调用场景后需要实现飞行功能，却一直无法实现，想问一下我的代码有没有问题
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<title>庐山东林寺场景</title>
<link href="css/widgets.css" rel="stylesheet">
<script type="text/javascript" src="js/require.min.js" data-main="js/main"></script>
<link href="Build/Cesium/Widgets/widgets.css" rel="stylesheet">
<link href="css/bootstrap.min.css" rel="stylesheet">
<script src="js/jquery.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="js/bootstrap-select.min.js"></script>
<style>
html, body, #cesiumContainer {
width: 100%; height: 100%; margin: 0; padding: 0;float: right;overflow: hidden;
}
.tools{
width: 20px;
height: 20px;
margin: 10px;
}
.tool{
width: 60px;
height: 30px;
}
</style>
<style type="text/css">
#header {
background-color:#FF9900;
color:black;
text-align:center;
padding:20px;
}
#left {
width:16%;
height: 100%;
float: left;
background-color: #eeeeee;
}
#cesiumContainer {
height: 100%;
width: 84%;
float: right;
}
</style>
</head>
<body>
<div id="header"><h3 style="color: #5F9EA0;">庐山东林寺三维场景</h3></div>
<div id="cesiumContainer"></div>
<div id="left">
<div id="toolbar" style="left : 0px; top : 5px;position: relative;width: 250px;height: 50px;float: left;">
<p>飞行控制模块</p>
<button id="play" class="tool" title="开始">开始</button>
<button id="pause" class="tool" title="暂停">暂停</button>
<button id="stop" class="tool" title="停止">停止</button>
</div>
<div style="width: 100px;position: relative;width: 40px;float: left;left:0px; margin-top: 50px;">
<select id="stopList" >
<!--<option disabled selected value>--选择站点--</option>-->
</select>
</div>
</div>
<script type="text/javascript">
var viewer,url;
url = "http://59.55.128.155:8090/iserver/services/3D-DLS/rest/realspace/datas/Config/config";
function onload(Cesium) {
viewer = new Cesium.Viewer('cesiumContainer');
var scene = viewer.scene;
var widget = viewer.cesiumWidget;
var toolbar = document.getElementById('toolbar')
try{
var promise = scene.addS3MTilesLayerByScp(url,{ name: 'DLS'});
Cesium.when(promise).then(function(layer){
scene.camera.setView({ destination : Cesium.Cartesian3.fromDegrees(115.943022878770010,29.602493888870001,1000)});
},function(e){
if (widget._showRenderLoopErrors) {
var title = 'An error occurred while rendering. Rendering has stopped.';
widget.showErrorPanel(title, undefined, e);
}
});
}
catch(e){
if (widget._showRenderLoopErrors) {
var title = 'An error occurred while rendering. Rendering has stopped.';
widget.showErrorPanel(title, undefined, e);
}
}
var routes = new Cesium.RouteCollection();
var fpfUrl ='./fpf/DLSflyroute.fpf';
routes.fromFile(fpfUrl);
//初始化飞行管理
var flyManager = new Cesium.FlyManager(scene,routes);
$('#play').onclick(function(){
flyManager && flyManager.play();
});
$('#pause').onclick(function(){
flyManager && flyManager.pause();
});
$('#stop').onclick(function(){
flyManager && flyManager.stop();
});
}
</script>
</body>
</html>
新手上车，希望能给出处理意见
