修复排序问题和初始入口问题

2026-04-12 00:42:51 +08:00
parent a9fc6551ac
commit 7058da47da
6 changed files with 16 additions and 16 deletions
@@ -122,7 +122,7 @@ func (c *urlKeywordsCache) ListAll() []*urlKeywordsEntry {
 	return entries
 }

-// ListPage 返回分页缓存条目（按访问时间从旧到新，支持跳过头部条目）
+// ListPage 返回分页缓存条目（按访问时间从新到旧，最新访问的在前）
 func (c *urlKeywordsCache) ListPage(page, pageSize int) []*urlKeywordsEntry {
 	c.mu.RLock()
 	defer c.mu.RUnlock()
@@ -131,16 +131,16 @@ func (c *urlKeywordsCache) ListPage(page, pageSize int) []*urlKeywordsEntry {
 	if offset >= total {
 		return []*urlKeywordsEntry{}
 	}
-	// 遍历到起始位置
-	elem := c.order.Front()
+	// 从 Back（最新）向前遍历，跳过 offset 个
+	elem := c.order.Back()
 	for i := 0; i < offset && elem != nil; i++ {
-		elem = elem.Next()
+		elem = elem.Prev()
 	}
 	// 收集 pageSize 条
 	entries := make([]*urlKeywordsEntry, 0, pageSize)
 	for i := 0; i < pageSize && elem != nil; i++ {
 		entries = append(entries, elem.Value.(*urlKeywordsEntry))
-		elem = elem.Next()
+		elem = elem.Prev()
 	}
 	return entries
 }