fixed：文章id连续修复

add_pid_to_posts.ps1

@@ -0,0 +1,64 @@
+
+# 脚本功能：批量给现有 Markdown 文章添加 pid 字段，按发布时间升序排列（1, 2, 3...）
+
+$postsPath = "content/post"
+$files = Get-ChildItem -Path $postsPath -Filter "*.md"
+
+Write-Host "正在扫描文章..."
+$postData = @()
+
+foreach ($file in $files) {
+    $content = Get-Content $file.FullName -Raw -Encoding UTF8
+    
+    # 提取日期
+    if ($content -match "(?m)^date:\s*([0-9T:-\s]+)") {
+        $dateStr = $matches[1].Trim()
+        try {
+            $date = [DateTime]::Parse($dateStr)
+        } catch {
+            $date = $file.CreationTime
+        }
+    } else {
+        $date = $file.CreationTime
+    }
+    
+    $postData += [PSCustomObject]@{
+        Path = $file.FullName
+        Date = $date
+        Content = $content
+    }
+}
+
+# 按时间排序
+$sortedPosts = $postData | Sort-Object Date
+
+$id = 1
+foreach ($post in $sortedPosts) {
+    $content = $post.Content
+    
+    # 检查是否已有 pid
+    if ($content -match "(?m)^pid:\s*\d+") {
+        # 更新 pid
+        $newContent = $content -replace "(?m)^pid:\s*\d+", "pid: $id"
+    } else {
+        # 插入 pid (在第二个 --- 之前，或者在 layout/title 之后)
+        # 简单策略：在第一个 --- 后面插入
+        # 注意：Raw string start with ---
+        
+        if ($content -match "^---\s*\r?\n") {
+            $newContent = $content -replace "^---\s*\r?\n", "--`npid: $id`n"
+        } else {
+            # 异常情况，直接追加
+            Write-Host "Skipping $($post.Path) (No front matter found)"
+            continue
+        }
+    }
+    
+    # 保持 UTF8 编码 (无 BOM 或带 BOM 取决于原文件，这里统一用 UTF8)
+    [System.IO.File]::WriteAllText($post.Path, $newContent, [System.Text.Encoding]::UTF8)
+    
+    Write-Host "Updated $($post.Path) with pid: $id"
+    $id++
+}
+
+Write-Host "处理完成！共更新 $($id - 1) 篇文章。"