Workbook workbook = ExcelExportUtil.exportExcel(params, map);
1.創建一個模板文件,獲得模板文件
TemplateExportParams params = new TemplateExportParams("export"+File.separator+"template"+File.separator+"oilRecord.xlsx");
2. //得到工作簿對象 Workbook workbook = ExcelExportUtil.exportExcel(params, map);