feat: SSR 评论回复、点赞与私密开关

帖详情支持 reply_to 展示与提交、评论点赞 PRG，以及私密评论选项。

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

docs/rebuild-spec/02-features.md

@@ -99,11 +99,11 @@
 
 ## F. 评论
 
-- [ ] 按帖拉取评论列表（楼层、嵌套父级、引用目标）
+- [x] 按帖拉取评论列表（楼层、引用目标）— SSR 帖详情；扁平列表 + `reply_to` 展示（嵌套树 UI 未做）
-- [ ] 发表评论（登录）；支持 `reply_to`、私密评论
+- [x] 发表评论（登录）；支持 `reply_to`、私密评论 — `POST /post/:id/comments`
 - [ ] 游客评论（公开接口可写，字段 guest_*）
 - [ ] 编辑评论（时限）；删除评论
-- [ ] 评论点赞
+- [x] 评论点赞 — `POST /post/:id/comments/:cid/like`
 - [ ] 评论举报
 - [ ] @ 提及 → 通知
 - [ ] 回复提醒（站内信 + 可选邮件）

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

@@ -26,7 +26,7 @@
 |------|------|-----|
 | `/` | Feed | 已迁 |
 | `/board/:id` | 板块 Feed | 已迁 |
-| `/post/:id` | 帖详情 + 评论/赞/藏 | 已迁 |
+| `/post/:id` | 帖详情 + 评论（回复/赞/私密）/赞/藏 | 已迁 |
 | `/compose` | 发帖（normal；textarea + 图片 + 门控插入） | 已迁 |
 | `/post/:id/edit` | 编辑帖 | 已迁 |
 | `/profile` | 个人中心（资料/密码/头像/积分钱包） | 已迁 |
@@ -142,7 +142,7 @@
 | 投票卡 | 选选项提交；显示百分比；作者可结束 |
 | 悬赏条 | 显示积分与状态；采纳按钮在他人评论上；退款按钮按规则禁用并提示 |
 | 抽奖卡 | 显示参与人数；开奖；中奖名单 |
-| 评论 | 楼层列表、回复、引用、私密开关、@ 用户搜索、点赞、编辑、举报 |
+| 评论 | 楼层列表、`reply_to` 引用、私密开关、点赞 — SSR；@ / 编辑 / 举报未迁 |
 | 修订 | 面板列出历史，可选对比 |
 | 图片 | Lightbox 查看 |
 

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

@@ -81,7 +81,7 @@ web_src/ → public/assets/
 
 ### 已迁路径（摘要）
 
-公开写：`/install`、`/login`、`/logout`、`/register`、`/forgot-password`（发码/重置）、`/compose`（含门控插入）、`/post/:id/edit`、帖详情评论/赞/藏、积分解锁 `POST /post/:id/unlock`。
+公开写：`/install`、`/login`、`/logout`、`/register`、`/forgot-password`（发码/重置）、`/compose`（含门控插入）、`/post/:id/edit`、帖详情评论（reply_to/赞/私密）/赞/藏、评论赞、积分解锁 `POST /post/:id/unlock`。
 
 个人闭环：`/profile`（昵称/签名/密码/头像、积分钱包/签到/抽奖）、`/user/:id`、`/favorites`。
 `POST /profile/checkin`、`POST /profile/lottery`（CSRF + PRG）。

public/assets/site.css

@@ -235,12 +235,23 @@ body.j13-body {
 }
 .j13-comment__meta {
   display: flex;
+  flex-wrap: wrap;
   gap: 0.75rem;
   color: var(--j13-muted);
   font-size: 0.8rem;
   margin-bottom: 0.35rem;
+  align-items: center;
 }
+.j13-comment__reply-to a { color: var(--j13-accent); text-decoration: none; }
+.j13-comment__actions {
+  display: flex;
+  gap: 0.75rem;
+  align-items: center;
+  margin-top: 0.4rem;
+}
+.j13-comment-reply-hint { margin: 0 0 0.5rem; }
 .j13-comment-form textarea { width: 100%; }
+.j13-comment-form .j13-form__row { margin-top: 0.5rem; }
 .j13-muted { color: var(--j13-muted); }
 .j13-install fieldset {
   border: 1px solid var(--j13-border);

public/assets/site.js

@@ -203,3 +203,42 @@ document.documentElement.dataset.j13Ssr = "1";
     }
   });
 })();
+
+// 评论回复：点击「回复」填入 reply_to
+(function () {
+  const form = document.getElementById("comment-form");
+  if (!form) return;
+  const replyInput = document.getElementById("comment-reply-to");
+  const hint = document.getElementById("comment-reply-hint");
+  const clearBtn = document.getElementById("comment-reply-clear");
+  const content = document.getElementById("comment-content");
+  function clearReply() {
+    if (replyInput) replyInput.value = "";
+    if (hint) {
+      hint.hidden = true;
+      hint.textContent = "";
+    }
+    if (clearBtn) clearBtn.hidden = true;
+  }
+  function setReply(id, floor, author) {
+    if (!replyInput) return;
+    replyInput.value = id;
+    if (hint) {
+      hint.hidden = false;
+      hint.textContent = "回复 #" + floor + (author ? " " + author : "");
+    }
+    if (clearBtn) clearBtn.hidden = false;
+    if (content) content.focus();
+    form.scrollIntoView({ behavior: "smooth", block: "nearest" });
+  }
+  document.querySelectorAll(".j13-comment__reply-btn").forEach((btn) => {
+    btn.addEventListener("click", () => {
+      setReply(
+        btn.getAttribute("data-reply-to") || "",
+        btn.getAttribute("data-reply-floor") || "",
+        btn.getAttribute("data-reply-author") || ""
+      );
+    });
+  });
+  if (clearBtn) clearBtn.addEventListener("click", clearReply);
+})();

routers/web/home.go

@@ -20,6 +20,7 @@ func Register(r *gin.Engine, deps Deps, authMW *auth.AuthMiddleware) {
 	g.GET("/post/:id/edit", authMW.RequireAuth(), deps.PostEditGet)
 	g.POST("/post/:id/edit", authMW.RequireAuth(), deps.PostEditPost)
 	g.POST("/post/:id/comments", authMW.RequireAuth(), deps.PostComment)
+	g.POST("/post/:id/comments/:cid/like", authMW.RequireAuth(), deps.PostCommentLike)
 	g.POST("/post/:id/like", authMW.RequireAuth(), deps.PostLike)
 	g.POST("/post/:id/favorite", authMW.RequireAuth(), deps.PostFavorite)
 	g.POST("/post/:id/unlock", authMW.RequireAuth(), deps.PostUnlock)

routers/web/post.go

@@ -40,12 +40,19 @@ type PostPageData struct {
 
 // CommentView 评论
 type CommentView struct {
-	Floor         int
+	ID             uint
-	AuthorName    string
+	Floor          int
-	AuthorID      uint
+	AuthorName     string
-	CreatedLabel  string
+	AuthorID       uint
-	Content       string
+	CreatedLabel   string
-	ContentHidden bool
+	Content        string
+	ContentHidden  bool
+	ReplyToID      uint
+	ReplyToFloor   int
+	ReplyToAuthor  string
+	LikeCount      int
+	Liked          bool
+	IsPrivate      bool
 }
 
 // PostView GET /post/:id
@@ -76,11 +83,27 @@ func (d Deps) PostView(c *gin.Context) {
 		if an == "" {
 			an = cm.User.Username
 		}
-		cv = append(cv, CommentView{
+		view := CommentView{
-			Floor: cm.Floor, AuthorName: an, AuthorID: cm.UserID,
+			ID: cm.ID, Floor: cm.Floor, AuthorName: an, AuthorID: cm.UserID,
 			CreatedLabel: formatTime(cm.CreatedAt),
 			Content: cm.Content, ContentHidden: cm.ContentHidden,
-		})
+			LikeCount: cm.LikeCount, Liked: cm.Liked, IsPrivate: cm.IsPrivate,
+		}
+		if cm.ReplyTarget != nil {
+			view.ReplyToID = cm.ReplyTarget.ID
+			view.ReplyToFloor = cm.ReplyTarget.Floor
+			rn := strings.TrimSpace(cm.ReplyTarget.User.Nickname)
+			if rn == "" {
+				rn = cm.ReplyTarget.User.Username
+			}
+			if rn == "" {
+				rn = cm.ReplyTarget.GuestNick
+			}
+			view.ReplyToAuthor = rn
+		} else if cm.ReplyTo != nil {
+			view.ReplyToID = *cm.ReplyTo
+		}
+		cv = append(cv, view)
 	}
 
 	author := strings.TrimSpace(post.User.Nickname)
@@ -144,16 +167,57 @@ func (d Deps) PostComment(c *gin.Context) {
 		ctx.Redirect(fmt.Sprintf("/post/%d#comments", id))
 		return
 	}
+	var replyTo *uint
+	if raw := strings.TrimSpace(c.PostForm("reply_to")); raw != "" {
+		rid, err := strconv.ParseUint(raw, 10, 64)
+		if err == nil && rid > 0 {
+			v := uint(rid)
+			replyTo = &v
+		}
+	}
+	isPrivate := c.PostForm("is_private") == "1" || c.PostForm("is_private") == "on"
 	safe := "<p>" + html.EscapeString(content) + "</p>"
-	_, err = d.Comment.Create(services.CommentCreateInput{
+	cm, err := d.Comment.Create(services.CommentCreateInput{
 		PostID: id, UserID: ctx.UserID(), Content: safe,
+		ReplyTo: replyTo, IsPrivate: isPrivate,
 	})
 	if err != nil {
 		ctx.SetFlash(err.Error())
 		ctx.Redirect(fmt.Sprintf("/post/%d#comments", id))
 		return
 	}
-	ctx.Redirect(fmt.Sprintf("/post/%d#comments", id))
+	anchor := "#comments"
+	if cm != nil && cm.Floor > 0 {
+		anchor = fmt.Sprintf("#floor-%d", cm.Floor)
+	}
+	ctx.Redirect(fmt.Sprintf("/post/%d%s", id, anchor))
+}
+
+// PostCommentLike 评论点赞切换（PRG）
+func (d Deps) PostCommentLike(c *gin.Context) {
+	ctx := d.ctx(c)
+	if !ctx.CheckCSRF() {
+		ctx.SetFlash("无效请求")
+		ctx.Redirect("/")
+		return
+	}
+	postID, err := parsePostID(c, d)
+	if err != nil {
+		d.render404(ctx)
+		return
+	}
+	cid, err := strconv.ParseUint(c.Param("cid"), 10, 64)
+	if err != nil || cid == 0 {
+		d.render404(ctx)
+		return
+	}
+	cm, err := d.Comment.GetByID(uint(cid))
+	if err != nil || cm.PostID != postID {
+		d.render404(ctx)
+		return
+	}
+	_, _, _ = d.Comment.ToggleLike(ctx.UserID(), uint(cid))
+	ctx.Redirect(fmt.Sprintf("/post/%d#floor-%d", postID, cm.Floor))
 }
 
 // PostUnlock POST /post/:id/unlock — 积分解锁（JSON，供详情页渐进增强）

templates/post/body.tmpl

@@ -35,17 +35,32 @@
   {{else}}
   <ul class="j13-comment-list">
     {{range .Comments}}
-    <li class="j13-comment" id="floor-{{.Floor}}">
+    <li class="j13-comment" id="floor-{{.Floor}}" data-comment-id="{{.ID}}" data-floor="{{.Floor}}" data-author="{{.AuthorName}}">
       <div class="j13-comment__meta">
         <span class="j13-comment__floor">#{{.Floor}}</span>
         {{if .AuthorID}}<a href="/user/{{.AuthorID}}">{{.AuthorName}}</a>{{else}}<span>{{.AuthorName}}</span>{{end}}
         <span>{{.CreatedLabel}}</span>
+        {{if .IsPrivate}}<span class="j13-tag">私密</span>{{end}}
+        {{if .ReplyToFloor}}
+        <span class="j13-comment__reply-to">回复 <a href="#floor-{{.ReplyToFloor}}">#{{.ReplyToFloor}}</a>{{if .ReplyToAuthor}} {{.ReplyToAuthor}}{{end}}</span>
+        {{end}}
       </div>
       {{if .ContentHidden}}
       <p class="j13-muted">（私密评论不可见）</p>
       {{else}}
       <div class="j13-comment__body">{{safeHTML .Content}}</div>
       {{end}}
+      {{if $.LoggedIn}}
+      <div class="j13-comment__actions">
+        <form method="post" action="/post/{{$.PostID}}/comments/{{.ID}}/like" class="j13-inline-form">
+          <input type="hidden" name="_csrf" value="{{$.CSRF}}"/>
+          <button type="submit" class="j13-linkbtn">{{if .Liked}}取消赞{{else}}赞{{end}} ({{.LikeCount}})</button>
+        </form>
+        {{if not $.CommentsLocked}}
+        <button type="button" class="j13-linkbtn j13-comment__reply-btn" data-reply-to="{{.ID}}" data-reply-floor="{{.Floor}}" data-reply-author="{{.AuthorName}}">回复</button>
+        {{end}}
+      </div>
+      {{end}}
     </li>
     {{end}}
   </ul>
@@ -55,11 +70,20 @@
   {{if .CommentsLocked}}
   <p class="j13-muted">评论已锁定。</p>
   {{else}}
-  <form class="j13-comment-form" method="post" action="/post/{{.PostID}}/comments">
+  <form class="j13-comment-form" method="post" action="/post/{{.PostID}}/comments" id="comment-form">
     <input type="hidden" name="_csrf" value="{{.CSRF}}"/>
+    <input type="hidden" name="reply_to" id="comment-reply-to" value=""/>
+    <p class="j13-muted j13-comment-reply-hint" id="comment-reply-hint" hidden></p>
     <label for="comment-content">发表评论</label>
     <textarea id="comment-content" name="content" rows="4" required maxlength="8000"></textarea>
-    <button type="submit">提交</button>
+    <label class="j13-check">
+      <input type="checkbox" name="is_private" value="1"/>
+      私密评论（仅相关可见）
+    </label>
+    <div class="j13-form__row">
+      <button type="submit">提交</button>
+      <button type="button" class="j13-btn-secondary" id="comment-reply-clear" hidden>取消回复</button>
+    </div>
   </form>
   {{end}}
   {{else}}

web_src/css/site.css

@@ -235,12 +235,23 @@ body.j13-body {
 }
 .j13-comment__meta {
   display: flex;
+  flex-wrap: wrap;
   gap: 0.75rem;
   color: var(--j13-muted);
   font-size: 0.8rem;
   margin-bottom: 0.35rem;
+  align-items: center;
 }
+.j13-comment__reply-to a { color: var(--j13-accent); text-decoration: none; }
+.j13-comment__actions {
+  display: flex;
+  gap: 0.75rem;
+  align-items: center;
+  margin-top: 0.4rem;
+}
+.j13-comment-reply-hint { margin: 0 0 0.5rem; }
 .j13-comment-form textarea { width: 100%; }
+.j13-comment-form .j13-form__row { margin-top: 0.5rem; }
 .j13-muted { color: var(--j13-muted); }
 .j13-install fieldset {
   border: 1px solid var(--j13-border);

web_src/js/site.js

@@ -203,3 +203,42 @@ document.documentElement.dataset.j13Ssr = "1";
     }
   });
 })();
+
+// 评论回复：点击「回复」填入 reply_to
+(function () {
+  const form = document.getElementById("comment-form");
+  if (!form) return;
+  const replyInput = document.getElementById("comment-reply-to");
+  const hint = document.getElementById("comment-reply-hint");
+  const clearBtn = document.getElementById("comment-reply-clear");
+  const content = document.getElementById("comment-content");
+  function clearReply() {
+    if (replyInput) replyInput.value = "";
+    if (hint) {
+      hint.hidden = true;
+      hint.textContent = "";
+    }
+    if (clearBtn) clearBtn.hidden = true;
+  }
+  function setReply(id, floor, author) {
+    if (!replyInput) return;
+    replyInput.value = id;
+    if (hint) {
+      hint.hidden = false;
+      hint.textContent = "回复 #" + floor + (author ? " " + author : "");
+    }
+    if (clearBtn) clearBtn.hidden = false;
+    if (content) content.focus();
+    form.scrollIntoView({ behavior: "smooth", block: "nearest" });
+  }
+  document.querySelectorAll(".j13-comment__reply-btn").forEach((btn) => {
+    btn.addEventListener("click", () => {
+      setReply(
+        btn.getAttribute("data-reply-to") || "",
+        btn.getAttribute("data-reply-floor") || "",
+        btn.getAttribute("data-reply-author") || ""
+      );
+    });
+  });
+  if (clearBtn) clearBtn.addEventListener("click", clearReply);
+})();