feat: SSR Feed 搜索面板（关键词/标签/作者/仅标题）

EOF

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/rebuild-spec/02-features.md

@@ -18,7 +18,7 @@
 - [x] Feed 排序：`latest`（最新发帖）/ `reply`（最新回复）/ `hot`（热门）
 - [x] 板块筛选：全部 + 单板块
 - [ ] 列表样式可配：`title` | `excerpt` | `thumbnail`
-- [ ] 搜索：关键词、标签、作者、仅标题（`title_only`）
+- [x] 搜索：关键词、标签、作者、仅标题（`title_only`）— SSR Feed 面板（`/` / `/board/:id`）
 - [ ] 右栏：热门帖、标签云、最新评论、最新用户、友链（可开关排序）
 - [ ] 登录用户右栏/侧边：签到与抽奖入口（入口暂在 `/profile` 钱包区）
 - [ ] 下拉刷新（移动端）

docs/rebuild-spec/06-pages-ux.md

@@ -80,7 +80,7 @@
 
 ### 2.2 中栏
 
-**Feed**：排序条（最新发帖 / 最新回复 / 热门）+ 搜索面板（关键词、标签、作者、仅标题）+ 虚拟列表项（标题、作者、板块徽章、标签、回复数、最后回复、置顶/精华标记）。列表样式随 `feed_list_style`。
+**Feed**：排序条（最新发帖 / 最新回复 / 热门）+ 搜索面板（关键词、标签、作者、仅标题；已迁 SSR GET）+ 列表项（标题、作者、板块徽章、回复数、置顶/精华）。虚拟滚动 / `feed_list_style` 未迁。
 
 **帖子详情**：标题区操作（赞、藏、举报、编辑、管理操作）→ 特殊组件（投票卡 / 悬赏条 / 抽奖卡）→ 正文 `PostContent`（门控块 UI）→ 文章目录 → 作者卡片 → 修订入口 → 评论线程 + 评论框。
 

docs/rebuild-spec/08-gitea-ssr-architecture.md

@@ -90,6 +90,8 @@ web_src/ → public/assets/
 
 公开浏览：`/boards` 板块索引（链到 `/board/:id`）。
 
+Feed 搜索：`/` / `/board/:id` 面板（`keyword` / `tag` / `author` / `title_only`）；排序与分页 URL 保参；顶栏链到 `/#search`。
+
 友链：`/links`（列表、登录申请/取消、Logo 上传）；Admin `/admin/friend-links`（品牌增删、审核、入口开关）。
 
 Admin：`/admin/dashboard`、`/admin/boards`、`/admin/moderation`、`/admin/settings`（品牌/限流/敏感词/SMTP）、`/admin/friend-links`。

public/assets/site.css

@@ -112,6 +112,53 @@ body.j13-body {
 .j13-sort a.is-active,
 .j13-sort a:hover { color: var(--j13-accent); font-weight: 600; }
 
+.j13-search {
+  margin: 0 0 1rem;
+  padding: 0.75rem 0.85rem;
+  border: 1px solid var(--j13-border);
+  border-radius: var(--j13-radius);
+  background: var(--j13-bg);
+  scroll-margin-top: 4rem;
+}
+.j13-search__row {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.65rem 0.75rem;
+  align-items: flex-end;
+}
+.j13-search__field {
+  display: flex;
+  flex-direction: column;
+  gap: 0.2rem;
+  min-width: 8rem;
+  flex: 1 1 8rem;
+}
+.j13-search__label {
+  font-size: 0.75rem;
+  color: var(--j13-muted);
+}
+.j13-search__field input {
+  padding: 0.4rem 0.5rem;
+  border: 1px solid var(--j13-border);
+  border-radius: var(--j13-radius);
+  background: var(--j13-bg);
+  color: inherit;
+  font: inherit;
+}
+.j13-search__check {
+  display: flex;
+  align-items: center;
+  gap: 0.35rem;
+  font-size: 0.875rem;
+  padding-bottom: 0.35rem;
+  white-space: nowrap;
+}
+.j13-search__err {
+  margin: 0.5rem 0 0;
+  color: #b91c1c;
+  font-size: 0.875rem;
+}
+
 .j13-post-list { list-style: none; margin: 0; padding: 0; }
 .j13-post-item {
   padding: 0.85rem 0;

routers/web/home.go

@@ -1,7 +1,10 @@
 package web
 
 import (
+	"errors"
+	"fmt"
 	"net/http"
+	"net/url"
 	"strconv"
 	"strings"
 	"time"
@@ -91,6 +94,12 @@ type HomePageData struct {
 	PageChrome
 	BoardName   string
 	Sort        string
+	Keyword     string
+	Tag         string
+	Author      string
+	TitleOnly   bool
+	HasSearch   bool
+	SearchError string
 	Posts       []PostListItem
 	Page        int
 	PrevPage    int
@@ -111,6 +120,54 @@ type PostListItem struct {
 	CreatedLabel string
 }
 
+// FormAction 搜索表单提交路径（当前 Feed）
+func (d HomePageData) FormAction() string {
+	if d.ActiveBoard > 0 {
+		return fmt.Sprintf("/board/%d", d.ActiveBoard)
+	}
+	return "/"
+}
+
+// SortHref 排序链接，保留搜索参数
+func (d HomePageData) SortHref(sort string) string {
+	return buildFeedURL(d.ActiveBoard, sort, 0, d.Keyword, d.Tag, d.Author, d.TitleOnly)
+}
+
+// PageHref 分页链接，保留搜索与排序
+func (d HomePageData) PageHref(page int) string {
+	return buildFeedURL(d.ActiveBoard, d.Sort, page, d.Keyword, d.Tag, d.Author, d.TitleOnly)
+}
+
+func buildFeedURL(boardID uint, sort string, page int, keyword, tag, author string, titleOnly bool) string {
+	q := url.Values{}
+	if sort != "" && sort != "latest" {
+		q.Set("sort", sort)
+	}
+	if page > 1 {
+		q.Set("page", strconv.Itoa(page))
+	}
+	if kw := strings.TrimSpace(keyword); kw != "" {
+		q.Set("keyword", kw)
+	}
+	if t := strings.TrimSpace(tag); t != "" {
+		q.Set("tag", t)
+	}
+	if a := strings.TrimSpace(author); a != "" {
+		q.Set("author", a)
+	}
+	if titleOnly {
+		q.Set("title_only", "1")
+	}
+	path := "/"
+	if boardID > 0 {
+		path = fmt.Sprintf("/board/%d", boardID)
+	}
+	if enc := q.Encode(); enc != "" {
+		return path + "?" + enc
+	}
+	return path
+}
+
 // Home 首页 / 板块
 func (d Deps) Home(c *gin.Context) {
 	ctx := d.ctx(c)
@@ -120,6 +177,11 @@ func (d Deps) Home(c *gin.Context) {
 		page = 1
 	}
 	size := d.Settings.PageSizeDefault()
+	keyword := strings.TrimSpace(c.Query("keyword"))
+	tag := strings.TrimSpace(c.Query("tag"))
+	author := strings.TrimSpace(c.Query("author"))
+	titleOnly := c.Query("title_only") == "1" || strings.EqualFold(c.Query("title_only"), "true")
+	hasSearch := keyword != "" || tag != "" || author != ""
 
 	var boardID uint
 	var boardName string
@@ -142,47 +204,77 @@ func (d Deps) Home(c *gin.Context) {
 		chrome.Title = boardName + " · " + chrome.SiteName
 	}
 
+	data := HomePageData{
+		PageChrome: chrome,
+		BoardName:  boardName,
+		Sort:       sort,
+		Keyword:    keyword,
+		Tag:        tag,
+		Author:     author,
+		TitleOnly:  titleOnly,
+		HasSearch:  hasSearch,
+		Page:       page,
+		PrevPage:   page - 1,
+		NextPage:   page + 1,
+		HasPrev:    page > 1,
+	}
+
+	listKW := keyword
+	if keyword != "" {
+		kw, err := d.Settings.NormalizeSearchKeyword(keyword)
+		if err != nil {
+			data.SearchError = err.Error()
+			data.Posts = []PostListItem{}
+			ctx.HTML(http.StatusOK, "home", data)
+			return
+		}
+		listKW = kw
+		data.Keyword = kw
+	}
+
 	items, total, err := d.Post.ListItems(services.PostListQuery{
 		BoardID:       boardID,
 		Page:          page,
 		Size:          size,
 		Sort:          sort,
+		Keyword:       listKW,
+		Tag:           tag,
+		Author:        author,
+		TitleOnly:     titleOnly,
 		ViewerID:      ctx.UserID(),
 		ViewerIsAdmin: ctx.IsAdmin(),
 	})
 	if err != nil {
+		if errors.Is(err, services.ErrSearchKeywordTooShort) || errors.Is(err, services.ErrSearchKeywordTooLong) {
+			data.SearchError = err.Error()
+			data.Posts = []PostListItem{}
+			ctx.HTML(http.StatusOK, "home", data)
+			return
+		}
 		c.String(http.StatusInternalServerError, "加载帖子失败")
 		return
 	}
 
 	posts := make([]PostListItem, 0, len(items))
 	for _, it := range items {
-		author := strings.TrimSpace(it.User.Nickname)
+		authorName := strings.TrimSpace(it.User.Nickname)
-		if author == "" {
+		if authorName == "" {
-			author = it.User.Username
+			authorName = it.User.Username
 		}
 		bname := ""
 		if it.Board.ID > 0 {
 			bname = it.Board.Name
 		}
 		posts = append(posts, PostListItem{
-			ID: it.ID, Title: it.Title, AuthorName: author, BoardName: bname,
+			ID: it.ID, Title: it.Title, AuthorName: authorName, BoardName: bname,
 			Pinned: it.Pinned, Featured: it.Featured, CommentCount: it.CommentCount,
 			CreatedLabel: it.CreatedAt.Local().Format("2006-01-02 15:04"),
 		})
 	}
 
-	ctx.HTML(http.StatusOK, "home", HomePageData{
+	data.Posts = posts
-		PageChrome: chrome,
+	data.HasMore = int64(page*size) < total
-		BoardName:  boardName,
+	ctx.HTML(http.StatusOK, "home", data)
-		Sort:       sort,
-		Posts:      posts,
-		Page:       page,
-		PrevPage:   page - 1,
-		NextPage:   page + 1,
-		HasPrev:    page > 1,
-		HasMore:    int64(page*size) < total,
-	})
 }
 
 func normalizeSort(s string) string {

templates/base/navbar.tmpl

@@ -9,6 +9,7 @@
         </span>
       </a>
       <nav class="j13-nav">
+        <a href="/#search">搜索</a>
         <a href="/boards">板块</a>
         {{if .ShowFriendLinksNav}}<a href="/links">友链</a>{{end}}
         {{if .LoggedIn}}

templates/home/feed.tmpl

@@ -3,13 +3,36 @@
   <header class="j13-feed__header">
     <h1 class="j13-feed__title">{{if .BoardName}}{{.BoardName}}{{else}}全部帖子{{end}}</h1>
     <div class="j13-sort" role="navigation" aria-label="排序">
-      <a class="{{if eq .Sort "latest"}}is-active{{end}}" href="{{sortURL .ActiveBoard "latest"}}">最新发帖</a>
+      <a class="{{if eq .Sort "latest"}}is-active{{end}}" href="{{.SortHref "latest"}}">最新发帖</a>
-      <a class="{{if eq .Sort "reply"}}is-active{{end}}" href="{{sortURL .ActiveBoard "reply"}}">最新回复</a>
+      <a class="{{if eq .Sort "reply"}}is-active{{end}}" href="{{.SortHref "reply"}}">最新回复</a>
-      <a class="{{if eq .Sort "hot"}}is-active{{end}}" href="{{sortURL .ActiveBoard "hot"}}">热门讨论</a>
+      <a class="{{if eq .Sort "hot"}}is-active{{end}}" href="{{.SortHref "hot"}}">热门讨论</a>
     </div>
   </header>
+  <form id="search" class="j13-search" method="get" action="{{.FormAction}}" role="search">
+    {{if and .Sort (ne .Sort "latest")}}<input type="hidden" name="sort" value="{{.Sort}}"/>{{end}}
+    <div class="j13-search__row">
+      <label class="j13-search__field">
+        <span class="j13-search__label">关键词</span>
+        <input type="search" name="keyword" value="{{.Keyword}}" placeholder="标题或正文" autocomplete="off"/>
+      </label>
+      <label class="j13-search__field">
+        <span class="j13-search__label">标签</span>
+        <input type="text" name="tag" value="{{.Tag}}" placeholder="整枚标签" autocomplete="off"/>
+      </label>
+      <label class="j13-search__field">
+        <span class="j13-search__label">作者</span>
+        <input type="text" name="author" value="{{.Author}}" placeholder="用户名或昵称" autocomplete="off"/>
+      </label>
+      <label class="j13-search__check">
+        <input type="checkbox" name="title_only" value="1"{{if .TitleOnly}} checked{{end}}/>
+        仅标题
+      </label>
+      <button type="submit" class="j13-btn">搜索</button>
+    </div>
+    {{if .SearchError}}<p class="j13-search__err" role="alert">{{.SearchError}}</p>{{end}}
+  </form>
   {{if not .Posts}}
-  <p class="j13-empty">暂无帖子。</p>
+  <p class="j13-empty">{{if .SearchError}}请调整搜索条件后重试。{{else if .HasSearch}}未找到匹配帖子。{{else}}暂无帖子。{{end}}</p>
   {{else}}
   <ul class="j13-post-list">
     {{range .Posts}}
@@ -29,9 +52,9 @@
   {{end}}
   {{if or .HasPrev .HasMore}}
   <nav class="j13-pager">
-    {{if .HasPrev}}<a href="{{pageURL .ActiveBoard .Sort .PrevPage}}">上一页</a>{{end}}
+    {{if .HasPrev}}<a href="{{.PageHref .PrevPage}}">上一页</a>{{end}}
     <span>第 {{.Page}} 页</span>
-    {{if .HasMore}}<a href="{{pageURL .ActiveBoard .Sort .NextPage}}">下一页</a>{{end}}
+    {{if .HasMore}}<a href="{{.PageHref .NextPage}}">下一页</a>{{end}}
   </nav>
   {{end}}
 </section>

web_src/css/site.css

@@ -112,6 +112,53 @@ body.j13-body {
 .j13-sort a.is-active,
 .j13-sort a:hover { color: var(--j13-accent); font-weight: 600; }
 
+.j13-search {
+  margin: 0 0 1rem;
+  padding: 0.75rem 0.85rem;
+  border: 1px solid var(--j13-border);
+  border-radius: var(--j13-radius);
+  background: var(--j13-bg);
+  scroll-margin-top: 4rem;
+}
+.j13-search__row {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.65rem 0.75rem;
+  align-items: flex-end;
+}
+.j13-search__field {
+  display: flex;
+  flex-direction: column;
+  gap: 0.2rem;
+  min-width: 8rem;
+  flex: 1 1 8rem;
+}
+.j13-search__label {
+  font-size: 0.75rem;
+  color: var(--j13-muted);
+}
+.j13-search__field input {
+  padding: 0.4rem 0.5rem;
+  border: 1px solid var(--j13-border);
+  border-radius: var(--j13-radius);
+  background: var(--j13-bg);
+  color: inherit;
+  font: inherit;
+}
+.j13-search__check {
+  display: flex;
+  align-items: center;
+  gap: 0.35rem;
+  font-size: 0.875rem;
+  padding-bottom: 0.35rem;
+  white-space: nowrap;
+}
+.j13-search__err {
+  margin: 0.5rem 0 0;
+  color: #b91c1c;
+  font-size: 0.875rem;
+}
+
 .j13-post-list { list-style: none; margin: 0; padding: 0; }
 .j13-post-item {
   padding: 0.85rem 0;