web下载excel，打开后内容为空

[huxiaofei658]

   response.setContentType("application/vnd.ms-excel");
    response.setCharacterEncoding("utf8");
    //2、设定附件的打开方法为：下载，并指定文件名称为category.xlsx  exportDataList
   response.setHeader("Content-disposition","attachment;filename="+ excelFileName +".xlsx");
    try(ServletOutputStream outputStream = response.getOutputStream()) {
        // 导出数据
        EasyExcel.write(outputStream).head(head(headList)).sheet(sheetName).doWrite(dataList);
    } catch (IOException e) {
        throw new RuntimeException("导出excel数据时异常！！！");
    }

[huxiaofei658]

[LSL1618]

application/vnd.ms-excel与xlsx完全对不上嘛！