导出样式

app/Exports/PurchaseStoreSheet.php

@@ -10,6 +10,9 @@ use Maatwebsite\Excel\Concerns\FromCollection;
 use Maatwebsite\Excel\Concerns\WithStrictNullComparison;
 use Maatwebsite\Excel\Concerns\WithStyles;
 use Maatwebsite\Excel\Concerns\WithTitle;
+use PhpOffice\PhpSpreadsheet\Style\Alignment;
+use PhpOffice\PhpSpreadsheet\Style\Border;
+use PhpOffice\PhpSpreadsheet\Style\Fill;
 use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
 
 /**
@@ -17,14 +20,32 @@ use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
  */
 class PurchaseStoreSheet implements FromCollection, WithStrictNullComparison, WithStyles, WithTitle
 {
+    /** 数量列填充色（浅黄） */
+    private const string QUANTITY_FILL = 'FFFFF2CC';
+
+    /** 金额列填充色（浅红） */
+    private const string AMOUNT_FILL = 'FFFFCCCC';
+
+    /** 金额格式：￥ + 两位小数 */
+    private const string CURRENCY_FORMAT = '"￥"#,##0.00';
+
     private ?Collection $rows = null;
 
     /** @var array<int, string> 特殊行索引（1 起）=> 类型（title/header/summary） */
     private array $specialRows = [];
 
+    /** @var array<int, array{quantity: int, amount: float}> 明细行索引 => 填色判断数据 */
+    private array $rowData = [];
+
+    /** @var array{quantity: int, amount: float} 合计行填色判断数据 */
+    private array $summaryTotals = ['quantity' => 0, 'amount' => 0.0];
+
     /** 列头所在行索引 */
     private int $headerRow = 1;
 
+    /** 数据末行索引 */
+    private int $lastRow = 1;
+
     public function __construct(
         private readonly PurchaseOrderModel $purchase,
         private readonly StoreModel $store,
@@ -64,6 +85,10 @@ class PurchaseStoreSheet implements FromCollection, WithStrictNullComparison, Wi
         $totalWeight = '0';
         $totalAmount = '0';
         foreach (array_values($items) as $sort => $item) {
+            $this->rowData[++$rowIndex] = [
+                'quantity' => (int) $item['quantity'],
+                'amount' => (float) $item['amount'],
+            ];
             $rows[] = [
                 $sort + 1,
                 $item['product_name'],
@@ -75,7 +100,6 @@ class PurchaseStoreSheet implements FromCollection, WithStrictNullComparison, Wi
                 (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);
@@ -84,6 +108,8 @@ class PurchaseStoreSheet implements FromCollection, WithStrictNullComparison, Wi
         // 合计行
         $rows[] = ['', '合计', '', '', '', '', $totalQuantity, (float) $totalWeight, (float) $totalAmount];
         $this->specialRows[++$rowIndex] = 'summary';
+        $this->lastRow = $rowIndex;
+        $this->summaryTotals = ['quantity' => $totalQuantity, 'amount' => (float) $totalAmount];
 
         return $this->rows = collect($rows);
     }
@@ -94,7 +120,8 @@ class PurchaseStoreSheet implements FromCollection, WithStrictNullComparison, Wi
     }
 
     /**
-     * 标题/列头/合计加粗，冻结列头
+     * 标题/列头/合计加粗；全表居中 + 全边框；金额类列货币格式；
+     * 数量（浅黄）/金额（浅红）按值条件填色（0 不填、列头固定填色），冻结列头
      */
     public function styles(Worksheet $sheet): array
     {
@@ -107,6 +134,47 @@ class PurchaseStoreSheet implements FromCollection, WithStrictNullComparison, Wi
                 ->setWidth($width);
         }
 
+        // 全部单元格水平/垂直居中
+        $sheet->getStyle('A1:I' . $this->lastRow)
+            ->getAlignment()
+            ->setHorizontal(Alignment::HORIZONTAL_CENTER)
+            ->setVertical(Alignment::VERTICAL_CENTER);
+
+        // 表格区域（列头 → 合计行）添加所有边框
+        $sheet->getStyle('A' . $this->headerRow . ':I' . $this->lastRow)
+            ->getBorders()
+            ->getAllBorders()
+            ->setBorderStyle(Border::BORDER_THIN);
+
+        // 金额类列（单价/预计金额）货币格式：￥ + 两位小数
+        foreach (['F', 'I'] as $column) {
+            $sheet->getStyle($column . ($this->headerRow + 1) . ':' . $column . $this->lastRow)
+                ->getNumberFormat()
+                ->setFormatCode(self::CURRENCY_FORMAT);
+        }
+
+        // 数量列（G）：有数据浅黄，0 无背景，列头固定浅黄
+        $this->fillCell($sheet, 'G' . $this->headerRow, self::QUANTITY_FILL);
+        foreach ($this->rowData as $row => $data) {
+            if ($data['quantity'] > 0) {
+                $this->fillCell($sheet, 'G' . $row, self::QUANTITY_FILL);
+            }
+        }
+        if ($this->summaryTotals['quantity'] > 0) {
+            $this->fillCell($sheet, 'G' . $this->lastRow, self::QUANTITY_FILL);
+        }
+
+        // 金额列（I）：有数据浅红，0 无背景，列头固定浅红
+        $this->fillCell($sheet, 'I' . $this->headerRow, self::AMOUNT_FILL);
+        foreach ($this->rowData as $row => $data) {
+            if ($data['amount'] > 0) {
+                $this->fillCell($sheet, 'I' . $row, self::AMOUNT_FILL);
+            }
+        }
+        if ($this->summaryTotals['amount'] > 0) {
+            $this->fillCell($sheet, 'I' . $this->lastRow, self::AMOUNT_FILL);
+        }
+
         $styles = [];
         foreach ($this->specialRows as $row => $type) {
             $style = match ($type) {
@@ -121,4 +189,16 @@ class PurchaseStoreSheet implements FromCollection, WithStrictNullComparison, Wi
 
         return $styles;
     }
+
+    /**
+     * 单元格纯色填充
+     */
+    private function fillCell(Worksheet $sheet, string $coordinate, string $argb): void
+    {
+        $sheet->getStyle($coordinate)
+            ->getFill()
+            ->setFillType(Fill::FILL_SOLID)
+            ->getStartColor()
+            ->setARGB($argb);
+    }
 }