layui table 行设置日期控件

var cols = [
    [
        {
            minWidth: 120,
            title: '年度',
            field: 'nd',
            align: 'center',
            edit: 'text',
            event: 'editNd'
        },
......
        {
            fixed: 'right',
            title: '操作',
            toolbar: '#operator_bar',
            align: 'center',
            width: '200'
        }
    ]
];
table.render({
      id: 'modelInfo',
      elem: '#modelInfo',
      data: data,
      page: false,
      cols: cols,
      skin: 'line',
      toolbar: '#middle-toolbar',
      defaultToolbar: []
});
  table.on('tool(modelInfo)', function (obj) {
     //行数据获取
    var data = obj.data;
    if(obj.event === 'editNd'){
        var field = $(this).data('field');
        laydate.render({
            elem: this.firstChild
            , show: true //直接显示
            , closeStop: this
            ,type:'year'
            , done: function (nowDate) {
                //时间选择完成，行数据更新
                data[field] = nowDate;
                obj.update(data);
            }
        });
    }
});