修正庫存報表分頁參數衝突導致明細顯示為空的問題

app/Modules/Inventory/Exports/InventoryReportExport.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Modules\Inventory\Exports;
+
+use App\Modules\Inventory\Services\InventoryReportService;
+use Maatwebsite\Excel\Concerns\FromCollection;
+use Maatwebsite\Excel\Concerns\WithHeadings;
+use Maatwebsite\Excel\Concerns\WithMapping;
+use Maatwebsite\Excel\Concerns\ShouldAutoSize;
+use Maatwebsite\Excel\Concerns\WithStyles;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+
+class InventoryReportExport implements FromCollection, WithHeadings, WithMapping, ShouldAutoSize, WithStyles
+{
+    protected $service;
+    protected $filters;
+
+    public function __construct(InventoryReportService $service, array $filters)
+    {
+        $this->service = $service;
+        $this->filters = $filters;
+    }
+
+    public function collection()
+    {
+        return $this->service->getReportData($this->filters, null); // perPage = null to get all
+    }
+
+    public function headings(): array
+    {
+        return [
+            '商品代碼',
+            '商品名稱',
+            '分類',
+            '進貨量',
+            '出貨量',
+            '調整量',
+            '淨變動',
+        ];
+    }
+
+    public function map($row): array
+    {
+        return [
+            $row->product_code,
+            $row->product_name,
+            $row->category_name ?? '-',
+            $row->inbound_qty,
+            $row->outbound_qty,
+            $row->adjust_qty,
+            $row->net_change,
+        ];
+    }
+
+    public function styles(Worksheet $sheet)
+    {
+        return [
+            1 => ['font' => ['bold' => true]],
+        ];
+    }
+}