From 4951c3202d45c9563ffc726077b2d4ed8f80b7cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B5=B5=E5=BF=A0=E6=9E=97?= <170083662@qq.com>
Date: Mon, 9 Feb 2026 22:00:34 +0800
Subject: [PATCH] =?UTF-8?q?feat(dealer):=20=E6=9B=B4=E6=96=B0=E7=BB=8F?=
 =?UTF-8?q?=E9=94=80=E5=95=86=E7=94=B3=E8=AF=B7=E5=8A=9F=E8=83=BD?=
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- 将页面标题从"注册会员"改为"成为经销商"
- 在经销商注册成功后触发dealerUser:changed事件以通知其他页面刷新
- 优化API响应处理，当用户未注册为分销商时返回null而不是抛出错误
- 使用useDidShow钩子在页面显示时自动刷新经销商数据
- 添加事件监听器支持通过dealerUser:changed事件主动触发数据刷新
---
 src/api/shop/shopDealerUser/index.ts |  5 +++--
 src/dealer/apply/add.config.ts       |  2 +-
 src/dealer/apply/add.tsx             |  3 +++
 src/hooks/useDealerUser.ts           | 19 ++++++++++++++++++-
 4 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/src/api/shop/shopDealerUser/index.ts b/src/api/shop/shopDealerUser/index.ts
index 0f673a1..df82b27 100644
--- a/src/api/shop/shopDealerUser/index.ts
+++ b/src/api/shop/shopDealerUser/index.ts
@@ -95,8 +95,9 @@ export async function getShopDealerUser(userId: number) {
   const res = await request.get<ApiResult<ShopDealerUser>>(
     '/shop/shop-dealer-user/' + userId
   );
-  if (res.code === 0 && res.data) {
-    return res.data;
+  if (res.code === 0) {
+    // 未注册为分销商时，后端可能返回 data=null，这里用 null 表示“没有分销商信息”
+    return res.data || null;
   }
   return Promise.reject(new Error(res.message));
 }
diff --git a/src/dealer/apply/add.config.ts b/src/dealer/apply/add.config.ts
index 72f9e1e..f165569 100644
--- a/src/dealer/apply/add.config.ts
+++ b/src/dealer/apply/add.config.ts
@@ -1,4 +1,4 @@
 export default definePageConfig({
-  navigationBarTitleText: '注册会员',
+  navigationBarTitleText: '成为经销商',
   navigationBarTextStyle: 'black'
 })
diff --git a/src/dealer/apply/add.tsx b/src/dealer/apply/add.tsx
index 24dcfc3..81365ee 100644
--- a/src/dealer/apply/add.tsx
+++ b/src/dealer/apply/add.tsx
@@ -212,6 +212,9 @@ const AddUserAddress = () => {
         refereeId: Number(values.refereeId) || Number(FormData?.refereeId)
       })
 
+      // 通知其他页面（如“我的”页、分销中心页）刷新经销商信息
+      Taro.eventCenter.trigger('dealerUser:changed')
+
       // 角色为空时这里会导致“注册成功但没有角色”，这里做一次兜底写入默认 user 角色
       try {
         // 1) 先尝试通过 roleCode=user 查询角色ID（避免硬编码）
diff --git a/src/hooks/useDealerUser.ts b/src/hooks/useDealerUser.ts
index 172c722..3195eb6 100644
--- a/src/hooks/useDealerUser.ts
+++ b/src/hooks/useDealerUser.ts
@@ -1,5 +1,5 @@
 import {useState, useEffect, useCallback} from 'react'
-import Taro from '@tarojs/taro'
+import Taro, { useDidShow } from '@tarojs/taro'
 import {getShopDealerUser} from '@/api/shop/shopDealerUser'
 import type {ShopDealerUser} from '@/api/shop/shopDealerUser/model'
 
@@ -76,6 +76,23 @@ export const useDealerUser = (): UseDealerUserReturn => {
     }
   }, [fetchDealerData, hasUser])
 
+  // 页面返回/切换到前台时刷新一次，避免“注册成为经销商后，页面不更新”
+  useDidShow(() => {
+    fetchDealerData()
+  })
+
+  // 允许业务侧通过事件主动触发刷新（例如：注册成功后触发）
+  useEffect(() => {
+    const handler = () => {
+      fetchDealerData()
+    }
+    // 事件名尽量语义化；后续可在注册成功处 trigger
+    Taro.eventCenter.on('dealerUser:changed', handler)
+    return () => {
+      Taro.eventCenter.off('dealerUser:changed', handler)
+    }
+  }, [fetchDealerData])
+
   return {
     dealerUser,
     loading,