ud

src/pages/index/index.tsx

@@ -5,15 +5,15 @@ import './index.scss'
 // xunmeng2,devcon
 
 const LINK_PREFIX = '/p/'
-const DEFAULT_LINK_CODE = 'PJQQ'
 const LANDING_PAGE_URL = '/pages/landing/index'
+const SCENE_STORAGE_KEY = 'qrcodeScene'
 
 function isValidLinkCode (code: string) {
   return Boolean(code) && !/[/?#&=]/.test(code)
 }
 
 function normalizeQrLinkCode (scene?: string) {
-  if (!scene) return DEFAULT_LINK_CODE
+  if (!scene) return ''
 
   try {
     const decodedScene = decodeURIComponent(scene)
@@ -23,10 +23,10 @@ function normalizeQrLinkCode (scene?: string) {
       ? rawCode.slice(LINK_PREFIX.length)
       : rawCode
 
-    return isValidLinkCode(code) ? code : DEFAULT_LINK_CODE
+    return isValidLinkCode(code) ? code : ''
   } catch (error) {
     console.warn('Invalid qrcode scene.', error)
-    return DEFAULT_LINK_CODE
+    return ''
   }
 }
 
@@ -34,9 +34,27 @@ export default function Index () {
   const [url, setUrl] = useState('')
 
   useLoad(async (options) => {
-    const scene = typeof options?.scene === 'string' ? options.scene.trim() : ''
+    const currentScene = typeof options?.scene === 'string' ? options.scene.trim() : ''
+    let scene = currentScene
 
-    if (!scene) {
+    if (currentScene) {
+      try {
+        Taro.setStorageSync(SCENE_STORAGE_KEY, currentScene)
+      } catch (error) {
+        console.warn('Failed to save qrcode scene.', error)
+      }
+    } else {
+      try {
+        const storedScene = Taro.getStorageSync(SCENE_STORAGE_KEY)
+        scene = typeof storedScene === 'string' ? storedScene.trim() : ''
+      } catch (error) {
+        console.warn('Failed to read stored qrcode scene.', error)
+      }
+    }
+
+    const linkCode = normalizeQrLinkCode(scene)
+
+    if (!linkCode) {
       try {
         await Taro.redirectTo({ url: LANDING_PAGE_URL })
       } catch (error) {
@@ -51,7 +69,6 @@ export default function Index () {
     }
 
     const wxCode = await Taro.login()
-    const linkCode = normalizeQrLinkCode(scene)
 
     console.log('Page loaded.', LINK_PREFIX, linkCode, wxCode)
     setUrl(`https://nb.zuom8.cn${LINK_PREFIX}${encodeURIComponent(linkCode)}?mpCode=${encodeURIComponent(wxCode.code)}`)