采购单优化

2026-08-17 18:13:33 +08:00
parent a06c45dc49
commit 3dbb9205a4
16 changed files with 2215 additions and 437 deletions
@@ -0,0 +1,123 @@
+<?php
+
+namespace App\Exports;
+
+use App\Models\PurchaseOrderModel;
+use App\Models\SupplierModel;
+use App\Services\PurchaseItemService;
+use Illuminate\Support\Collection;
+use Maatwebsite\Excel\Concerns\FromCollection;
+use Maatwebsite\Excel\Concerns\WithStrictNullComparison;
+use Maatwebsite\Excel\Concerns\WithStyles;
+use Maatwebsite\Excel\Concerns\WithTitle;
+use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+
+/**
+ * 供应商采购明细导出 · 单供应商工作表（成本口径：金额=Σ数量×成本价）
+ */
+class PurchaseSupplierSheet implements FromCollection, WithStrictNullComparison, WithStyles, WithTitle
+{
+    private ?Collection $rows = null;
+
+    /** @var array<int, string> 特殊行索引（1 起）=> 类型（title/header/summary） */
+    private array $specialRows = [];
+
+    /** 列头所在行索引 */
+    private int $headerRow = 1;
+
+    public function __construct(
+        private readonly PurchaseOrderModel $purchase,
+        private readonly SupplierModel $supplier,
+        private readonly string $sheetTitle,
+    ) {
+    }
+
+    /**
+     * 导出行：标题/空行/列头/明细/合计
+     */
+    public function collection(): Collection
+    {
+        if ($this->rows !== null) {
+            return $this->rows;
+        }
+
+        $items = app(PurchaseItemService::class)->supplierRows($this->purchase->id, $this->supplier->id);
+
+        $rows = [];
+        $rowIndex = 0;
+
+        // 标题行
+        $rows[] = [$this->supplier->name . ' · 采购单 ' . $this->purchase->purchase_no];
+        $this->specialRows[++$rowIndex] = 'title';
+
+        // 空行
+        $rows[] = [''];
+        $rowIndex++;
+
+        // 列头
+        $rows[] = ['序号', '品名', '包规', '单位', '成本价', '数量', '重量(斤)', '金额'];
+        $this->specialRows[++$rowIndex] = 'header';
+        $this->headerRow = $rowIndex;
+
+        // 明细行
+        $totalQuantity = 0;
+        $totalWeight = '0';
+        $totalAmount = '0';
+        foreach (array_values($items) as $sort => $item) {
+            $rows[] = [
+                $sort + 1,
+                $item['product_name'],
+                $item['product_spec'],
+                $item['unit'],
+                (float) $item['cost_price'],
+                (int) $item['quantity'],
+                (float) $item['weight'],
+                (float) $item['amount'],
+            ];
+            $rowIndex++;
+            $totalQuantity += (int) $item['quantity'];
+            $totalWeight = bcadd($totalWeight, (string) $item['weight'], 3);
+            $totalAmount = bcadd($totalAmount, (string) $item['amount'], 2);
+        }
+
+        // 合计行
+        $rows[] = ['', '合计', '', '', '', $totalQuantity, (float) $totalWeight, (float) $totalAmount];
+        $this->specialRows[++$rowIndex] = 'summary';
+
+        return $this->rows = collect($rows);
+    }
+
+    public function title(): string
+    {
+        return $this->sheetTitle;
+    }
+
+    /**
+     * 标题/列头/合计加粗，冻结列头
+     */
+    public function styles(Worksheet $sheet): array
+    {
+        $this->collection();
+
+        $sheet->freezePane('A' . ($this->headerRow + 1));
+        $widths = [6, 24, 14, 8, 10, 10, 12, 12];
+        foreach ($widths as $index => $width) {
+            $sheet->getColumnDimension(Coordinate::stringFromColumnIndex($index + 1))->setWidth($width);
+        }
+
+        $styles = [];
+        foreach ($this->specialRows as $row => $type) {
+            $style = match ($type) {
+                'title' => ['font' => ['bold' => true, 'size' => 14]],
+                'header', 'summary' => ['font' => ['bold' => true]],
+                default => [],
+            };
+            if ($style !== []) {
+                $styles[$row] = $style;
+            }
+        }
+
+        return $styles;
+    }
+}