导出样式

app/Exports/BillExport.php

@@ -10,6 +10,9 @@ use App\Services\BillDetailService;
 use Illuminate\Support\Collection;
 use Maatwebsite\Excel\Concerns\FromCollection;
 use Maatwebsite\Excel\Concerns\WithStyles;
+use PhpOffice\PhpSpreadsheet\Style\Alignment;
+use PhpOffice\PhpSpreadsheet\Style\Border;
+use PhpOffice\PhpSpreadsheet\Style\Fill;
 use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
 
 /**
@@ -18,6 +21,15 @@ use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
  */
 class BillExport implements FromCollection, WithStyles
 {
+    /** 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/scope/header/summary/grand） */
@@ -26,9 +38,15 @@ class BillExport implements FromCollection, WithStyles
     /** @var array<int, int> 标签需左合并 A:G 的合计行索引 */
     private array $mergeRows = [];
 
+    /** @var array<int, array{row: int, column: string, value: float}> 条件填色单元格（F=数量浅黄，H=金额浅红，非 0 填色） */
+    private array $fillCells = [];
+
     /** 列头所在行索引 */
     private int $headerRow = 1;
 
+    /** 数据末行索引 */
+    private int $lastRow = 1;
+
     /**
      * @param Collection<int, BillModel> $bills 勾选账单（已按 bill_date/id 排序，with store）
      * @param int $categoryId 一级分类ID（0=全部）
@@ -104,6 +122,8 @@ class BillExport implements FromCollection, WithStyles
                 (float) $item['amount'],
             ];
             $rowIndex++;
+            $this->fillCells[] = ['row' => $rowIndex, 'column' => 'F', 'value' => (float) $item['quantity']];
+            $this->fillCells[] = ['row' => $rowIndex, 'column' => 'H', 'value' => (float) $item['amount']];
             $totalQuantity += (int) $item['quantity'];
             $totalWeight = bcadd($totalWeight, $item['weight'], 3);
             $totalAmount = bcadd($totalAmount, $item['amount'], 2);
@@ -112,6 +132,8 @@ class BillExport implements FromCollection, WithStyles
         // 商品合计行
         $rows[] = ['', '合计', '', '', '', $totalQuantity, (float) $totalWeight, (float) $totalAmount];
         $this->specialRows[++$rowIndex] = 'summary';
+        $this->fillCells[] = ['row' => $rowIndex, 'column' => 'F', 'value' => (float) $totalQuantity];
+        $this->fillCells[] = ['row' => $rowIndex, 'column' => 'H', 'value' => (float) $totalAmount];
 
         // 配送费/附加金额/售后金额/总金额（账单级费用全额汇总，不受分类过滤影响）
         $deliveryTotal = '0';
@@ -131,24 +153,30 @@ class BillExport implements FromCollection, WithStyles
         $rows[] = ['配送费合计', '', '', '', '', '', '', (float) $deliveryTotal];
         $this->specialRows[++$rowIndex] = 'summary';
         $this->mergeRows[] = $rowIndex;
+        $this->fillCells[] = ['row' => $rowIndex, 'column' => 'H', 'value' => (float) $deliveryTotal];
 
         $rows[] = ['附加金额合计（周转筐 ' . $boxNum . ' 个 / 周转托盘 ' . $trayNum . ' 个）', '', '', '', '', '', '', (float) $addedTotal];
         $this->specialRows[++$rowIndex] = 'summary';
         $this->mergeRows[] = $rowIndex;
+        $this->fillCells[] = ['row' => $rowIndex, 'column' => 'H', 'value' => (float) $addedTotal];
 
         $rows[] = ['售后金额合计（可正负）', '', '', '', '', '', '', (float) $afterSaleTotal];
         $this->specialRows[++$rowIndex] = 'summary';
         $this->mergeRows[] = $rowIndex;
+        $this->fillCells[] = ['row' => $rowIndex, 'column' => 'H', 'value' => (float) $afterSaleTotal];
 
         $rows[] = ['总金额（商品金额+配送费+附加金额+售后金额）', '', '', '', '', '', '', (float) $grandTotal];
         $this->specialRows[++$rowIndex] = 'grand';
         $this->mergeRows[] = $rowIndex;
+        $this->fillCells[] = ['row' => $rowIndex, 'column' => 'H', 'value' => (float) $grandTotal];
+        $this->lastRow = $rowIndex;
 
         return $this->rows = collect($rows);
     }
 
     /**
-     * 标题/列头/合计行加粗，合计行标签左合并 A:G，冻结列头
+     * 标题/列头/合计行加粗，合计行标签左合并 A:G；全表居中 + 全边框；金额类列货币格式；
+     * 数量（浅黄）/金额（浅红）非 0 条件填色（0 不填、列头固定填色），冻结列头
      */
     public function styles(Worksheet $sheet): array
     {
@@ -168,6 +196,43 @@ class BillExport implements FromCollection, WithStyles
             $sheet->mergeCells('A' . $row . ':G' . $row);
         }
 
+        // 全部单元格水平/垂直居中（合计行标签保持左对齐）
+        $sheet->getStyle('A1:H' . $this->lastRow)
+            ->getAlignment()
+            ->setHorizontal(Alignment::HORIZONTAL_CENTER)
+            ->setVertical(Alignment::VERTICAL_CENTER);
+        foreach ($this->mergeRows as $row) {
+            $sheet->getStyle('A' . $row)->getAlignment()->setHorizontal(Alignment::HORIZONTAL_LEFT);
+        }
+
+        // 表格区域（列头 → 末行）添加所有边框
+        $sheet->getStyle('A' . $this->headerRow . ':H' . $this->lastRow)
+            ->getBorders()
+            ->getAllBorders()
+            ->setBorderStyle(Border::BORDER_THIN);
+
+        // 金额类列（单价/金额）货币格式：￥ + 两位小数
+        foreach (['E', 'H'] as $column) {
+            $sheet->getStyle($column . ($this->headerRow + 1) . ':' . $column . $this->lastRow)
+                ->getNumberFormat()
+                ->setFormatCode(self::CURRENCY_FORMAT);
+        }
+
+        // 列头固定填色：数量列（F）浅黄、金额列（H）浅红
+        $this->fillCell($sheet, 'F' . $this->headerRow, self::QUANTITY_FILL);
+        $this->fillCell($sheet, 'H' . $this->headerRow, self::AMOUNT_FILL);
+
+        // 数据区条件填色：非 0 填色，0 无背景（金额含负值）
+        foreach ($this->fillCells as $cell) {
+            if ((float) $cell['value'] !== 0.0) {
+                $this->fillCell(
+                    $sheet,
+                    $cell['column'] . $cell['row'],
+                    $cell['column'] === 'F' ? self::QUANTITY_FILL : self::AMOUNT_FILL
+                );
+            }
+        }
+
         $styles = [];
         foreach ($this->specialRows as $row => $type) {
             $style = match ($type) {
@@ -184,6 +249,18 @@ class BillExport implements FromCollection, WithStyles
         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);
+    }
+
     /**
      * 按一级分类过滤明细：沿 parent_id 上溯取根分类（商品含软删除，保证历史账单可导出），
      * 仅保留根分类为所选分类的行