0717

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>Track</title>

<style type="text/css">
html{height:100%}
body{height:100%;margin:0px;padding:0px}
#controller{100%; border-bottom:3px outset; height:30px; filter:alpha(Opacity=100); -moz-opacity:1; opacity:1; z-index:10000; background-color:lightblue;}
#container{height:100%}
</style>

}

var map; //百度地图对象
var car; //汽车图标
var label; //信息标签
var centerPoint;

var timer; //定时器
var index = 0; //记录播放到第几个point

var followChk, playBtn, pauseBtn, resetBtn; //几个控制按钮

function init() {

followChk = document.getElementById("follow");
playBtn = document.getElementById("play");
pauseBtn = document.getElementById("pause");
resetBtn = document.getElementById("reset");

//初始化地图,选取第一个点为起始点
map = new BMap.Map("container");
map.centerAndZoom(points[0], 15);
map.enableScrollWheelZoom();
map.addControl(new BMap.NavigationControl());
map.addControl(new BMap.ScaleControl());
map.addControl(new BMap.OverviewMapControl({isOpen: true}));

//通过DrivingRoute获取一条路线的point
var driving = new BMap.DrivingRoute(map);
var driving1 = new BMap.DrivingRoute(map);

if (points.length%2 == 0){

driving.search(points[0], points[points.length/2]);

driving1.search(points[(points.length/2)+1], points[points.length-1]);
}else{
driving.search(points[0], points[(points.length+1)/2]);

driving1.search(points[((points.length+1)/2)+1], points[points.length-1]);
}

driving.setSearchCompleteCallback(function() {
//得到路线上的所有point
points = driving.getResults().getPlan(0).getRoute(0).getPath();
//画面移动到起点和终点的中间
centerPoint = new BMap.Point((points[0].lng + points[points.length - 1].lng) / 2, (points[0].lat + points[points.length - 1].lat) / 2);
map.panTo(centerPoint);
//连接所有点
map.addOverlay(new BMap.Polyline(points, {strokeColor: "black", strokeWeight: 5, strokeOpacity: 1}));
//map.addOverlay(new BMap.Polyline(points, {strokeColor: "black", strokeWeight: 5, strokeOpacity: 1}));
// map.addOverlay(new BMap.Polyline(points[1], {strokeColor: "black", strokeWeight: 5, strokeOpacity: 1}));

//显示小车子
label = new BMap.Label("", {offset: new BMap.Size(-20, -20)});
car = new BMap.Marker(points[0]);
car.setLabel(label);
map.addOverlay(car);

//点亮操作按钮
playBtn.disabled = false;
resetBtn.disabled = false;
});
driving1.setSearchCompleteCallback(function() {
//得到路线上的所有point

points1 = driving1.getResults().getPlan(0).getRoute(0).getPath();
for (var i=0; i < points1.length; i++) {
points.push(points1[i]);
}
//画面移动到起点和终点的中间
centerPoint = new BMap.Point((points[0].lng + points[points.length - 1].lng) / 2, (points[0].lat + points[points.length - 1].lat) / 2);
map.panTo(centerPoint);
//连接所有点
map.addOverlay(new BMap.Polyline(points, {strokeColor: "black", strokeWeight: 5, strokeOpacity: 1}));
//map.addOverlay(new BMap.Polyline(points, {strokeColor: "black", strokeWeight: 5, strokeOpacity: 1}));
// map.addOverlay(new BMap.Polyline(points[1], {strokeColor: "black", strokeWeight: 5, strokeOpacity: 1}));

//显示小车子
label = new BMap.Label("", {offset: new BMap.Size(-20, -20)});
car = new BMap.Marker(points[0]);
car.setLabel(label);
map.addOverlay(car);

//点亮操作按钮
playBtn.disabled = false;
resetBtn.disabled = false;
});
}

function play() {
playBtn.disabled = true;
pauseBtn.disabled = false;

var point = points[index];
if(index > 0) {
map.addOverlay(new BMap.Polyline([points[index - 1], point], {strokeColor: "red", strokeWeight: 1, strokeOpacity: 1}));
}
label.setContent("经度: " + point.lng + "<br>纬度: " + point.lat);
car.setPosition(point);
index++;
if(followChk.checked) {
map.panTo(point);
}
if(index < points.length) {
timer = window.setTimeout("play(" + index + ")", 200);
} else {
playBtn.disabled = true;
pauseBtn.disabled = true;
map.panTo(point);
}
}

function pause() {
playBtn.disabled = false;
pauseBtn.disabled = true;

if(timer) {
window.clearTimeout(timer);
}
}

function reset() {
followChk.checked = false;
playBtn.disabled = false;
pauseBtn.disabled = true;

if(timer) {
window.clearTimeout(timer);
}
index = 0;
car.setPosition(points[0]);
map.panTo(centerPoint);
}

</script>
</head>

<body onload="init();">
<div id="controller" align="center">
<input id="follow" type="checkbox"><span style="font-size:12px;">画面跟随</span></input>
<input id="play" type="button" value="播放1" onclick="play();" disabled />
<input id="pause" type="button" value="暂停" onclick="pause();" disabled />
<input id="reset" type="button" value="重置" onclick="reset()" disabled />

</div>
<div id="container"></div>
</body>
</html>