fix(credit): 解决客户分配功能在页面跳转时的执行时机问题

- 添加 pendingAssignRef 引用跟踪待分配状态
- 重构 useDidShow 钩子中的异步处理逻辑
- 实现从选择业务员页面返回后的延迟分配机制
- 修改 submitAssign 函数支持传入指定客户ID数组
- 更新页面跳转参数传递 token 验证机制
- 添加本地存储缓存选择结果的处理逻辑

src/credit/mp-customer/index.tsx

@@ -110,6 +110,7 @@ const getStepTagType = (code: number | null): any => {
 export default function CreditCompanyPage() {
   const serverPageRef = useRef(1)
   const staffLoadingPromiseRef = useRef<Promise<User[]> | null>(null)
+  const pendingAssignRef = useRef<{ token: string; customerIds: number[] } | null>(null)
   const [list, setList] = useState<CreditMpCustomer[]>([])
   const [hasMore, setHasMore] = useState(true)
   const [loading, setLoading] = useState(false)
@@ -277,9 +278,37 @@ export default function CreditCompanyPage() {
   }, [hasMore, loading, reload])
 
   useDidShow(() => {
-    reload(true).then()
-    // 预加载员工列表，保证“跟进人(realName)”可展示
-    ensureStaffLoaded().then()
+    const run = async () => {
+      // 从“选择业务员页”返回：优先处理分配，避免在隐藏页触发 showModal/接口调用
+      const picked = safeParseJSON<any>(Taro.getStorageSync('credit_pageUserSelected'))
+      const pending = pendingAssignRef.current
+
+      if (pending?.token && picked?.token && String(picked.token) === pending.token) {
+        try {
+          Taro.removeStorageSync('credit_pageUserSelected')
+        } catch (_e) {
+          // ignore
+        }
+
+        const uid = Number(picked?.userId ?? picked?.user?.userId)
+        const name = String(picked?.userName || picked?.realName || picked?.nickname || picked?.username || '').trim()
+        pendingAssignRef.current = null
+        await submitAssign(uid, name, pending.customerIds)
+        return
+      }
+
+      // 若用户取消选择，则保留当前勾选状态，不强制刷新/退出选择模式
+      if (pending) {
+        pendingAssignRef.current = null
+        return
+      }
+
+      await reload(true)
+      // 预加载员工列表，保证“跟进人(realName)”可展示
+      await ensureStaffLoaded()
+    }
+
+    run().then()
   })
 
   const visibleStatusOptions = useMemo(() => {
@@ -369,30 +398,27 @@ export default function CreditCompanyPage() {
       Taro.showToast({ title: '请先勾选客户', icon: 'none' })
       return
     }
+
+    // 记录待分配的客户ID，返回后再执行分配（避免在隐藏页执行）
+    const token = `${Date.now()}_${Math.random().toString(36).slice(2)}`
+    pendingAssignRef.current = { token, customerIds: selectedIds.slice() }
+    try {
+      Taro.removeStorageSync('credit_pageUserSelected')
+    } catch (_e) {
+      // ignore
+    }
     Taro.navigateTo({
-      url: '/credit/pageUser/index?isAdmin=1&title=选择业务员',
-      events: {
-        userSelected: (payload: any) => {
-          const uid = Number(payload?.userId ?? payload?.user?.userId)
-          if (!Number.isFinite(uid) || uid <= 0) return
-          const u = payload?.user as User | undefined
-          const pickedName = String(
-            payload?.realName ||
-              payload?.nickname ||
-              payload?.username ||
-              u?.realName ||
-              u?.nickname ||
-              u?.username ||
-              ''
-          ).trim()
-          submitAssign(uid, pickedName).then()
-        }
-      }
+      url: `/credit/pageUser/index?isAdmin=1&title=选择业务员&token=${encodeURIComponent(token)}`
     })
   }
 
-  const submitAssign = async (userId: number, userName?: string) => {
-    if (!selectedIds.length) {
+  const submitAssign = async (userId: number, userName?: string, customerIds?: number[]) => {
+    const ids = (customerIds && customerIds.length ? customerIds : selectedIds).filter(v => Number.isFinite(v) && v > 0)
+    if (!Number.isFinite(userId) || userId <= 0) {
+      Taro.showToast({ title: '请选择分配对象', icon: 'none' })
+      return
+    }
+    if (!ids.length) {
       Taro.showToast({ title: '请先勾选客户', icon: 'none' })
       return
     }
@@ -402,11 +428,11 @@ export default function CreditCompanyPage() {
       const staffName = String(userName || '').trim() || staffNameMap.get(Number(userId)) || `员工${userId}`
       const confirmRes = await Taro.showModal({
         title: '确认分配',
-        content: `确定将 ${selectedIds.length} 个客户分配给「${staffName}」吗？`
+        content: `确定将 ${ids.length} 个客户分配给「${staffName}」吗？`
       })
       if (!confirmRes.confirm) return
 
-      for (const id of selectedIds) {
+      for (const id of ids) {
         const detail = await getCreditMpCustomer(Number(id))
         await updateCreditMpCustomer({ ...(detail || {}), id, userId } as any)
       }

src/credit/pageUser/index.tsx

@@ -14,6 +14,7 @@ export default function PageUserSelectPage() {
     const n = Number(params?.isAdmin)
     return Number.isFinite(n) ? n : undefined
   }, [params?.isAdmin])
+  const token = useMemo(() => String(params?.token || ''), [params?.token])
 
   const [list, setList] = useState<User[]>([])
   const [page, setPage] = useState(1)
@@ -71,9 +72,18 @@ export default function PageUserSelectPage() {
 
   const onPick = (u: User) => {
     if (!u?.userId) return
+    const userName = String(u.realName || u.nickname || u.username || `用户${u.userId}`)
+    const payload = { token, userId: u.userId, userName, user: u }
+    try {
+      Taro.setStorageSync('credit_pageUserSelected', JSON.stringify(payload))
+    } catch (_e) {
+      // ignore
+    }
+
     const pageInst: any = Taro.getCurrentInstance().page
     const eventChannel = pageInst?.getOpenerEventChannel?.()
-    eventChannel?.emit('userSelected', { userId: u.userId, user: u })
+    eventChannel?.emit('userSelected', payload)
+    Taro.eventCenter?.trigger?.('credit:pageUserSelected', payload)
     Taro.navigateBack()
   }