java导入excel去除空行问题

下面的代码我有个怎么修改才能实现导入的时候 自动屏蔽或者去除空行
/**
      * 通过excel导入数据
    *
    * @param request
    * @param response
    * @return
    */
    @RequestMapping(value = "/importExcel", method = RequestMethod.POST)
    public Result<?> importExcel(HttpServletRequest request, HttpServletResponse response) {


        return super.importExcel(request, response, PunchCard.class);
    }

}

实体类里空白地方 用一个空属性 做占位符 String value;
${value}

引用Spire.Xls.jar包,用下面代码删除Excel表格中的空白行然后再导入

import com.spire.xls.ExcelVersion;
import com.spire.xls.Workbook;
import com.spire.xls.Worksheet;

public class RemoveBlankRowsFromExcel {
    public static void main(String[] args){
        Workbook workbook = new Workbook();
        //加载Excel
        workbook.loadFromFile("Sample.xlsx");

        //获取第一张工作表
        Worksheet sheet = workbook.getWorksheets().get(0);
        //获取总行数
        int rowCount = sheet.getRows().length;

        //遍历所有行
        for (int i = rowCount - 1; i >= 0; i--)
        {
            //判断行是否为空
            if (sheet.getRows()[i].isBlank())
            {
                //删除空白行
                sheet.deleteRow(i + 1); //索引从1开始
            }
        }
        
        //保存
        workbook.saveToFile("DeleteBlankRows.xlsx", ExcelVersion.Version2013);
    }
}