175 lines
5.1 KiB
Markdown
175 lines
5.1 KiB
Markdown
# 多语言支持说明 / Multi-language Support
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## 概述 / Overview
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TexPixel 现在支持完整的中英文双语切换，包括：
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- 动态页面标题和 meta 标签更新
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- SEO 优化的多语言支持
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- 智能语言检测（基于 IP 和浏览器偏好）
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TexPixel now supports complete bilingual switching between Chinese and English, including:
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- Dynamic page title and meta tag updates
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- SEO-optimized multi-language support
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- Intelligent language detection (based on IP and browser preferences)
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---
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## 功能特性 / Features
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### 1. 自动语言检测 / Automatic Language Detection
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应用会按以下优先级检测用户语言：
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1. localStorage 中保存的用户选择
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2. IP 地理位置检测
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3. 浏览器语言设置
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The app detects user language in the following order of priority:
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1. User's saved preference in localStorage
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2. IP geolocation detection
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3. Browser language settings
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### 2. SEO 优化 / SEO Optimization
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- **hreflang 标签**：告知搜索引擎不同语言版本的页面
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- **多语言 meta 标签**：description、keywords、og:locale 等
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- **动态标题更新**：切换语言时自动更新页面标题
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Features include:
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- **hreflang tags**: Inform search engines about different language versions
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- **Multilingual meta tags**: description, keywords, og:locale, etc.
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- **Dynamic title updates**: Automatically update page title when switching languages
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### 3. Open Graph 和 Twitter Cards
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支持社交媒体分享的多语言 meta 标签：
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- Facebook (Open Graph)
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- Twitter Cards
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- 其他支持 OG 协议的平台
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Multilingual meta tags for social media sharing:
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- Facebook (Open Graph)
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- Twitter Cards
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- Other platforms supporting OG protocol
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---
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## 技术实现 / Technical Implementation
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### 文件结构 / File Structure
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```
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src/
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├── lib/
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│ ├── seoHelper.ts # SEO 元数据管理 / SEO metadata management
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│ ├── translations.ts # 翻译文本 / Translation texts
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│ └── ipLocation.ts # IP 定位 / IP location detection
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├── contexts/
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│ └── LanguageContext.tsx # 语言上下文 / Language context
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└── components/
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└── Navbar.tsx # 语言切换器 / Language switcher
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```
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### 核心函数 / Core Functions
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#### `updatePageMeta(language: Language)`
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更新页面的所有 SEO 相关元数据，包括：
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- document.title
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- HTML lang 属性
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- meta description
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- meta keywords
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- Open Graph 标签
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- Twitter Card 标签
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Updates all SEO-related metadata on the page, including:
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- document.title
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- HTML lang attribute
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- meta description
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- meta keywords
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- Open Graph tags
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- Twitter Card tags
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#### `getSEOContent(language: Language)`
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获取指定语言的 SEO 内容（标题、描述、关键词）
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Get SEO content for a specific language (title, description, keywords)
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---
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## 使用方法 / Usage
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### 在组件中使用语言功能 / Using Language Features in Components
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```typescript
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import { useLanguage } from '../contexts/LanguageContext';
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function MyComponent() {
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const { language, setLanguage, t } = useLanguage();
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return (
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<div>
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<h1>{t.common.title}</h1>
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<button onClick={() => setLanguage('en')}>English</button>
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<button onClick={() => setLanguage('zh')}>中文</button>
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</div>
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);
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}
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```
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### 添加新的翻译文本 / Adding New Translation Texts
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在 `src/lib/translations.ts` 中添加：
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```typescript
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export const translations = {
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en: {
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myFeature: {
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title: 'My Feature',
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description: 'Feature description',
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}
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},
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zh: {
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myFeature: {
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title: '我的功能',
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description: '功能描述',
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}
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}
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};
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```
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---
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## 最佳实践 / Best Practices
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1. **始终提供双语内容** / Always provide bilingual content
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- 确保所有用户可见的文本都有中英文翻译
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- Ensure all user-visible text has Chinese and English translations
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2. **保持 SEO 元数据最新** / Keep SEO metadata up-to-date
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- 在 `seoHelper.ts` 中维护准确的页面描述和关键词
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- Maintain accurate page descriptions and keywords in `seoHelper.ts`
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3. **测试语言切换** / Test language switching
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- 确保切换语言时页面标题和 meta 标签正确更新
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- Ensure page title and meta tags update correctly when switching languages
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4. **考虑 RTL 语言** / Consider RTL languages
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- 虽然目前只支持中英文，但代码架构支持未来添加其他语言
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- While currently supporting only Chinese and English, the architecture supports adding other languages in the future
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---
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## 路线图 / Roadmap
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- [ ] 添加更多语言支持（日语、韩语等）/ Add more language support (Japanese, Korean, etc.)
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- [ ] 实现 URL 路由多语言 (/en, /zh) / Implement URL routing for languages
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- [ ] 服务端渲染 (SSR) 支持 / Server-side rendering (SSR) support
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- [ ] 语言特定的日期和数字格式化 / Language-specific date and number formatting
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---
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## 相关链接 / Related Links
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- [hreflang 标签最佳实践](https://developers.google.com/search/docs/specialty/international/localized-versions)
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- [Open Graph Protocol](https://ogp.me/)
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- [Twitter Cards Documentation](https://developer.twitter.com/en/docs/twitter-for-websites/cards/overview/abouts-cards)
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