首次提交：姜十三论坛

后端 Go+Gin：认证/CSRF/限流、板块、帖子、评论、点赞、通知、用户资料、置顶推荐；前端 Next.js 16：发帖/编辑/删除、搜索、分页、点赞、通知中心、设置；基础设施 docker-compose 与配置模板；添加 .gitignore 与专有许可证（保留所有权利）

backend/handler/user.go

@@ -0,0 +1,96 @@
+package handler
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/freefire/jiang13-bbs/middleware"
+	"github.com/gin-gonic/gin"
+)
+
+// UserProfile 获取用户资料：基本信息 + 统计 + 发帖列表（分页）
+func (h *Handlers) UserProfile(c *gin.Context) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "无效的用户 ID"})
+		return
+	}
+
+	user, err := h.Auth.GetUserByID(uint(id))
+	if err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "用户不存在"})
+		return
+	}
+
+	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
+	size, _ := strconv.Atoi(c.DefaultQuery("size", "20"))
+
+	posts, postsTotal, err := h.Post.ListByUser(user.ID, page, size)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	// 填充点赞状态（仅登录用户）
+	if claims := middleware.CurrentUser(c); claims != nil {
+		ids := make([]uint, 0, len(posts))
+		for _, p := range posts {
+			ids = append(ids, p.ID)
+		}
+		likedMap := h.Like.BatchHasLiked(ids, claims.ID)
+		for i := range posts {
+			posts[i].Liked = likedMap[posts[i].ID]
+		}
+	}
+
+	postCount, _ := h.Post.CountByUser(user.ID)
+	commentCount, _ := h.Comment.CountByUser(user.ID)
+
+	c.JSON(http.StatusOK, gin.H{
+		"user": gin.H{
+			"id":         user.ID,
+			"username":   user.Username,
+			"nickname":   user.Nickname,
+			"avatar":     user.Avatar,
+			"role":       user.Role,
+			"created_at": user.CreatedAt,
+		},
+		"stats": gin.H{
+			"post_count":    postCount,
+			"comment_count": commentCount,
+		},
+		"posts":       posts,
+		"posts_total": postsTotal,
+		"page":        page,
+		"size":        size,
+	})
+}
+
+// UserComments 获取用户发表的评论列表（分页，含帖子标题）
+func (h *Handlers) UserComments(c *gin.Context) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "无效的用户 ID"})
+		return
+	}
+	// 校验用户存在
+	if _, err := h.Auth.GetUserByID(uint(id)); err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "用户不存在"})
+		return
+	}
+
+	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
+	size, _ := strconv.Atoi(c.DefaultQuery("size", "20"))
+
+	comments, total, err := h.Comment.ListByUser(uint(id), page, size)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"comments": comments,
+		"total":    total,
+		"page":     page,
+		"size":     size,
+	})
+}