275 lines
7.1 KiB
Vue
275 lines
7.1 KiB
Vue
<template>
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<view class="mp-wv-page">
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<view v-if="errorText" class="mp-wv-error">
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<text class="mp-wv-error__title">{{ errorText }}</text>
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</view>
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<!-- 等 onReady 后再挂载 web-view，避免跳转尚未完成时嵌入 H5 导致 navigateTo:fail timeout -->
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<web-view v-else-if="src" :src="src" @message="onWebViewMessage" />
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<view v-else class="mp-wv-error">加载中…</view>
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</view>
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</template>
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<script setup>
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import { onMounted, onUnmounted, ref } from 'vue'
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import { onLoad, onReady, onShow } from '@dcloudio/uni-app'
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import { AUTH_API, PAGE_PATHS, resolveApiBase, resolveWebOrigin } from '@/config/api'
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import { request, parseResponseJson } from '@/utils/request'
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import { useUserStore } from '@/stores/user'
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/** 热更新错配时：本地签发 ticket、生产打开 H5 → 401 */
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function assertTicketEnvAligned() {
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const api = resolveApiBase()
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const web = resolveWebOrigin()
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const apiLocal = /127\.0\.0\.1|localhost/.test(api)
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const webLocal = /127\.0\.0\.1|localhost/.test(web)
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const apiProd = /shanxiachem\.com/.test(api)
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const webProd = /shanxiachem\.com/.test(web)
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if (apiLocal !== webLocal || apiProd !== webProd) {
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throw new Error(
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`环境错配：API=${api}，Web=${web}。请停止后重新「运行到小程序」完整编译，不要只靠热更新。`
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)
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}
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}
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const MP_WEBVIEW_GO_WORKBENCH = 'MP_WEBVIEW_GO_WORKBENCH'
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const MP_WEBVIEW_COPY_TEXT = 'MP_WEBVIEW_COPY_TEXT'
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const src = ref('')
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const errorText = ref('')
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const pageReady = ref(false)
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/** ticket 就绪后的完整 H5 URL，等 pageReady 再赋给 src */
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let pendingSrc = ''
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function normalizePath(raw) {
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let path = String(raw || '').trim()
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for (let i = 0; i < 3; i++) {
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if (!path || path.startsWith('/m/')) break
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try {
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const next = decodeURIComponent(path)
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if (next === path) break
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path = next.trim()
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} catch {
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break
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}
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}
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return path
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}
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function isAllowedPath(path) {
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return typeof path === 'string' && path.startsWith('/m/')
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}
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function goWorkbench() {
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uni.reLaunch({ url: PAGE_PATHS.workbench })
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}
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function tryMountWebView() {
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if (!pageReady.value || !pendingSrc || errorText.value) return
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src.value = pendingSrc
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pendingSrc = ''
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}
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function fallbackExecCommandCopy(text) {
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// #ifdef H5
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try {
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if (typeof document === 'undefined') return false
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const textarea = document.createElement('textarea')
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textarea.value = text
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textarea.setAttribute('readonly', '')
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textarea.style.position = 'fixed'
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textarea.style.left = '-9999px'
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document.body.appendChild(textarea)
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textarea.select()
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const ok = document.execCommand('copy')
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document.body.removeChild(textarea)
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return ok
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} catch {
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return false
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}
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// #endif
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// #ifndef H5
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return false
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// #endif
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}
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async function copyTextOnHost(text) {
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const value = String(text || '')
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if (!value) return false
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// #ifdef H5
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try {
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if (typeof navigator !== 'undefined' && navigator.clipboard?.writeText) {
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await navigator.clipboard.writeText(value)
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return true
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}
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} catch {
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/* fall through */
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}
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if (fallbackExecCommandCopy(value)) {
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return true
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}
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// #endif
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return await new Promise((resolve) => {
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uni.setClipboardData({
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data: value,
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success: () => resolve(true),
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fail: () => resolve(false)
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})
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})
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}
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function handleHostPayload(data) {
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if (!data || typeof data !== 'object') return
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if (data.type === MP_WEBVIEW_GO_WORKBENCH) {
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goWorkbench()
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return
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}
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if (data.type === MP_WEBVIEW_COPY_TEXT) {
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void copyTextOnHost(data.text)
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}
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}
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function onWebViewMessage(event) {
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const list = event && event.detail && event.detail.data
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if (!Array.isArray(list)) return
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for (let i = list.length - 1; i >= 0; i--) {
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handleHostPayload(list[i])
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}
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}
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function onHostMessage(event) {
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handleHostPayload(event && event.data)
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}
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async function fetchMpWebviewTicket(maxAttempts = 3) {
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let lastMessage = '无法打开内嵌页'
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for (let attempt = 1; attempt <= maxAttempts; attempt++) {
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try {
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const res = await request({
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url: AUTH_API.MP_WEBVIEW_TICKET,
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method: 'POST'
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})
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const result = parseResponseJson(res)
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const code = result && result.code
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const message = (result && result.message) || ''
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const ticket = code === 200 ? result.data?.ticket : ''
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if (ticket) return ticket
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lastMessage = message || lastMessage
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if (Number(code) === 503 && attempt < maxAttempts) {
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await new Promise((r) => setTimeout(r, 300 * attempt))
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continue
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}
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break
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} catch (error) {
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const errMsg = (error && error.message) || String(error)
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lastMessage = errMsg || lastMessage
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if (/timeout|fail|网络/i.test(String(lastMessage)) && attempt < maxAttempts) {
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await new Promise((r) => setTimeout(r, 300 * attempt))
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continue
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}
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throw error
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}
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}
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throw new Error(lastMessage)
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}
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async function bootstrapWebView(path) {
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const userStore = useUserStore()
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userStore.checkLoginStatus()
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if (!userStore.isLoggedIn) {
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uni.reLaunch({ url: PAGE_PATHS.login })
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return
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}
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try {
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assertTicketEnvAligned()
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const ticket = await fetchMpWebviewTicket()
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const origin = String(resolveWebOrigin() || '').replace(/\/$/, '')
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const returnOrigin =
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typeof window !== 'undefined' && window.location && window.location.origin
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? window.location.origin
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: ''
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const qsParts = [`mpTicket=${encodeURIComponent(ticket)}`]
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if (returnOrigin) {
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qsParts.push(`mpReturnOrigin=${encodeURIComponent(returnOrigin)}`)
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}
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const qs = qsParts.join('&')
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pendingSrc = `${origin}/?${qs}#${path}?${qs}`
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tryMountWebView()
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} catch (error) {
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const msg = (error && error.message) || '无法打开内嵌页'
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errorText.value = msg
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uni.showToast({ title: msg, icon: 'none', duration: 3500 })
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}
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}
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onLoad((query) => {
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const path = normalizePath(query?.path)
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if (!isAllowedPath(path)) {
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errorText.value = '无效地址'
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uni.showToast({ title: '无效地址', icon: 'none' })
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setTimeout(() => {
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goWorkbench()
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}, 1200)
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return
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}
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void bootstrapWebView(path)
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})
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onReady(() => {
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pageReady.value = true
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tryMountWebView()
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})
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onShow(() => {
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// #ifdef MP-WEIXIN
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try {
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if (typeof uni.hideHomeButton === 'function') {
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uni.hideHomeButton({})
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}
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// 中间标题留空，只留绿底与胶囊，和下方 H5 头视觉一体
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uni.setNavigationBarTitle({ title: '\u200B' })
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uni.setNavigationBarColor({
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frontColor: '#ffffff',
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backgroundColor: '#087f57'
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})
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} catch {
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/* ignore */
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}
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// #endif
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})
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onMounted(() => {
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// #ifdef H5
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if (typeof window !== 'undefined') {
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window.addEventListener('message', onHostMessage)
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}
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// #endif
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})
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onUnmounted(() => {
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// #ifdef H5
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if (typeof window !== 'undefined') {
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window.removeEventListener('message', onHostMessage)
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}
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// #endif
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})
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</script>
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<style scoped>
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.mp-wv-page {
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min-height: 100vh;
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background: #f5f8f7;
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}
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.mp-wv-error {
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padding: 32px 16px 8px;
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color: #6b7b74;
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font-size: 14px;
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text-align: center;
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}
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.mp-wv-error__title {
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color: #b45309;
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font-size: 15px;
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font-weight: 600;
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}
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</style>
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