springboot layui hutool Excel导入的实现

<!-- 基本依赖包 -->
<dependency>
    <groupId>cn.hutool</groupId>
    <artifactId>hutool-all</artifactId>
    <version>5.3.8</version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml</artifactId>
    <version>4.0.0</version>
</dependency>

//①按钮
<button id="importData" class="layui-btn">导入</button>
//②//导入 用layui upload插件
    layui.use([ "element", "laypage", "layer", "upload"], function() {
        debugger;
        var element = layui.element;
        var laypage = layui.laypage;
        var layer = layui.layer;
        var upload = layui.upload;//主要是这个
        layui.upload.render({
            elem: "#importData",//导入id
            url: "/emp/importData",
            size: '3072',
            accept: "file",
            exts: 'xls|xlsx|xlsm|xlt|xltx|xltm',
            done: function (result) {
                if (result.status == 0) {
                    parent.layui.table.reload('LAY-app-emp-list');
                }
                if (result.message != null) {
                    parent.layui.table.reload('LAY-app-emp-list');
                    layer.msg(result.message)
                }
            }
        });
        // refreshTable()
    });

@PostMapping(value = "/importData")
@ResponseBody
public CommonResult importData(@RequestParam MultipartFile file) {
    //调用service方法，这个地方通过MultipartFile参数就可以接收到上传的Excel文件内容了
    empService.importTemplate(file);
    return CommonResult.success("上传成功");
}

@Override
public void importTemplate(MultipartFile file) {
    InputStream inputStream = null;
    try {
        inputStream = file.getInputStream();
    }catch (Exception e){
        logger.info("文件异常");
    }
    //指定输入流和sheet
    ExcelReader reader = ExcelUtil.getReader(inputStream, 0); 
    // 读取第二行到最后一行数据
    List<List<Object>> read = reader.read(1, reader.getRowCount());
    List<EmpDO> empDOS = new ArrayList<>();
    for (List<Object> objects : read) {
        EmpDO empDO = new EmpDO();
        //读取某行第一列数据
        Object sampleNo = objects.get(0);
        //读取某行第二列数据
        Object sampleName = objects.get(1);
        //员工id
        empDO.setEmpId(Integer.parseInt(sampleNo.toString()));
        //员工姓名
        empDO.setName(sampleName.toString());
        empDOS.add(empDO);
        //这里没有做数据插入到数据库的操作，我用的是mybatisplus
        System.out.println(empDO);
    }
}