refactor: 产品兼容性导出

app/admin/common.php

@@ -148,6 +148,84 @@ if (!function_exists('xlsx_writer')) {
     }
 }
 
+if (!function_exists('xlsx_download_xaccel')) {
+    /**
+     * 构建Excel数据（采用Nginx Sendfile方式）
+     *
+     * Nginx中需配置
+     * location /download/ {
+     *     internal; # 关键：禁止外部直接访问这个路径
+     *     alias /tmp/; # 使用 alias，将 URI 映射到你存放文件的真实目录
+     * }
+     *
+     * 注意：避免临时文件造成磁盘堆积，需依赖系统层定时清理（如 systemd-tmpfiles / cron），PHP 侧不做删除
+     *      如：# 每分钟执行一次，删除 /tmp 下 10 分钟前创建的 xlsx_ 临时文件
+     *      * * * * * find /tmp -maxdepth 1 -name 'ow_xlsx_*' -type f -mmin +10 -delete
+     *
+     * @param array|\think\model\Collection|Generator $data 数据 例：[['name'=>'张三','age'=>18, 'sex'=>'男']]
+     * @param array $schema 表头信息 例：['name' => '姓名', 'age' => '年龄', 'sex' => '性别']
+     * @param string $filename 下载文件名称 默认为YmdHis时间
+     * @return \think\Response
+     */
+    function xlsx_download_xaccel(array|\think\model\Collection|Generator $data, array $schema, string $filename = ''): \think\Response
+    {
+        // 生成到临时文件，避免将整个文件内容写入输出缓冲区
+        $tmp_file = tempnam(sys_get_temp_dir(), 'ow_xlsx_');
+        if (false === $tmp_file) {
+            throw new \RuntimeException('创建临时文件失败');
+        }
+        // tempnam 默认 0600，需放开读权限，否则 Nginx 与 PHP-FPM 用户不同时无法读取
+        chmod($tmp_file, 0644);
+
+        // 获取Spreadsheet对象
+        $spreadsheet = new \PhpOffice\PhpSpreadsheet\Spreadsheet();
+        $sheet       = $spreadsheet->getActiveSheet();
+
+        // 写入表头
+        $title_col = 'A';
+        foreach (array_values($schema) as $value) {
+            $sheet->setCellValue($title_col . '1', $value);
+            $title_col++;
+        }
+
+        // 写入数据
+        $row  = 2;
+        $keys = array_keys($schema);
+        foreach ($data as $item) {
+            $data_col = 'A';
+            foreach ($keys as $key) {
+                $sheet->setCellValue($data_col . $row, $item[$key] ?? '');
+                $data_col++;
+            }
+            $row++;
+        }
+
+        // 写入临时文件，不预计算公式以降低耗时与内存
+        $writer = new \PhpOffice\PhpSpreadsheet\Writer\Xlsx($spreadsheet);
+        $writer->setPreCalculateFormulas(false);
+        $writer->save($tmp_file);
+
+        // 释放Spreadsheet内存
+        $spreadsheet->disconnectWorksheets();
+        unset($spreadsheet, $writer, $sheet);
+
+        if ('' == $filename) $filename = date('YmdHis');
+        $filename = urlencode($filename);
+
+        $response = \think\Response::create()
+            ->header([
+                'Access-Control-Expose-Headers' => 'Content-Disposition',
+                'Content-Type'                  => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet; charset=UTF-8',
+                'Content-Disposition'           => 'attachment;filename=' . $filename . '.xlsx',
+                'Cache-Control'                 => 'max-age=0',
+                'Content-Length'                => filesize($tmp_file),
+                'X-Accel-Redirect'              => '/download/' . basename($tmp_file), // Nginx
+            ]);
+
+        return $response;
+    }
+}
+
 if (!function_exists('strtobytes')) {
 
     /**

app/admin/controller/v1/ProductCompat.php

@@ -318,15 +318,7 @@ class ProductCompat
                 'language_id',
                 'deleted_at'
             ])
-            ->with([
+            ->language(1)
-                'types' => function ($query) {
-                    $query->field(['id', 'name']);
-                },
-                'parts' => function ($query) {
-                    $query->field(['id', 'name']);
-                }
-            ])
-            ->language(request()->lang_id)
             ->where(function ($query) use($params) {
                 if (!empty($params['type_id'])) {
                     $query->typeId($params['type_id']);
@@ -341,6 +333,10 @@ class ProductCompat
                 'compatible_model' => $params['compatible_model'] ?? null,
             ]);
 
+        // 类型/配件为字典小表，一次性载入内存映射，避免每批预加载关联查询
+        $type_map = ProductCompatTypesModel::column('name', 'id');
+        $part_map = ProductCompatPartsModel::column('name', 'id');
+
         $schema = [
             'id'                => 'id',
             'type_name'         => '产品类型',
@@ -359,9 +355,9 @@ class ProductCompat
             'updated_at'        => '更新时间'
         ];
 
-        return xlsx_writer($this->xlsxRowGenerator($query), $schema, '产品兼容性' . date('YmdHis'));
+        return xlsx_download_xaccel($this->xlsxRowGenerator($query, $type_map, $part_map), $schema, '产品兼容性' . date('YmdHis'));
     }
-    private function xlsxRowGenerator(Query $query, int $page_size = 500): Generator
+    private function xlsxRowGenerator(Query $query, array $type_map, array $part_map, int $page_size = 500): Generator
     {
         // 主键游标分页，避免 offset 深翻页的性能问题
         $last_id = 0;
@@ -392,10 +388,10 @@ class ProductCompat
             foreach ($items as $item) {
                 yield [
                     'id'                => $item['id'],
-                    'type_name'         => $item['types']['name'] ?? '',
+                    'type_name'         => $type_map[$item['type_id']] ?? '',
                     'brand_name'        => $item['brand_name'],
                     'model'             => $item['model'],
-                    'part_name'         => $item['parts']['name'] ?? '',
+                    'part_name'         => $part_map[$item['part_id']] ?? '',
                     'level_name'        => $item['level_name'],
                     'spec_name'         => $item['spec_name'],
                     'series_name'       => $item['series_name'],