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+ + + + diff --git a/docs/MULTILANG_IMPLEMENTATION.md b/docs/MULTILANG_IMPLEMENTATION.md new file mode 100644 index 0000000..5a1be99 --- /dev/null +++ b/docs/MULTILANG_IMPLEMENTATION.md @@ -0,0 +1,140 @@ +# 多语言功能实现总结 + +## 📋 实现内容 + +### 1. HTML 文档改进 (`index.html`) +- ✅ 添加 `hreflang` 标签支持多语言 SEO +- ✅ 添加双语 meta 标签（description, keywords） +- ✅ 添加 Open Graph 和 Twitter Cards 多语言支持 +- ✅ 添加动态语言检测脚本 +- ✅ 优化 `og:locale` 和 `og:locale:alternate` 标签 + +### 2. SEO 辅助工具 (`src/lib/seoHelper.ts`) +- ✅ 创建 `updatePageMeta()` 函数动态更新 meta 标签 +- ✅ 创建 `getSEOContent()` 函数获取语言特定的 SEO 内容 +- ✅ 支持更新标题、描述、关键词、OG 标签等 + +### 3. 语言上下文增强 (`src/contexts/LanguageContext.tsx`) +- ✅ 集成 `updatePageMeta()` 在语言切换时自动更新页面 +- ✅ 在初始加载时根据用户偏好更新 meta 标签 +- ✅ 在 IP 检测后更新 meta 标签 + +### 4. 文档和测试 +- ✅ 创建详细的多语言支持文档 (`MULTILANG_README.md`) +- ✅ 创建浏览器测试脚本 (`test-multilang.js`) +- ✅ 包含最佳实践和使用示例 + +## 🎯 功能特性 + +### 自动语言检测优先级 +1. 用户在 localStorage 中保存的选择（最高优先级） +2. IP 地理位置检测 +3. 浏览器语言设置（回退） + +### SEO 优化 +- **搜索引擎**: 完整的 hreflang 支持 +- **社交媒体**: Open Graph 和 Twitter Cards +- **元数据**: 动态更新标题、描述、关键词 + +### 用户体验 +- 一键语言切换（在导航栏） +- 无刷新页面更新 +- 保持用户选择跨会话 + +## 📝 使用示例 + +### 切换语言 +```typescript +import { useLanguage } from './contexts/LanguageContext'; + +function Component() { + const { language, setLanguage, t } = useLanguage(); + + return ( + + ); +} +``` + +### 添加新翻译 +在 `src/lib/translations.ts` 中: +```typescript +export const translations = { + en: { + newFeature: { + title: 'New Feature', + } + }, + zh: { + newFeature: { + title: '新功能', + } + } +}; +``` + +### 更新 SEO 内容 +在 `src/lib/seoHelper.ts` 中: +```typescript +const seoContent: Record = { + en: { + title: 'Your English Title', + description: 'Your English description', + keywords: 'english, keywords', + }, + zh: { + title: '您的中文标题', + description: '您的中文描述', + keywords: '中文,关键词', + }, +}; +``` + +## 🧪 测试清单 + +- [ ] 页面首次加载时语言检测正确 +- [ ] 切换语言时标题更新 +- [ ] 切换语言时 meta 标签更新 +- [ ] HTML lang 属性同步更新 +- [ ] localStorage 正确保存用户选择 +- [ ] 所有 UI 文本正确翻译 +- [ ] Open Graph 预览正确显示（使用 [Facebook Sharing Debugger](https://developers.facebook.com/tools/debug/)） +- [ ] Twitter Card 预览正确显示（使用 [Twitter Card Validator](https://cards-dev.twitter.com/validator)） + +## 🚀 部署注意事项 + +### 服务器配置 +如果使用基于 URL 的语言路由（如 `/en`, `/zh`），需要配置服务器重写规则： + +**Nginx 示例**: +```nginx +location ~ ^/(en|zh) { + try_files $uri $uri/ /index.html; +} +``` + +**Apache 示例**: +```apache +RewriteEngine On +RewriteRule ^(en|zh)/ /index.html [L] +``` + +### CDN 缓存 +确保 CDN 不会缓存带有错误语言的页面： +- 使用 `Vary: Accept-Language` 头 +- 或在 URL 中包含语言参数 + +## 🔗 相关资源 + +- [Google 国际化指南](https://developers.google.com/search/docs/specialty/international/localized-versions) +- [Open Graph Protocol](https://ogp.me/) +- [Twitter Cards 文档](https://developer.twitter.com/en/docs/twitter-for-websites/cards/overview/abouts-cards) +- [hreflang 最佳实践](https://support.google.com/webmasters/answer/189077) + +## 📞 支持 + +如有问题或建议，请联系： +- Email: yogecoder@gmail.com +- QQ 群: 1018282100 diff --git a/docs/MULTILANG_README.md b/docs/MULTILANG_README.md new file mode 100644 index 0000000..f8bddb1 --- /dev/null +++ b/docs/MULTILANG_README.md @@ -0,0 +1,174 @@ +# 多语言支持说明 / Multi-language Support + +## 概述 / Overview + +TexPixel 现在支持完整的中英文双语切换，包括： +- 动态页面标题和 meta 标签更新 +- SEO 优化的多语言支持 +- 智能语言检测（基于 IP 和浏览器偏好） + +TexPixel now supports complete bilingual switching between Chinese and English, including: +- Dynamic page title and meta tag updates +- SEO-optimized multi-language support +- Intelligent language detection (based on IP and browser preferences) + +--- + +## 功能特性 / Features + +### 1. 自动语言检测 / Automatic Language Detection + +应用会按以下优先级检测用户语言： +1. localStorage 中保存的用户选择 +2. IP 地理位置检测 +3. 浏览器语言设置 + +The app detects user language in the following order of priority: +1. User's saved preference in localStorage +2. IP geolocation detection +3. Browser language settings + +### 2. SEO 优化 / SEO Optimization + +- **hreflang 标签**：告知搜索引擎不同语言版本的页面 +- **多语言 meta 标签**：description、keywords、og:locale 等 +- **动态标题更新**：切换语言时自动更新页面标题 + +Features include: +- **hreflang tags**: Inform search engines about different language versions +- **Multilingual meta tags**: description, keywords, og:locale, etc. +- **Dynamic title updates**: Automatically update page title when switching languages + +### 3. Open Graph 和 Twitter Cards + +支持社交媒体分享的多语言 meta 标签： +- Facebook (Open Graph) +- Twitter Cards +- 其他支持 OG 协议的平台 + +Multilingual meta tags for social media sharing: +- Facebook (Open Graph) +- Twitter Cards +- Other platforms supporting OG protocol + +--- + +## 技术实现 / Technical Implementation + +### 文件结构 / File Structure + +``` +src/ +├── lib/ +│ ├── seoHelper.ts # SEO 元数据管理 / SEO metadata management +│ ├── translations.ts # 翻译文本 / Translation texts +│ └── ipLocation.ts # IP 定位 / IP location detection +├── contexts/ +│ └── LanguageContext.tsx # 语言上下文 / Language context +└── components/ + └── Navbar.tsx # 语言切换器 / Language switcher +``` + +### 核心函数 / Core Functions + +#### `updatePageMeta(language: Language)` +更新页面的所有 SEO 相关元数据，包括： +- document.title +- HTML lang 属性 +- meta description +- meta keywords +- Open Graph 标签 +- Twitter Card 标签 + +Updates all SEO-related metadata on the page, including: +- document.title +- HTML lang attribute +- meta description +- meta keywords +- Open Graph tags +- Twitter Card tags + +#### `getSEOContent(language: Language)` +获取指定语言的 SEO 内容（标题、描述、关键词） + +Get SEO content for a specific language (title, description, keywords) + +--- + +## 使用方法 / Usage + +### 在组件中使用语言功能 / Using Language Features in Components + +```typescript +import { useLanguage } from '../contexts/LanguageContext'; + +function MyComponent() { + const { language, setLanguage, t } = useLanguage(); + + return ( +
+

{t.common.title}

+ + +
+ ); +} +``` + +### 添加新的翻译文本 / Adding New Translation Texts + +在 `src/lib/translations.ts` 中添加： + +```typescript +export const translations = { + en: { + myFeature: { + title: 'My Feature', + description: 'Feature description', + } + }, + zh: { + myFeature: { + title: '我的功能', + description: '功能描述', + } + } +}; +``` + +--- + +## 最佳实践 / Best Practices + +1. **始终提供双语内容** / Always provide bilingual content + - 确保所有用户可见的文本都有中英文翻译 + - Ensure all user-visible text has Chinese and English translations + +2. **保持 SEO 元数据最新** / Keep SEO metadata up-to-date + - 在 `seoHelper.ts` 中维护准确的页面描述和关键词 + - Maintain accurate page descriptions and keywords in `seoHelper.ts` + +3. **测试语言切换** / Test language switching + - 确保切换语言时页面标题和 meta 标签正确更新 + - Ensure page title and meta tags update correctly when switching languages + +4. **考虑 RTL 语言** / Consider RTL languages + - 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 + - While currently supporting only Chinese and English, the architecture supports adding other languages in the future + +--- + +## 路线图 / Roadmap + +- [ ] 添加更多语言支持（日语、韩语等）/ Add more language support (Japanese, Korean, etc.) +- [ ] 实现 URL 路由多语言 (/en, /zh) / Implement URL routing for languages +- [ ] 服务端渲染 (SSR) 支持 / Server-side rendering (SSR) support +- [ ] 语言特定的日期和数字格式化 / Language-specific date and number formatting + +--- + +## 相关链接 / Related Links + +- [hreflang 标签最佳实践](https://developers.google.com/search/docs/specialty/international/localized-versions) +- [Open Graph Protocol](https://ogp.me/) +- [Twitter Cards Documentation](https://developer.twitter.com/en/docs/twitter-for-websites/cards/overview/abouts-cards) diff --git a/index.html b/index.html index 1c87d40..8c623d6 100644 --- a/index.html +++ b/index.html @@ -1,35 +1,62 @@ - + - ⚡️ TexPixel - 公式识别工具 + + + + + + + + ⚡️ TexPixel - 公式识别工具 | Formula Recognition Tool - - + + + content="公式识别,数学公式,OCR,手写公式识别,印刷体识别,AI识别,数学工具,免费,formula recognition,math formula,handwriting recognition,latex,mathml,markdown,texpixel,TexPixel,混合文字识别,document recognition" /> - - - + + + + + + - + - - + + + - + + + + diff --git a/package-lock.json b/package-lock.json index 4a3ff38..56ad008 100644 --- a/package-lock.json +++ b/package-lock.json @@ -18,6 +18,7 @@ "mathml2omml": "^0.5.0", "react": "^18.3.1", "react-dom": "^18.3.1", + "react-hot-toast": "^2.6.0", "react-markdown": "^10.1.0", "rehype-katex": "^7.0.1", "remark-breaks": "^4.0.0", @@ -2804,6 +2805,15 @@ "url": "https://github.com/sponsors/sindresorhus" } }, + "node_modules/goober": { + "version": "2.1.18", + "resolved": "https://registry.npmjs.org/goober/-/goober-2.1.18.tgz", + "integrity": "sha512-2vFqsaDVIT9Gz7N6kAL++pLpp41l3PfDuusHcjnGLfR6+huZkl6ziX+zgVC3ZxpqWhzH6pyDdGrCeDhMIvwaxw==", + "license": "MIT", + "peerDependencies": { + "csstype": "^3.0.10" + } + }, "node_modules/graphemer": { "version": "1.4.0", "resolved": "https://registry.npmjs.org/graphemer/-/graphemer-1.4.0.tgz", @@ -4575,6 +4585,23 @@ "react": "^18.3.1" } }, + "node_modules/react-hot-toast": { + "version": "2.6.0", + "resolved": "https://registry.npmjs.org/react-hot-toast/-/react-hot-toast-2.6.0.tgz", + "integrity": "sha512-bH+2EBMZ4sdyou/DPrfgIouFpcRLCJ+HoCA32UoAYHn6T3Ur5yfcDCeSr5mwldl6pFOsiocmrXMuoCJ1vV8bWg==", + "license": "MIT", + "dependencies": { + "csstype": "^3.1.3", + "goober": "^2.1.16" + }, + "engines": { + "node": ">=10" + }, + "peerDependencies": { + "react": ">=16", + "react-dom": ">=16" + } + }, "node_modules/react-markdown": { "version": "10.1.0", "resolved": "https://registry.npmjs.org/react-markdown/-/react-markdown-10.1.0.tgz", diff --git a/package.json b/package.json index 4f7911f..877f2be 100644 --- a/package.json +++ b/package.json @@ -23,6 +23,7 @@ "mathml2omml": "^0.5.0", "react": "^18.3.1", "react-dom": "^18.3.1", + "react-hot-toast": "^2.6.0", "react-markdown": "^10.1.0", "rehype-katex": "^7.0.1", "remark-breaks": "^4.0.0", diff --git a/src/App.tsx b/src/App.tsx index d7ab87c..3b1ce93 100644 --- a/src/App.tsx +++ b/src/App.tsx @@ -180,7 +180,7 @@ function App() { markdown_content: item.markdown, latex_content: item.latex, mathml_content: item.mathml, - mathml_word_content: item.mathml_mw, + mml: item.mml, rendered_image_path: item.image_blob || null, created_at: item.created_at, }; @@ -287,7 +287,7 @@ function App() { markdown_content: result.markdown, latex_content: result.latex, mathml_content: result.mathml, - mathml_word_content: result.mathml_mw, + mml: result.mml, rendered_image_path: result.image_blob || null, created_at: new Date().toISOString(), }; @@ -344,7 +344,7 @@ function App() { markdown_content: result.markdown, latex_content: result.latex, mathml_content: result.mathml, - mathml_word_content: result.mathml_mw, + mml: result.mml, rendered_image_path: result.image_blob || null, created_at: new Date().toISOString() }; diff --git a/src/components/ExportSidebar.tsx b/src/components/ExportSidebar.tsx index eb6f9c1..8fed94b 100644 --- a/src/components/ExportSidebar.tsx +++ b/src/components/ExportSidebar.tsx @@ -1,12 +1,12 @@ import { useState } from 'react'; import { X, Check, Copy, Download, Code2, Image as ImageIcon, FileText, Loader2, LucideIcon } from 'lucide-react'; import { RecognitionResult } from '../types'; -import { convertMathmlToOmml, wrapOmmlForClipboard } from '../lib/ommlConverter'; import { generateImageFromElement, copyImageToClipboard, downloadImage } from '../lib/imageGenerator'; import { API_BASE_URL } from '../config/env'; import { tokenManager } from '../lib/api'; import { trackExportEvent } from '../lib/analytics'; import { useLanguage } from '../contexts/LanguageContext'; +import toast, { Toaster } from 'react-hot-toast'; interface ExportSidebarProps { isOpen: boolean; @@ -25,87 +25,6 @@ interface ExportOption { extension?: string; } -// Helper function to add mml: prefix to MathML -const addMMLPrefix = (mathml: string): string | null => { - try { - const parser = new DOMParser(); - const xmlDoc = parser.parseFromString(mathml, 'application/xml'); - - // Check for parse errors - const parseError = xmlDoc.getElementsByTagName("parsererror"); - if (parseError.length > 0) { - return null; - } - - // Create new document with mml namespace - const newDoc = document.implementation.createDocument( - 'http://www.w3.org/1998/Math/MathML', - 'mml:math', - null - ); - - const newMathElement = newDoc.documentElement; - - // Copy display attribute if present - const displayAttr = xmlDoc.documentElement.getAttribute('display'); - if (displayAttr) { - newMathElement.setAttribute('display', displayAttr); - } - - // Recursive function to process nodes - const processNode = (node: Node, newParent: Element) => { - if (node.nodeType === Node.ELEMENT_NODE) { - const element = node as Element; - // Create new element with mml: prefix in the target document - const newElement = newDoc.createElementNS( - 'http://www.w3.org/1998/Math/MathML', - 'mml:' + element.localName - ); - - // Copy attributes - for (let i = 0; i < element.attributes.length; i++) { - const attr = element.attributes[i]; - // Skip xmlns attributes as we handle them explicitly - if (attr.name.startsWith('xmlns')) continue; - - newElement.setAttributeNS( - attr.namespaceURI, - attr.name, - attr.value - ); - } - - // Process children - Array.from(element.childNodes).forEach(child => { - processNode(child, newElement); - }); - - newParent.appendChild(newElement); - } else if (node.nodeType === Node.TEXT_NODE) { - newParent.appendChild(newDoc.createTextNode(node.nodeValue || '')); - } - }; - - // Process all children of the root math element - Array.from(xmlDoc.documentElement.childNodes).forEach(child => { - processNode(child, newMathElement); - }); - - // Serialize - const serializer = new XMLSerializer(); - let prefixedMathML = serializer.serializeToString(newDoc); - - // Clean up xmlns - prefixedMathML = prefixedMathML.replace(/ xmlns(:mml)?="[^"]*"/g, ''); - prefixedMathML = prefixedMathML.replace(//, ''); - - return prefixedMathML; - } catch (err) { - console.error('Failed to process MathML:', err); - return null; - } -}; - export default function ExportSidebar({ isOpen, onClose, result }: ExportSidebarProps) { const { t } = useLanguage(); const [copiedId, setCopiedId] = useState(null); @@ -121,14 +40,25 @@ export default function ExportSidebar({ isOpen, onClose, result }: ExportSidebar category: 'Code', getContent: (r) => r.markdown_content }, + { + id: 'latex', + label: 'LaTeX', + category: 'Code', + getContent: (r) => r.latex_content + }, { id: 'latex_inline', label: 'LaTeX (Inline)', category: 'Code', getContent: (r) => { if (!r.latex_content) return null; - // Remove existing \[ \] and wrap with \( \) - const content = r.latex_content.replace(/^\\\[/, '').replace(/\\\]$/, '').trim(); + // Remove existing delimiters like \[ \], \( \), $$, or $ + let content = r.latex_content.trim(); + content = content.replace(/^\\\[/, '').replace(/\\\]$/, ''); + content = content.replace(/^\\\(/, '').replace(/\\\)$/, ''); + content = content.replace(/^\$\$/, '').replace(/\$\$$/, ''); + content = content.replace(/^\$/, '').replace(/\$$/, ''); + content = content.trim(); return `\\(${content}\\)`; } }, @@ -136,7 +66,17 @@ export default function ExportSidebar({ isOpen, onClose, result }: ExportSidebar id: 'latex_display', label: 'LaTeX (Display)', category: 'Code', - getContent: (r) => r.latex_content + getContent: (r) => { + if (!r.latex_content) return null; + // Remove existing delimiters like \[ \], \( \), $$, or $ + let content = r.latex_content.trim(); + content = content.replace(/^\\\[/, '').replace(/\\\]$/, ''); + content = content.replace(/^\\\(/, '').replace(/\\\)$/, ''); + content = content.replace(/^\$\$/, '').replace(/\$\$$/, ''); + content = content.replace(/^\$/, '').replace(/\$$/, ''); + content = content.trim(); + return `\\[${content}\\]`; + } }, { id: 'mathml', @@ -148,13 +88,7 @@ export default function ExportSidebar({ isOpen, onClose, result }: ExportSidebar id: 'mathml_mml', label: 'MathML (MML)', category: 'Code', - getContent: (r) => r.mathml_content ? addMMLPrefix(r.mathml_content) : null - }, - { - id: 'mathml_word', - label: 'Word MathML', - category: 'Code', - getContent: (r) => r.mathml_word_content + getContent: (r) => r.mml }, // Image Category { @@ -278,22 +212,33 @@ export default function ExportSidebar({ isOpen, onClose, result }: ExportSidebar return; } - let content = option.getContent(result); + const content = option.getContent(result); - // Fallback: If Word MathML is missing, try to convert from MathML - if (option.id === 'mathml_word' && !content && result.mathml_content) { - try { - const omml = await convertMathmlToOmml(result.mathml_content); - if (omml) { - content = wrapOmmlForClipboard(omml); - } - } catch (err) { - console.error('Failed to convert MathML to OMML:', err); - } + // Check if content is empty and show toast + if (!content) { + toast.error(t.export.noContent, { + duration: 2000, + position: 'top-center', + style: { + background: '#fff', + color: '#1f2937', + padding: '16px 20px', + borderRadius: '12px', + boxShadow: '0 10px 40px rgba(59, 130, 246, 0.15), 0 2px 8px rgba(59, 130, 246, 0.1)', + border: '1px solid #dbeafe', + fontSize: '14px', + fontWeight: '500', + maxWidth: '900px', + lineHeight: '1.5', + }, + iconTheme: { + primary: '#ef4444', + secondary: '#ffffff', + }, + }); + return; } - if (!content) return; - setExportingId(option.id); try { @@ -321,6 +266,10 @@ export default function ExportSidebar({ isOpen, onClose, result }: ExportSidebar } catch (err) { console.error('Action failed:', err); + toast.error(t.export.failed, { + duration: 3000, + position: 'top-center', + }); } finally { setExportingId(null); } @@ -334,6 +283,41 @@ export default function ExportSidebar({ isOpen, onClose, result }: ExportSidebar return ( <> + {/* Toast Container with custom configuration */} + + {/* Backdrop */} {isOpen && (
= ({ chil // 如果用户已经手动选择过语言，则不进行IP检测 if (saved === 'en' || saved === 'zh') { + updatePageMeta(saved); // Update meta tags on initial load return; } @@ -32,18 +34,21 @@ export const LanguageProvider: React.FC<{ children: React.ReactNode }> = ({ chil detectLanguageByIP() .then((detectedLang) => { setLanguageState(detectedLang); + updatePageMeta(detectedLang); // Update meta tags after detection // 注意：这里不保存到 localStorage，让用户首次访问时使用IP检测的结果 // 如果用户手动切换语言，才会保存到 localStorage }) .catch((error) => { // IP检测失败时，保持使用浏览器语言检测的结果 console.warn('Failed to detect language by IP:', error); + updatePageMeta(language); // Update with fallback language }); }, []); // 仅在组件挂载时执行一次 const setLanguage = (lang: Language) => { setLanguageState(lang); localStorage.setItem('language', lang); + updatePageMeta(lang); // Update page metadata when language changes }; const t = translations[language]; diff --git a/src/lib/imageGenerator.ts b/src/lib/imageGenerator.ts index ea61fcc..b5ee543 100644 --- a/src/lib/imageGenerator.ts +++ b/src/lib/imageGenerator.ts @@ -63,54 +63,6 @@ function renderLatexToHtml(latex: string, fontSize: number): string { } } -/** - * Renders Markdown with LaTeX to HTML - * For complex Markdown, we extract and render math blocks separately - */ -function renderMarkdownToHtml(markdown: string, fontSize: number): string { - // Simple approach: extract LaTeX blocks and render them - // For full Markdown support, you'd use a Markdown parser - - let html = markdown; - - // Replace display math $$ ... $$ - html = html.replace(/\$\$([\s\S]*?)\$\$/g, (_, latex) => { - try { - return `
${katex.renderToString(latex.trim(), { - throwOnError: false, - displayMode: true, - output: 'html', - strict: false, - })}
`; - } catch { - return `
Error: ${latex}
`; - } - }); - - // Replace inline math $ ... $ - html = html.replace(/\$([^$\n]+)\$/g, (_, latex) => { - try { - return katex.renderToString(latex.trim(), { - throwOnError: false, - displayMode: false, - output: 'html', - strict: false, - }); - } catch { - return `Error: ${latex}`; - } - }); - - // Basic Markdown: newlines to
- html = html.replace(/\n/g, '
'); - - return ` -
- ${html} -
- `; -} - /** * Waits for all KaTeX fonts to be loaded */ diff --git a/src/lib/mockService.ts b/src/lib/mockService.ts index fe0d0ac..64a4329 100644 --- a/src/lib/mockService.ts +++ b/src/lib/mockService.ts @@ -93,16 +93,35 @@ Where: `, - mathml_word_content: ` - - - -b ± √(b²-4ac) - - - 2a - - -`, + mml: ` + + x + = + + + - + b + ± + + + + b + 2 + + - + 4 + a + c + + + + + 2 + a + + + +`, rendered_image_path: 'https://images.pexels.com/photos/3729557/pexels-photo-3729557.jpeg?auto=compress&cs=tinysrgb&w=800', created_at: new Date().toISOString(), }; @@ -161,7 +180,7 @@ Where: markdown_content: `# Analysis for ${filename}\n\nThis is a mock analysis result generated for the uploaded file.\n\n$$ E = mc^2 $$\n\nDetected content matches widely known physics formulas.`, latex_content: `\\documentclass{article}\n\\begin{document}\nSection{${filename}}\n\n\\[ E = mc^2 \\]\n\n\\end{document}`, mathml_content: `E=mc2`, - mathml_word_content: `E=mc^2`, + mml: `E=mc2`, rendered_image_path: 'https://images.pexels.com/photos/3729557/pexels-photo-3729557.jpeg?auto=compress&cs=tinysrgb&w=800', // Placeholder created_at: new Date().toISOString(), }; diff --git a/src/lib/seoHelper.ts b/src/lib/seoHelper.ts new file mode 100644 index 0000000..65392a4 --- /dev/null +++ b/src/lib/seoHelper.ts @@ -0,0 +1,80 @@ +import { Language } from './translations'; + +interface SEOContent { + title: string; + description: string; + keywords: string; +} + +const seoContent: Record = { + zh: { + title: '⚡️ TexPixel - 公式识别工具', + description: '在线公式识别工具，支持印刷体和手写体数学公式识别，快速准确地将图片中的数学公式转换为可编辑文本。', + keywords: '公式识别,数学公式,OCR,手写公式识别,印刷体识别,AI识别,数学工具,免费,混合文字识别,texpixel,TexPixel', + }, + en: { + title: '⚡️ TexPixel - Formula Recognition Tool', + description: 'Online formula recognition tool supporting printed and handwritten math formulas. Convert images to LaTeX, MathML, and Markdown quickly and accurately.', + keywords: 'formula recognition,math formula,OCR,handwriting recognition,latex,mathml,markdown,AI recognition,math tool,free,texpixel,TexPixel,document recognition', + }, +}; + +/** + * Update document metadata based on current language + */ +export function updatePageMeta(language: Language): void { + const content = seoContent[language]; + + // Update title + document.title = content.title; + + // Update HTML lang attribute + document.documentElement.lang = language === 'zh' ? 'zh-CN' : 'en'; + + // Update meta description + const metaDescription = document.querySelector('meta[name="description"]'); + if (metaDescription) { + metaDescription.setAttribute('content', content.description); + } + + // Update meta keywords + const metaKeywords = document.querySelector('meta[name="keywords"]'); + if (metaKeywords) { + metaKeywords.setAttribute('content', content.keywords); + } + + // Update Open Graph meta tags + const ogTitle = document.querySelector('meta[property="og:title"]'); + if (ogTitle) { + ogTitle.setAttribute('content', content.title); + } + + const ogDescription = document.querySelector('meta[property="og:description"]'); + if (ogDescription) { + ogDescription.setAttribute('content', content.description); + } + + // Update Twitter Card meta tags + const twitterTitle = document.querySelector('meta[name="twitter:title"]'); + if (twitterTitle) { + twitterTitle.setAttribute('content', content.title); + } + + const twitterDescription = document.querySelector('meta[name="twitter:description"]'); + if (twitterDescription) { + twitterDescription.setAttribute('content', content.description); + } + + // Update og:locale + const ogLocale = document.querySelector('meta[property="og:locale"]'); + if (ogLocale) { + ogLocale.setAttribute('content', language === 'zh' ? 'zh_CN' : 'en_US'); + } +} + +/** + * Get SEO content for a specific language + */ +export function getSEOContent(language: Language): SEOContent { + return seoContent[language]; +} diff --git a/src/lib/supabase.ts b/src/lib/supabase.ts index 2ee501c..44f8f21 100644 --- a/src/lib/supabase.ts +++ b/src/lib/supabase.ts @@ -61,7 +61,7 @@ export type Database = { markdown_content: string | null; latex_content: string | null; mathml_content: string | null; - mathml_word_content: string | null; + mml: string | null; rendered_image_path: string | null; created_at: string; }; @@ -71,7 +71,7 @@ export type Database = { markdown_content?: string | null; latex_content?: string | null; mathml_content?: string | null; - mathml_word_content?: string | null; + mml?: string | null; rendered_image_path?: string | null; created_at?: string; }; @@ -81,7 +81,7 @@ export type Database = { markdown_content?: string | null; latex_content?: string | null; mathml_content?: string | null; - mathml_word_content?: string | null; + mml?: string | null; rendered_image_path?: string | null; created_at?: string; }; diff --git a/src/lib/translations.ts b/src/lib/translations.ts index b5564fd..c237125 100644 --- a/src/lib/translations.ts +++ b/src/lib/translations.ts @@ -70,6 +70,8 @@ export const translations = { }, failed: 'Export failed, please try again', imageFailed: 'Failed to generate image', + noContent: 'Mixed text and formulas do not support LaTeX/MathML export. Please download DOCX format instead.', + noContentShort: 'Not supported for mixed content', }, guide: { next: 'Next', @@ -164,6 +166,8 @@ export const translations = { }, failed: '导出失败，请重试', imageFailed: '生成图片失败', + noContent: '混合文字内容不支持 LaTeX/MathML 导出，请下载 DOCX 文件。', + noContentShort: '混合内容不支持', }, guide: { next: '下一步', diff --git a/src/types/api.ts b/src/types/api.ts index 62e7b73..13f7db3 100644 --- a/src/types/api.ts +++ b/src/types/api.ts @@ -79,7 +79,7 @@ export interface RecognitionResultData { latex: string; markdown: string; mathml: string; - mathml_mw: string; // MathML for Word + mml: string; // MathML with mml: prefix image_blob: string; // Base64 or URL? assuming string content docx_url: string; pdf_url: string; @@ -96,7 +96,7 @@ export interface TaskHistoryItem { latex: string; markdown: string; mathml: string; - mathml_mw: string; + mml: string; image_blob: string; docx_url: string; pdf_url: string; diff --git a/src/types/index.ts b/src/types/index.ts index 1b52522..7a162a6 100644 --- a/src/types/index.ts +++ b/src/types/index.ts @@ -17,7 +17,7 @@ export interface RecognitionResult { markdown_content: string | null; latex_content: string | null; mathml_content: string | null; - mathml_word_content: string | null; + mml: string | null; rendered_image_path: string | null; created_at: string; } @@ -26,7 +26,6 @@ export type ExportFormat = | 'markdown' | 'latex' | 'mathml' - | 'mathml-word' | 'image' | 'docx' | 'pdf'