记录后台使用Easy Excel导出Excel为Base64传到前台解析问题

/**
     *
     * @param list 数据
     * @param clazz EasyExcel 表格Modal
     * @return
     */
    public static <T> String exportExcelToBase64(List<T> list, Class<T> clazz) {
   
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ExcelWriter excelwriter = EasyExcel.write(out).build();
        WriteSheet sheet = EasyExcel.writerSheet(1, "sheet0").build();
        WriteTable table = new WriteTable();
        table.setClazz(clazz);
        excelwriter.write(list, sheet, table);
        excelwriter.finish();
        InputStream inputStream = new ByteArrayInputStream(out.toByteArray()