feat: 增加负利润导出V2版本，合并单元格版本

internal/tools/bbxt/bbxt.go

@@ -117,7 +117,8 @@ func (b *BbxtTools) StatisOursProductLossSumTotal(ct []string) (err error) {
 
 	if len(gt) > 0 {
 		filePath := b.cacheDir + "/kshj_gt" + fmt.Sprintf("%d", time.Now().Unix()) + ".xlsx"
-		err = b.resellerDetailFillExcel(b.excelTempDir+"/"+"kshj_gt.xlsx", filePath, gt)
+		// err = b.resellerDetailFillExcel(b.excelTempDir+"/"+"kshj_gt.xlsx", filePath, gt)
+		err = b.resellerDetailFillExcelV2(b.excelTempDir+"/"+"kshj_gt.xlsx", filePath, gt)
 	}
 	return err
 }

internal/tools/bbxt/excel.go

@@ -181,6 +181,137 @@ func (b *BbxtTools) resellerDetailFillExcel(templatePath, outputPath string, dat
 	return f.SaveAs(outputPath)
 }
 
+// 分销商负利润详情填充excel-V2
+// 1.使用模板文件作为输出文件，从第二行开始填充
+// 2.整体为3列：1.分销商名称（以ResellerName为分组，分销商名称列使用的样式为） 2.商品名称（p.ProductName） 3.亏损金额（p.Loss）
+// 3.分销商名称列使用的样式为 A2；商品名称、亏损金额使用的样式为 B2、C2；样式包括宽高、背景、颜色等
+// 4.以ResellerName分组，合并单元格
+// 5.在文件末尾使用“合计”，合计行样式为模板第四行
+// 6.保存为新文件
+func (b *BbxtTools) resellerDetailFillExcelV2(templatePath, outputPath string, dataSlice []*ResellerLoss) error {
+	// 1. 读取模板
+	f, err := excelize.OpenFile(templatePath)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	sheet := f.GetSheetName(0)
+
+	// ---------------- 样式获取 ----------------
+	// 模板第2行：数据行样式
+	tplRowData := 2
+	styleA2, err := f.GetCellStyle(sheet, fmt.Sprintf("A%d", tplRowData))
+	if err != nil {
+		styleA2 = 0
+	}
+	// B2和C2通常样式一致，这里取B2作为明细列样式
+	styleB2, err := f.GetCellStyle(sheet, fmt.Sprintf("B%d", tplRowData))
+	if err != nil {
+		styleB2 = 0
+	}
+	styleC2, err := f.GetCellStyle(sheet, fmt.Sprintf("C%d", tplRowData))
+	if err != nil {
+		styleC2 = 0
+	}
+
+	rowHeightData, err := f.GetRowHeight(sheet, tplRowData)
+	if err != nil {
+		rowHeightData = 20
+	}
+
+	// 模板第4行：合计行样式
+	tplRowTotal := 4
+	styleTotalA, err := f.GetCellStyle(sheet, fmt.Sprintf("A%d", tplRowTotal))
+	if err != nil {
+		styleTotalA = 0
+	}
+	styleTotalB, err := f.GetCellStyle(sheet, fmt.Sprintf("B%d", tplRowTotal))
+	if err != nil {
+		styleTotalB = 0
+	}
+	styleTotalC, err := f.GetCellStyle(sheet, fmt.Sprintf("C%d", tplRowTotal))
+	if err != nil {
+		styleTotalC = 0
+	}
+	rowHeightTotal, err := f.GetRowHeight(sheet, tplRowTotal)
+	if err != nil {
+		rowHeightTotal = 30
+	}
+	// ----------------------------------------
+
+	currentRow := 2
+	totalLoss := 0.0
+
+	for _, reseller := range dataSlice {
+		// 排序 ProductLoss
+		var products []ProductLoss
+		for _, p := range reseller.ProductLoss {
+			products = append(products, p)
+		}
+		sort.Slice(products, func(i, j int) bool {
+			return products[i].Loss < products[j].Loss
+		})
+
+		startRow := currentRow
+
+		// 填充该经销商的所有产品
+		for _, p := range products {
+			// 设置行高
+			f.SetRowHeight(sheet, currentRow, rowHeightData)
+
+			// 设置值
+			f.SetCellValue(sheet, fmt.Sprintf("A%d", currentRow), reseller.ResellerName)
+			f.SetCellValue(sheet, fmt.Sprintf("B%d", currentRow), p.ProductName)
+			f.SetCellValue(sheet, fmt.Sprintf("C%d", currentRow), p.Loss)
+
+			// 设置样式
+			if styleA2 != 0 {
+				f.SetCellStyle(sheet, fmt.Sprintf("A%d", currentRow), fmt.Sprintf("A%d", currentRow), styleA2)
+			}
+			if styleB2 != 0 {
+				f.SetCellStyle(sheet, fmt.Sprintf("B%d", currentRow), fmt.Sprintf("B%d", currentRow), styleB2)
+			}
+			if styleC2 != 0 {
+				f.SetCellStyle(sheet, fmt.Sprintf("C%d", currentRow), fmt.Sprintf("C%d", currentRow), styleC2)
+			}
+
+			totalLoss += p.Loss
+			currentRow++
+		}
+
+		endRow := currentRow - 1
+		// 合并单元格 (如果多于1行)
+		if endRow > startRow {
+			f.MergeCell(sheet, fmt.Sprintf("A%d", startRow), fmt.Sprintf("A%d", endRow))
+		}
+	}
+
+	// ---------------- 填充合计行 ----------------
+	// 设置行高
+	f.SetRowHeight(sheet, currentRow, rowHeightTotal)
+
+	f.SetCellValue(sheet, fmt.Sprintf("A%d", currentRow), "合计")
+	// B列留空，C列填充总亏损
+	f.SetCellValue(sheet, fmt.Sprintf("C%d", currentRow), totalLoss)
+
+	// 设置合计行样式
+	if styleTotalA != 0 {
+		f.SetCellStyle(sheet, fmt.Sprintf("A%d", currentRow), fmt.Sprintf("A%d", currentRow), styleTotalA)
+	}
+	if styleTotalB != 0 {
+		f.SetCellStyle(sheet, fmt.Sprintf("B%d", currentRow), fmt.Sprintf("B%d", currentRow), styleTotalB)
+	}
+	if styleTotalC != 0 {
+		f.SetCellStyle(sheet, fmt.Sprintf("C%d", currentRow), fmt.Sprintf("C%d", currentRow), styleTotalC)
+	}
+	// 取消合并合计行的A、B列
+	// f.MergeCell(sheet, fmt.Sprintf("A%d", currentRow), fmt.Sprintf("B%d", currentRow))
+
+	// 6. 保存
+	return f.SaveAs(outputPath)
+}
+
 // excel2picPy 将excel转换为图片python
 // python 接口如下：
 // curl --location --request POST 'http://192.168.6.109:8010/api/v1/convert' \