
    paddingHorizontal: 16,
    paddingVertical: 12,
    borderBottomWidth: 1,
    borderBottomColor: '#F5F5F5',
  },
  sectionTitle: {
    fontSize: 14,
    fontWeight: '600',
    color: '#333',
    marginBottom: 12,
  },
  tagContainer: {
    flexDirection: 'row',
    flexWrap: 'wrap',
    gap: 8,
  },
  tag: {
    backgroundColor: '#F5F5F5',
    paddingHorizontal: 14,
    paddingVertical: 8,
    borderRadius: 16,
  },
  tagHot: {
    backgroundColor: '#FFF3E0',
  },
  tagText: {
    fontSize: 13,
    color: '#666',
  },
  tagHotText: {
    color: '#E65100',
    fontWeight: '500',
  },
  item: {
    flexDirection: 'row',
    alignItems: 'center',
    paddingHorizontal: 16,
    paddingVertical: 12,
  },
  typeIcon: {
    fontSize: 14,
    marginRight: 12,
  },
  itemText: {
    flex: 1,
    fontSize: 14,
    color: '#333',
  },
  separator: {
    height: 1,
    backgroundColor: '#F5F5F5',
    marginLeft: 40,
  },
});

3.4 卡片样式搜索框

typescript 复制代码 
/**
 * 卡片样式搜索框
 * 带阴影效果的悬浮搜索框
 */
import React, { useState } from 'react';
import {
  View,
  TextInput,
  Text,
  TouchableOpacity,
  StyleSheet,
} from 'react-native';

interface CardSearchBarProps {
  placeholder?: string;
  onSearch?: (query: string) => void;
  filterButton?: boolean;
  onFilterPress?: () => void;
}

export const CardSearchBar: React.FC<CardSearchBarProps> = ({
  placeholder = '搜索...',
  onSearch,
  filterButton = true,
  onFilterPress,
}) => {
  const [query, setQuery] = useState('');

  return (
    <View style={cardStyles.container}>
      <View style={cardStyles.searchCard}>
        <Text style={cardStyles.searchIcon}>🔍</Text>

        <TextInput
          style={cardStyles.input}
          value={query}
          onChangeText={setQuery}
          onSubmitEditing={() => onSearch?.(query)}
          placeholder={placeholder}
          placeholderTextColor="#999"
          returnKeyType="search"
        />

        {query.length > 0 && (
          <TouchableOpacity
            onPress={() => setQuery('')}
            style={cardStyles.clearButton}
          >
            <Text style={cardStyles.clearIcon}>×</Text>
          </TouchableOpacity>
        )}
      </View>

      {filterButton && (
        <TouchableOpacity
          style={cardStyles.filterButton}
          onPress={onFilterPress}
        >
          <Text style={cardStyles.filterIcon}>⚙️</Text>
        </TouchableOpacity>
      )}
    </View>
  );
};

const cardStyles = StyleSheet.create({
  container: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: 12,
  },
  searchCard: {
    flex: 1,
    flexDirection: 'row',
    alignItems: 'center',
    backgroundColor: '#fff',
    borderRadius: 16,
    paddingHorizontal: 16,
    paddingVertical: 12,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.1,
    shadowRadius: 12,
    elevation: 4,
  },
  searchIcon: {
    fontSize: 16,
    marginRight: 10,
  },
  input: {
    flex: 1,
    fontSize: 15,
    color: '#333',
    paddingVertical: 0,
  },
  clearButton: {
    width: 28,
    height: 28,
    borderRadius: 14,
    backgroundColor: '#F5F5F5',
    justifyContent: 'center',
    alignItems: 'center',
  },
  clearIcon: {
    fontSize: 16,
    color: '#999',
    fontWeight: 'bold',
  },
  filterButton: {
    width: 48,
    height: 48,
    backgroundColor: '#007AFF',
    borderRadius: 16,
    justifyContent: 'center',
    alignItems: 'center',
    shadowColor: '#007AFF',
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.3,
    shadowRadius: 8,
    elevation: 3,
  },
  filterIcon: {
    fontSize: 18,
  },
});

3.5 极简样式搜索框

typescript 复制代码 
/**
 * 极简样式搜索框
 * 无边框、简洁设计的搜索框
 */
import React, { useState } from 'react';
import {
  View,
  TextInput,
  Text,
  StyleSheet,
} from 'react-native';

interface MinimalSearchBarProps {
  placeholder?: string;
  onSearch?: (query: string) => void;
  underline?: boolean;
}

export const MinimalSearchBar: React.FC<MinimalSearchBarProps> = ({
  placeholder = '搜索',
  onSearch,
  underline = true,
}) => {
  const [query, setQuery] = useState('');
  const [isFocused, setIsFocused] = useState(false);

  return (
    <View style={minimalStyles.container}>
      <View style={minimalStyles.inputRow}>
        <Text style={minimalStyles.icon}>🔍</Text>

        <TextInput
          style={minimalStyles.input}
          value={query}
          onChangeText={setQuery}
          onSubmitEditing={() => onSearch?.(query)}
          placeholder={placeholder}
          placeholderTextColor="#999"
          returnKeyType="search"
          onFocus={() => setIsFocused(true)}
          onBlur={() => setIsFocused(false)}
        />

        {query.length > 0 && (
          <Text
            style={minimalStyles.clear}
            onPress={() => setQuery('')}
          >
            ×
          </Text>
        )}
      </View>

      {underline && (
        <View
          style={[
            minimalStyles.underline,
            isFocused && minimalStyles.underlineFocused,
          ]}
        />
      )}
    </View>
  );
};

const minimalStyles = StyleSheet.create({
  container: {
    paddingVertical: 8,
  },
  inputRow: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  icon: {
    fontSize: 18,
    marginRight: 10,
    color: '#999',
  },
  input: {
    flex: 1,
    fontSize: 16,
    color: '#333',
    paddingVertical: 4,
  },
  clear: {
    fontSize: 20,
    color: '#999',
    marginLeft: 10,
    paddingHorizontal: 8,
  },
  underline: {
    height: 1,
    backgroundColor: '#E5E5E5',
    marginTop: 4,
  },
  underlineFocused: {
    backgroundColor: '#007AFF',
    height: 2,
  },
});

3.6 使用示例

typescript 复制代码 
/**
 * 搜索框组件使用示例
 */
import React, { useState, useCallback } from 'react';
import {
  View,
  StyleSheet,
  ScrollView,
  SafeAreaView,
} from 'react-native';
import { SearchBar } from './SearchBar';
import { SearchHistory } from './SearchHistory';
import { SearchSuggestions } from './SearchSuggestions';
import { CardSearchBar } from './CardSearchBar';
import { MinimalSearchBar } from './MinimalSearchBar';

const SearchBarDemo: React.FC = () => {
  const [query, setQuery] = useState('');
  const [showHistory, setShowHistory] = useState(true);
  const [showSuggestions, setShowSuggestions] = useState(false);
  const [history, setHistory] = useState(['React Native', 'HarmonyOS', 'TypeScript']);
  const [suggestions, setSuggestions] = useState<any[]>([]);

  const handleSearch = useCallback((text: string) => {
    setQuery(text);
    setShowHistory(false);

    // 模拟获取建议
    if (text.length > 0) {
      setSuggestions([
        { id: '1', text: `${text} 教程`, type: 'suggestion' },
        { id: '2', text: `${text} 入门`, type: 'suggestion' },
        { id: '3', text: `${text} 实战`, type: 'suggestion' },
      ]);
      setShowSuggestions(true);
    } else {
      setSuggestions([]);
      setShowSuggestions(false);
    }
  }, []);

  const handleSelectSuggestion = useCallback((text: string) => {
    setQuery(text);
    setShowSuggestions(false);

    // 添加到历史
    if (!history.includes(text)) {
      setHistory([text, ...history].slice(0, 10));
    }
  }, [history]);

  const handleClearHistory = useCallback(() => {
    setHistory([]);
  }, []);

  const handleDeleteHistory = useCallback((text: string) => {
    setHistory(history.filter(h => h !== text));
  }, [history]);

  return (
    <SafeAreaView style={demoStyles.container}>
      <ScrollView contentContainerStyle={demoStyles.content}>
        <Text style={demoStyles.title}>搜索框样式</Text>

        {/* 默认样式 */}
        <View style={demoStyles.section}>
          <Text style={demoStyles.sectionTitle}>默认样式</Text>
          <SearchBar
            placeholder="搜索"
            onSearch={handleSearch}
            showVoiceInput
          />
        </View>

        {/* 卡片样式 */}
        <View style={demoStyles.section}>
          <Text style={demoStyles.sectionTitle}>卡片样式</Text>
          <CardSearchBar
            placeholder="搜索..."
            onSearch={handleSearch}
          />
        </View>

        {/* 极简样式 */}
        <View style={demoStyles.section}>
          <Text style={demoStyles.sectionTitle}>极简样式</Text>
          <MinimalSearchBar
            placeholder="搜索"
            onSearch={handleSearch}
          />
        </View>

        {/* 搜索历史 */}
        <SearchHistory
          visible={showHistory && query.length === 0}
          history={history}
          onSelect={handleSelectSuggestion}
          onClear={handleClearHistory}
          onDelete={handleDeleteHistory}
        />

        {/* 搜索建议 */}
        <SearchSuggestions
          visible={showSuggestions}
          suggestions={suggestions}
          hotSearches={['React Native', 'HarmonyOS', 'TypeScript', 'OpenHarmony']}
          onSelect={handleSelectSuggestion}
        />
      </ScrollView>
    </SafeAreaView>
  );
};

const demoStyles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#F5F5F5',
  },
  content: {
    padding: 16,
  },
  title: {
    fontSize: 24,
    fontWeight: 'bold',
    color: '#333',
    marginBottom: 30,
    textAlign: 'center',
  },
  section: {
    marginBottom: 20,
  },
  sectionTitle: {
    fontSize: 14,
    color: '#999',
    marginBottom: 8,
  },
});

export default SearchBarDemo;

四、最佳实践

功能 实现方式 效果
防抖处理 300ms延迟搜索 减少不必要的请求
聚焦动画 背景色和阴影渐变 平滑的交互体验
搜索历史 本地存储最近搜索 快速重复搜索
热门搜索 标签云展示 发现热门内容
语音输入 集成语音识别 解放双手

五、总结

本文详细介绍了在HarmonyOS平台上实现搜索框的完整方案，涵盖：

  1. 多种样式：默认、卡片、极简三种风格
  2. 功能增强：搜索历史、实时建议、热门搜索
  3. 交互优化：聚焦动画、防抖处理、语音输入
  4. 用户体验：清晰的视觉反馈、流畅的动画

完整项目代码 ：AtomGitDemos

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