From 2c5462cd9783b64b566ce45b2af2babd20744488 Mon Sep 17 00:00:00 2001
From: Tim <135014430+nagisa77@users.noreply.github.com>
Date: Sat, 16 Aug 2025 16:19:44 +0800
Subject: [PATCH] feat: persist home tab selection

---
 frontend_nuxt/pages/index.vue | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/frontend_nuxt/pages/index.vue b/frontend_nuxt/pages/index.vue
index bb8eee891..18d9e835c 100644
--- a/frontend_nuxt/pages/index.vue
+++ b/frontend_nuxt/pages/index.vue
@@ -147,9 +147,20 @@ const categoryOptions = ref([])
 const isLoadingMore = ref(false)
 
 const topics = ref(['最新回复', '最新', '排行榜' /*, '热门', '类别'*/])
-const selectedTopic = ref(
-  route.query.view === 'ranking' ? '排行榜' : route.query.view === 'latest' ? '最新' : '最新回复',
-)
+const HOME_TAB_KEY = 'homeTab'
+const routeDefault =
+  route.query.view === 'ranking' ? '排行榜' : route.query.view === 'latest' ? '最新' : null
+const selectedTopic = ref(routeDefault || '最新回复')
+if (import.meta.client) {
+  if (routeDefault) {
+    localStorage.setItem(HOME_TAB_KEY, routeDefault)
+  } else {
+    const stored = localStorage.getItem(HOME_TAB_KEY)
+    if (stored && topics.value.includes(stored)) {
+      selectedTopic.value = stored
+    }
+  }
+}
 const articles = ref([])
 const page = ref(0)
 const pageSize = 10
@@ -340,7 +351,8 @@ watch(
 watch([selectedCategory, selectedTags], () => {
   loadOptions()
 })
-watch(selectedTopic, () => {
+watch(selectedTopic, (val) => {
+  if (import.meta.client) localStorage.setItem(HOME_TAB_KEY, val)
   // 仅当需要额外选项时加载
   loadOptions()
 })