add create excel util

utils/excel.go

@@ -0,0 +1,33 @@
+package utils
+
+import (
+	"bytes"
+	"github.com/tealeg/xlsx"
+)
+
+func CreateExcel(headers []string, data map[int]string) (*bytes.Buffer, error) {
+	file := xlsx.NewFile()
+	sheet, err := file.AddSheet("sheet1")
+	if err != nil {
+		return nil, err
+	}
+
+	headerRow := sheet.AddRow()
+	for _, header := range headers {
+		cell := headerRow.AddCell()
+		cell.Value = header
+	}
+
+	dataRow := sheet.AddRow()
+	for i := 0; i < len(headers); i++ {
+		cell := dataRow.AddCell()
+		cell.Value = data[i]
+	}
+
+	buffer := new(bytes.Buffer)
+	if err := file.Write(buffer); err != nil {
+		return nil, err
+	}
+
+	return buffer, nil
+}