SaveExcelFile方法添加文件保存

utils/utils.go

@@ -428,5 +428,10 @@ func SaveExcelFile(list []interface{}, sheetName string, prefixFilename string)
 	if err != nil {
 		return "", err
 	}
-	return dirname + "/" + filename, nil
+	filepath =  dirname + "/" + filename
+	err = file.SaveAs(filepath)
+	if err != nil {
+		return "", err
+	}
+	return filepath, nil
 }