1、产品库存汇总（按门店）总金额四舍五入。

app/admin/models/erp_order.go

@@ -263,6 +263,11 @@ type ErpOrderStoreManageDataResp struct {
 	PageIndex         int               `json:"pageIndex"` // 页码
 	PageSize          int               `json:"pageSize"`  // 每页展示条数
 	ExportUrl         string            `json:"export_url"`
+	TotalSalesAmount  float64           `json:"total_sales_amount"`  // 总销售额
+	TotalPromotionFee float64           `json:"total_promotion_fee"` // 总推广费
+	TotalSalesProfit  float64           `json:"total_sales_profit"`  // 总销售毛利
+	TotalStaffProfit  float64           `json:"total_staff_profit"`  // 总员工毛利
+	TotalCount        int64             `json:"total_count"`         // 总销售数量
 }
 
 // StoreManageData 门店经营数据
@@ -2293,7 +2298,26 @@ func QueryStoreManageData(req *ErpOrderStoreManageDataReq, c *gin.Context) (*Erp
 	}
 	qs.Where("state = ?", ErpOrderStateAudited)
 
-	// 查询数据
+	// 查询汇总数据
+	var summary struct {
+		TotalSalesAmount  float64
+		TotalPromotionFee float64
+		TotalSalesProfit  float64
+		TotalStaffProfit  float64
+		TotalCount        int64
+	}
+	err = qs.Select("SUM(CASE WHEN retail_type = 'sale' THEN total_amount ELSE -total_amount END) AS total_sales_amount, " +
+		"SUM(CASE WHEN retail_type = 'sale' THEN total_discount ELSE -total_discount END) AS total_promotion_fee, " +
+		"SUM(CASE WHEN retail_type = 'sale' THEN total_sales_profit ELSE -total_sales_profit END) AS total_sales_profit, " +
+		"SUM(CASE WHEN retail_type = 'sale' THEN total_staff_profit ELSE -total_staff_profit END) AS total_staff_profit, " +
+		"SUM(CASE WHEN retail_type = 'sale' THEN total_count ELSE -total_count END) AS total_count").
+		Find(&summary).Error
+	if err != nil {
+		logger.Error("QueryStoreManageData summary err:", logger.Field("err", err))
+		return nil, err
+	}
+
+	// 查询分页数据
 	if req.SortType == "asc" {
 		err = qs.Select("DATE_FORMAT(maker_time, '%Y-%m-%d') AS date, " +
 			"SUM(CASE WHEN retail_type = 'sale' THEN total_discount ELSE -total_discount END) AS promotion_fee, " +
@@ -2322,6 +2346,13 @@ func QueryStoreManageData(req *ErpOrderStoreManageDataReq, c *gin.Context) (*Erp
 
 	finalStoreManageDataList := constructFinalStoreManageDataList(storeManageDataList, req)
 
+	// 汇总数据赋值给响应
+	resp.TotalSalesAmount = math.Round(summary.TotalSalesAmount*100) / 100
+	resp.TotalPromotionFee = math.Round(summary.TotalPromotionFee*100) / 100
+	resp.TotalSalesProfit = math.Round(summary.TotalSalesProfit*100) / 100
+	resp.TotalStaffProfit = math.Round(summary.TotalStaffProfit*100) / 100
+	resp.TotalCount = summary.TotalCount
+
 	if req.IsExport == 1 { //导出excel
 		storeName := "所有门店"
 		if req.StoreId != 0 {
@@ -2334,7 +2365,7 @@ func QueryStoreManageData(req *ErpOrderStoreManageDataReq, c *gin.Context) (*Erp
 		}
 
 		finalStoreManageDataList = constructFinalStoreManageDataList(storeManageDataList, req)
-		filePath, err := storeManageDataExport(finalStoreManageDataList, storeName, c)
+		filePath, err := storeManageDataExport(finalStoreManageDataList, storeName, summary, c)
 		if err != nil {
 			logger.Error("StoreManageDataExport err:", logger.Field("err", err))
 			return nil, err
@@ -2413,7 +2444,13 @@ func constructFinalStoreManageDataList(storeManageDataList []StoreManageData, re
 }
 
 // StoreManageDataExport 导出门店经营数据
-func storeManageDataExport(list []StoreManageData, storeName string, c *gin.Context) (string, error) {
+func storeManageDataExport(list []StoreManageData, storeName string, summary struct {
+	TotalSalesAmount  float64
+	TotalPromotionFee float64
+	TotalSalesProfit  float64
+	TotalStaffProfit  float64
+	TotalCount        int64
+}, c *gin.Context) (string, error) {
 	file := excelize.NewFile()
 	fSheet := "Sheet1"
 
@@ -2477,6 +2514,25 @@ func storeManageDataExport(list []StoreManageData, storeName string, c *gin.Cont
 		nExcelStartRow++
 	}
 
+	totalData := "汇总 记录数:" + strconv.FormatInt(int64(len(list)), 10)
+	end := []interface{}{totalData, summary.TotalSalesAmount, summary.TotalPromotionFee}
+
+	if flag1 { // 销售毛利
+		end = append(end, summary.TotalSalesProfit)
+	}
+	if flag2 { // 员工毛利
+		end = append(end, summary.TotalStaffProfit)
+	}
+	end = append(end, summary.TotalCount)
+
+	for i, _ := range end {
+		cell, _ := excelize.CoordinatesToCellName(1+i, nExcelStartRow+2)
+		err := file.SetCellValue(fSheet, cell, end[i])
+		if err != nil {
+			logger.Error("file set value err:", logger.Field("err", err))
+		}
+	}
+
 	// 设置所有单元格的样式: 居中、加边框
 	style, _ := file.NewStyle(`{"alignment":{"horizontal":"center","vertical":"center"},
 	"border":[{"type":"left","color":"000000","style":1},
@@ -2493,11 +2549,11 @@ func storeManageDataExport(list []StoreManageData, storeName string, c *gin.Cont
 	var endRow string
 	switch nEndCount {
 	case 1:
-		endRow = fmt.Sprintf("E"+"%d", nExcelStartRow+1)
+		endRow = fmt.Sprintf("E"+"%d", nExcelStartRow+2)
 	case 2:
-		endRow = fmt.Sprintf("F"+"%d", nExcelStartRow+1)
+		endRow = fmt.Sprintf("F"+"%d", nExcelStartRow+2)
 	default:
-		endRow = fmt.Sprintf("D"+"%d", nExcelStartRow+1)
+		endRow = fmt.Sprintf("D"+"%d", nExcelStartRow+2)
 	}
 	// 应用样式到整个表格
 	_ = file.SetCellStyle("Sheet1", "A1", endRow, style)