//创建楼层选择器
function creatFloorChoose() {
    var floorsign =
        `<div id="floorChooseDiv" class="showFloorBtn">         
        
        <div value='close' onclick="handleSide()"  class ="closeIocn"  id='rightSideSwitch'></div>
        </div>`;

    $('#div2d').append($(floorsign));