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/notification.go

@@ -0,0 +1,64 @@
+package handler
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/freefire/jiang13-bbs/middleware"
+	"github.com/gin-gonic/gin"
+)
+
+// Notifications 获取当前用户的通知列表（分页）
+func (h *Handlers) Notifications(c *gin.Context) {
+	claims := middleware.CurrentUser(c)
+	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
+	size, _ := strconv.Atoi(c.DefaultQuery("size", "20"))
+
+	list, total, err := h.Notification.List(claims.ID, page, size)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"notifications": list,
+		"total":         total,
+		"page":          page,
+		"size":          size,
+	})
+}
+
+// UnreadCount 获取未读通知数
+func (h *Handlers) UnreadCount(c *gin.Context) {
+	claims := middleware.CurrentUser(c)
+	count, err := h.Notification.UnreadCount(claims.ID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"count": count})
+}
+
+// MarkRead 标记单条通知为已读
+func (h *Handlers) MarkRead(c *gin.Context) {
+	claims := middleware.CurrentUser(c)
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "无效的通知 ID"})
+		return
+	}
+	if err := h.Notification.MarkRead(uint(id), claims.ID); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"message": "已标记为已读"})
+}
+
+// MarkAllRead 标记所有通知为已读
+func (h *Handlers) MarkAllRead(c *gin.Context) {
+	claims := middleware.CurrentUser(c)
+	if err := h.Notification.MarkAllRead(claims.ID); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"message": "已全部标记为已读"})
+}