fix: 优化报表标题生成逻辑

internal/tools/bbxt/bbxt.go

@@ -160,20 +160,22 @@ func (b *BbxtTools) StatisOursProductLossSum(now time.Time) (report []*ReportRes
 		err = b.SimpleFillExcelWithTitle(b.excelTempDir+"/"+"kshj_total.xlsx", filePath, total, "")
 		report[0] = &ReportRes{
 			ReportName: "负利润分析(合计表)",
-			Title:      "截至今日" + timeCh + "利润累计亏损" + fmt.Sprintf("%.2f", totalSum),
+			Title:      "截至" + timeCh + "利润累计亏损" + fmt.Sprintf("%.2f", totalSum),
 			Path:       filePath,
 			Data:       total,
 		}
 	}
+
 	if err != nil {
 		return
 	}
 	if len(gt) > 0 {
 		filePath := b.cacheDir + "/kshj_gt" + fmt.Sprintf("%d%d", time.Now().Unix(), rand.Intn(1000)) + ".xlsx"
-		err = b.resellerDetailFillExcelV2(b.excelTempDir+"/"+"kshj_gt.xlsx", filePath, gt)
+		title := "截至" + timeCh + "亏损500以上的分销商和产品"
+		err = b.resellerDetailFillExcelV2(b.excelTempDir+"/"+"kshj_gt.xlsx", filePath, gt, title)
 		report[1] = &ReportRes{
 			ReportName: "负利润分析(亏损500以上)",
-			Title:      "截至今日" + timeCh + "亏顺500以上利润累计亏损" + fmt.Sprintf("%.2f", totalSum500),
+			Title:      "截至" + timeCh + "亏损500以上利润累计亏损" + fmt.Sprintf("%.2f", totalSum500),
 			Path:       filePath,
 			Data:       total,
 		}

internal/tools/bbxt/excel.go

@@ -180,7 +180,7 @@ func SetStyle(styleMap map[string]string, f *excelize.File) (int, error) {
 // 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 {
+func (b *BbxtTools) resellerDetailFillExcelV2(templatePath, outputPath string, dataSlice []*ResellerLoss, title string) error {
 	// 1. 读取模板
 	f, err := excelize.OpenFile(templatePath)
 	if err != nil {
@@ -189,7 +189,10 @@ func (b *BbxtTools) resellerDetailFillExcelV2(templatePath, outputPath string, d
 	defer f.Close()
 
 	sheet := f.GetSheetName(0)
-
+	if len(title) > 0 {
+		// 写入标题
+		f.SetCellValue(sheet, "A1", title)
+	}
 	// ---------------- 样式获取 ----------------
 	// 模板第2行：数据行样式
 	tplRowData := 2