style: 样式修改
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@@ -1,209 +0,0 @@
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/**
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* 分享工具函数
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* 支持移动浏览器原生分享 API 和 WhatsApp 分享
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*/
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interface ShareData {
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title?: string
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text?: string
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url?: string
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files?: File[]
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}
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/**
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* 检查是否支持 Web Share API
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*/
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export function isWebShareSupported(): boolean {
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return typeof navigator !== 'undefined' && 'share' in navigator
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}
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/**
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* 使用 Web Share API 进行分享(移动浏览器原生分享)
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* @param data 分享数据
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*/
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async function shareWithWebAPI(data: ShareData): Promise<void> {
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if (!isWebShareSupported()) {
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throw new Error('Web Share API is not supported')
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}
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try {
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// Web Share API 只支持 title, text, url 和 files
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const shareData: ShareData = {}
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if (data.title) shareData.title = data.title
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if (data.text) shareData.text = data.text
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if (data.url) shareData.url = data.url
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if (data.files && data.files.length > 0) shareData.files = data.files
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await navigator.share(shareData)
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} catch (error: any) {
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// 用户取消分享时,会抛出 AbortError,这是正常情况
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if (error.name !== 'AbortError') {
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console.error('分享失败:', error)
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throw error
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}
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}
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}
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/**
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* 分享到 WhatsApp(回退方案)
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* @param text 分享的文本内容
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* @param url 分享的链接(可选)
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*/
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export function shareToWhatsApp(text: string, url?: string): void {
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const shareText = url ? `${text} ${url}` : text
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const encodedText = encodeURIComponent(shareText)
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const whatsappScheme = `whatsapp://send?text=${encodedText}`
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const whatsappWebUrl = `https://wa.me/?text=${encodedText}`
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const isMobile = typeof navigator !== 'undefined' && /Android|iPhone|iPad|iPod|Mobile/i.test(navigator.userAgent)
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if (typeof window === 'undefined') return
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if (isMobile) {
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// 优先尝试调用已安装的 WhatsApp 应用,失败后回退到 Web 版本
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let didFallback = false
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const fallbackTimer = window.setTimeout(() => {
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didFallback = true
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window.location.href = whatsappWebUrl
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}, 1500)
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try {
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window.location.href = whatsappScheme
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} catch (error) {
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window.clearTimeout(fallbackTimer)
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window.location.href = whatsappWebUrl
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}
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// 某些浏览器会在成功唤起 App 时终止脚本,无需额外处理
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return
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}
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// 桌面端或不支持 scheme 的环境直接打开 WhatsApp Web
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window.open(whatsappWebUrl, '_blank')
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}
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/**
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* 通用分享函数(优先使用 Web Share API,不支持则回退到 WhatsApp)
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* @param options 分享选项
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*/
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export async function share(options: {
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title?: string
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text?: string
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url?: string
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files?: File[]
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fallbackToWhatsApp?: boolean
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}): Promise<void> {
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const { title, text, url, files, fallbackToWhatsApp = true } = options
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// 如果支持 Web Share API,优先使用
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if (isWebShareSupported() && !files) {
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try {
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await shareWithWebAPI({ title, text, url })
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return
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} catch (error) {
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// 如果分享失败且允许回退,则使用 WhatsApp
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if (fallbackToWhatsApp) {
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const shareText = [title, text, url].filter(Boolean).join('\n\n')
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shareToWhatsApp(shareText)
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return
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}
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throw error
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}
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}
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// 如果不支持 Web Share API 或需要分享文件,使用 WhatsApp
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if (fallbackToWhatsApp) {
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const shareText = [title, text, url].filter(Boolean).join('\n\n')
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shareToWhatsApp(shareText)
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} else {
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throw new Error('Web Share API is not supported and fallback is disabled')
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}
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}
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/**
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* 分享当前页面(优先使用原生分享,不支持则回退到 WhatsApp)
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* @param title 分享的标题
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* @param description 分享的描述(可选)
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*/
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export async function shareCurrentPage(title: string, description?: string): Promise<void> {
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const currentUrl = window.location.href
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await share({
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title,
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text: description,
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url: currentUrl,
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fallbackToWhatsApp: true
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})
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}
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/**
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* 分享图片(优先使用原生分享,不支持则回退到 WhatsApp)
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* @param imageUrl 图片链接
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* @param title 分享的标题
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* @param description 分享的描述(可选)
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*/
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export async function shareImage(imageUrl: string, title: string, description?: string): Promise<void> {
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const currentUrl = window.location.href
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const text = description
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? `${description}\n\n查看图片: ${imageUrl}`
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: `查看图片: ${imageUrl}`
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await share({
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title,
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text,
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url: currentUrl,
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fallbackToWhatsApp: true
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})
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}
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/**
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* 分享图片文件(使用 Web Share API,支持直接分享图片文件)
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* @param imageFile 图片文件
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* @param title 分享的标题(可选)
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* @param text 分享的文本(可选)
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*/
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export async function shareImageFile(imageFile: File, title?: string, text?: string): Promise<void> {
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if (!isWebShareSupported()) {
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throw new Error('WEB_SHARE_UNSUPPORTED')
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}
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if (typeof navigator.canShare === 'function' && !navigator.canShare({ files: [imageFile] })) {
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throw new Error('WEB_SHARE_FILE_UNSUPPORTED')
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}
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await shareWithWebAPI({
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title,
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text,
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files: [imageFile]
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})
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}
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/**
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* 将远程图片转换为 File 对象,便于提前缓存后再触发分享
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* @param imageUrl 图片链接
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* @param fileName 文件名(可选)
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*/
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export async function createImageFileFromUrl(imageUrl: string, fileName?: string): Promise<File> {
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const response = await fetch(imageUrl)
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const blob = await response.blob()
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const name = fileName || imageUrl.split('/').pop() || 'share-image.jpg'
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return new File([blob], name, { type: blob.type || 'image/jpeg' })
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}
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/**
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* 分享当前页面到 WhatsApp(兼容旧版本,推荐使用 shareCurrentPage)
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* @param title 分享的标题
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* @param description 分享的描述(可选)
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*/
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export async function shareCurrentPageToWhatsApp(title: string, description?: string): Promise<void> {
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await shareCurrentPage(title, description)
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}
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/**
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* 分享图片到 WhatsApp(兼容旧版本,推荐使用 shareImage)
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* @param imageUrl 图片链接
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* @param title 分享的标题
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* @param description 分享的描述(可选)
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*/
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export async function shareImageToWhatsApp(imageUrl: string, title: string, description?: string): Promise<void> {
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await shareImage(imageUrl, title, description)
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}
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