百度地图同时显示多个路书效果 js实现百度地图同时显示多个路书效果
屠龙灬世家 人气:0想了解js实现百度地图同时显示多个路书效果的相关内容吗，屠龙灬世家在本文为您仔细讲解百度地图同时显示多个路书效果的相关知识和一些Code实例，欢迎阅读和指正，我们先划重点：百度地图制作路书,百度地图路书js源码,百度地图api,路书，下面大家一起来学习吧。
本文介绍了js实现百度地图同时显示多个路书效果，主要是以自行车的还车地点作为实例，具体代码如下：
启动路书：
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=自己的ak"></script> <script type="text/javascript" src="js/lushu.js"></script><!--路书 -->
var BMapLib = window.BMapLib = BMapLib || {};
(function() {
var b, a = b = a || {
version : "1.5.0"
};
a.guid = "$BAIDU$";
(function() {
window[a.guid] = window[a.guid] || {};
a.dom = a.dom || {};
a.dom.g = function(e) {
if ("string" == typeof e || e instanceof String) {
return document.getElementById(e)
} else {
if (e && e.nodeName && (e.nodeType == 1 || e.nodeType == 9)) {
return e
}
}
return null
};
a.g = a.G = a.dom.g;
a.lang = a.lang || {};
a.lang.isString = function(e) {
return "[object String]" == Object.prototype.toString.call(e)
};
a.isString = a.lang.isString;
a.dom._g = function(e) {
if (a.lang.isString(e)) {
return document.getElementById(e)
}
return e
};
a._g = a.dom._g;
a.dom.getDocument = function(e) {
e = a.dom.g(e);
return e.nodeType == 9 ? e : e.ownerDocument || e.document
};
a.browser = a.browser || {};
a.browser.ie = a.ie = /msie (\d+\.\d+)/i.test(navigator.userAgent) ? (document.documentMode || +RegExp["\x241"])
: undefined;
a.dom.getComputedStyle = function(f, e) {
f = a.dom._g(f);
var h = a.dom.getDocument(f), g;
if (h.defaultView && h.defaultView.getComputedStyle) {
g = h.defaultView.getComputedStyle(f, null);
if (g) {
return g[e] || g.getPropertyValue(e)
}
}
return ""
};
a.dom._styleFixer = a.dom._styleFixer || {};
a.dom._styleFilter = a.dom._styleFilter || [];
a.dom._styleFilter.filter = function(f, j, k) {
for (var e = 0, h = a.dom._styleFilter, g; g = h[e]; e++) {
if (g = g[k]) {
j = g(f, j)
}
}
return j
};
a.string = a.string || {};
a.string.toCamelCase = function(e) {
if (e.indexOf("-") < 0 && e.indexOf("_") < 0) {
return e
}
return e.replace(/[-_][^-_]/g, function(f) {
return f.charAt(1).toUpperCase()
})
};
a.dom.getStyle = function(g, f) {
var i = a.dom;
g = i.g(g);
f = a.string.toCamelCase(f);
var h = g.style[f] || (g.currentStyle ? g.currentStyle[f] : "")
|| i.getComputedStyle(g, f);
if (!h) {
var e = i._styleFixer[f];
if (e) {
h = e.get ? e.get(g) : a.dom.getStyle(g, e)
}
}
if (e = i._styleFilter) {
h = e.filter(f, h, "get")
}
return h
};
a.getStyle = a.dom.getStyle;
a.dom._NAME_ATTRS = (function() {
var e = {
cellpadding : "cellPadding",
cellspacing : "cellSpacing",
colspan : "colSpan",
rowspan : "rowSpan",
valign : "vAlign",
usemap : "useMap",
frameborder : "frameBorder"
};
if (a.browser.ie < 8) {
e["for"] = "htmlFor";
e["class"] = "className"
} else {
e.htmlFor = "for";
e.className = "class"
}
return e
})();
a.dom.setAttr = function(f, e, g) {
f = a.dom.g(f);
if ("style" == e) {
f.style.cssText = g
} else {
e = a.dom._NAME_ATTRS[e] || e;
f.setAttribute(e, g)
}
return f
};
a.setAttr = a.dom.setAttr;
a.dom.setAttrs = function(g, e) {
g = a.dom.g(g);
for ( var f in e) {
a.dom.setAttr(g, f, e[f])
}
return g
};
a.setAttrs = a.dom.setAttrs;
a.dom.create = function(g, e) {
var h = document.createElement(g), f = e || {};
return a.dom.setAttrs(h, f)
};
a.object = a.object || {};
a.extend = a.object.extend = function(g, e) {
for ( var f in e) {
if (e.hasOwnProperty(f)) {
g[f] = e[f]
}
}
return g
}
})();
var c = BMapLib.LuShu = function(g, f, e) {
if (!f || f.length < 1) {
return
}
this._map = g;
this._path = f;
this.i = 0;
this._setTimeoutQuene = [];
this._projection = this._map.getMapType().getProjection();
this._opts = {
icon : null,
speed : 4000,
defaultContent : ""
};
this._setOptions(e);
this._rotation = 0;
if (!this._opts.icon instanceof BMap.Icon) {
this._opts.icon = defaultIcon
}
};
c.prototype._setOptions = function(e) {
if (!e) {
return
}
for ( var f in e) {
if (e.hasOwnProperty(f)) {
this._opts[f] = e[f]
}
}
};
c.prototype.start = function() {
var f = this, e = f._path.length;
if (f.i && f.i < e - 1) {
if (!f._fromPause) {
return
} else {
if (!f._fromStop) {
f._moveNext(++f.i)
}
}
} else {
f._addMarker();
f._timeoutFlag = setTimeout(function() {
f._addInfoWin();
if (f._opts.defaultContent == "") {
f.hideInfoWindow()
}
f._moveNext(f.i)
}, 400)
}
this._fromPause = false;
this._fromStop = false
}, c.prototype.stop = function() {
this.i = 0;
this._fromStop = true;
clearInterval(this._intervalFlag);
this._clearTimeout();
for (var g = 0, f = this._opts.landmarkPois, e = f.length; g < e; g++) {
f[g].bShow = false
}
};
c.prototype.pause = function() {
clearInterval(this._intervalFlag);
this._fromPause = true;
this._clearTimeout()
};
c.prototype.hideInfoWindow = function() {
this._overlay._div.style.visibility = "hidden"
};
c.prototype.showInfoWindow = function() {
this._overlay._div.style.visibility = "visible"
};
a.object
.extend(
c.prototype,
{
_addMarker : function(f) {
if (this._marker) {
this.stop();
this._map.removeOverlay(this._marker);
clearTimeout(this._timeoutFlag)
}
this._overlay
&& this._map.removeOverlay(this._overlay);
var e = new BMap.Marker(this._path[0]);
this._opts.icon && e.setIcon(this._opts.icon);
this._map.addOverlay(e);
e.setAnimation(BMAP_ANIMATION_DROP);
this._marker = e
},
_addInfoWin : function() {
var f = this;
var e = new d(f._marker.getPosition(),
f._opts.defaultContent);
e.setRelatedClass(this);
this._overlay = e;
this._map.addOverlay(e)
},
_getMercator : function(e) {
return this._map.getMapType().getProjection()
.lngLatToPoint(e)
},
_getDistance : function(f, e) {
return Math.sqrt(Math.pow(f.x - e.x, 2)
+ Math.pow(f.y - e.y, 2))
},
_move : function(n, j, m) {
var i = this, h = 0, e = 10, f = this._opts.speed
/ (1000 / e), l = this._projection
.lngLatToPoint(n), k = this._projection
.lngLatToPoint(j), g = Math.round(i
._getDistance(l, k)
/ f);
if (g < 1) {
i._moveNext(++i.i);
return
}
i._intervalFlag = setInterval(
function() {
if (h >= g) {
clearInterval(i._intervalFlag);
if (i.i > i._path.length) {
return
}
i._moveNext(++i.i)
} else {
h++;
var o = m(l.x, k.x, h, g), r = m(
l.y, k.y, h, g), q = i._projection
.pointToLngLat(new BMap.Pixel(
o, r));
if (h == 1) {
var p = null;
if (i.i - 1 >= 0) {
p = i._path[i.i - 1]
}
if (i._opts.enableRotation == true) {
i.setRotation(p, n, j)
}
if (i._opts.autoView) {
if (!i._map.getBounds()
.containsPoint(q)) {
i._map.setCenter(q)
}
}
}
i._marker.setPosition(q);
i._setInfoWin(q)
}
}, e)
},
setRotation : function(l, f, m) {
var j = this;
var e = 0;
f = j._map.pointToPixel(f);
m = j._map.pointToPixel(m);
if (m.x != f.x) {
var k = (m.y - f.y) / (m.x - f.x), g = Math
.atan(k);
e = g * 360 / (2 * Math.PI);
if (m.x < f.x) {
e = -e + 90 + 90
} else {
e = -e
}
j._marker.setRotation(-e)
} else {
var h = m.y - f.y;
var i = 0;
if (h > 0) {
i = -1
} else {
i = 1
}
j._marker.setRotation(-i * 90)
}
return
},
linePixellength : function(f, e) {
return Math.sqrt(Math.abs(f.x - e.x)
* Math.abs(f.x - e.x) + Math.abs(f.y - e.y)
* Math.abs(f.y - e.y))
},
pointToPoint : function(f, e) {
return Math.abs(f.x - e.x) * Math.abs(f.x - e.x)
+ Math.abs(f.y - e.y) * Math.abs(f.y - e.y)
},
_moveNext : function(e) {
var f = this;
if (e < this._path.length - 1) {
f._move(f._path[e], f._path[e + 1],
f._tween.linear)
}
},
_setInfoWin : function(g) {
var f = this;
if (!f._overlay) {
return
}
f._overlay.setPosition(g, f._marker.getIcon().size);
var e = f._troughPointIndex(g);
if (e != -1) {
clearInterval(f._intervalFlag);
f._overlay
.setHtml(f._opts.landmarkPois[e].html);
f._overlay.setPosition(g,
f._marker.getIcon().size);
f._pauseForView(e)
} else {
f._overlay.setHtml(f._opts.defaultContent)
}
},
_pauseForView : function(e) {
var g = this;
var f = setTimeout(function() {
g._moveNext(++g.i)
}, g._opts.landmarkPois[e].pauseTime * 1000);
g._setTimeoutQuene.push(f)
},
_clearTimeout : function() {
for ( var e in this._setTimeoutQuene) {
clearTimeout(this._setTimeoutQuene[e])
}
this._setTimeoutQuene.length = 0
},
_tween : {
linear : function(f, j, h, i) {
var e = f, l = j - f, g = h, k = i;
return l * g / k + e
}
},
_troughPointIndex : function(f) {
var h = this._opts.landmarkPois, j;
for (var g = 0, e = h.length; g < e; g++) {
if (!h[g].bShow) {
j = this._map.getDistance(new BMap.Point(
h[g].lng, h[g].lat), f);
if (j < 10) {
h[g].bShow = true;
return g
}
}
}
return -1
}
});
function d(e, f) {
this._point = e;
this._html = f
}
d.prototype = new BMap.Overlay();
d.prototype.initialize = function(e) {
var f = this._div = a.dom
.create(
"div",
{
style : "border:solid 1px #ccc;width:auto;min-width:50px;text-align:center;position:absolute;background:#fff;color:#000;font-size:12px;border-radius: 10px;padding:5px;white-space: nowrap;"
});
f.innerHTML = this._html;
e.getPanes().floatPane.appendChild(f);
this._map = e;
return f
};
d.prototype.draw = function() {
this.setPosition(this.lushuMain._marker.getPosition(),
this.lushuMain._marker.getIcon().size)
};
a.object.extend(d.prototype, {
setPosition : function(h, i) {
var f = this._map.pointToOverlayPixel(h), e = a.dom.getStyle(
this._div, "width"), g = a.dom
.getStyle(this._div, "height");
overlayW = parseInt(this._div.clientWidth || e, 10),
overlayH = parseInt(this._div.clientHeight || g, 10);
this._div.style.left = f.x - overlayW / 2 + "px";
this._div.style.bottom = -(f.y - i.height) + "px"
},
setHtml : function(e) {
this._div.innerHTML = e
},
setRelatedClass : function(e) {
this.lushuMain = e
}
})
})();
function showallrecord(starttime,endtime){//显示多条开始结束时间之间的自行车路书
var bikeId=null;
$.getJSON("./GetBickIdServlet",function(json){
bikeId = json;//所有自行车编号
});
var json={
"StartTime":starttime,//开始时间
"EndTime":endtime//结束时间
};
//创建二维数组，例如pointArray[i]中i自行车编号，pointArray[i][j]为编号为i的自行车的所有借还站点信息
$.getJSON("./GetAllRecordServlet",{json:JSON.stringify(json)},function(json){
var j = 0;
var stationlonlist=new Array();
var stationlatlist=new Array();
var pointArray=new Array();
var bikeIdlist = new Array();
for(var i = 0; i < bikeId.length; i++){
stationlonlist[i] = new Array();
stationlatlist[i] = new Array();
pointArray[i] = new Array();
bikeIdlist[i] = bikeId[i].BikeId;
}
var tt = json.length < 200?json.length:200;//如果查询出来的自行车借还站点记录多于200条，则显示200条。（待完善）
for (var row = 0; row < pointArray.length; row++) {
while (j < tt) {
var k = j;
var p = 0;
var stationlon = parseFloat(json[j].Stationlon);// String类型转换成float类型
stationlonlist[row][p]=stationlon;// 将stationlon放到stationlonlist里
var stationlat = parseFloat(json[j].Stationlat);
stationlatlist[row][p]=stationlat;// 将stationlat放到stationlatlist里
pointArray[row][p] = new BMap.Point(stationlon,stationlat);
while (bikeIdlist[row] == json[k + 1].BikeId) {
k++;
p++;
stationlon= parseFloat(json[k].Stationlon);// String类型转换成float类型
stationlonlist[row][p]=stationlon;// 将stationlon放到stationlonlist里
stationlat= parseFloat(json[k].Stationlat);
stationlatlist[row][p] =stationlat;// 将stationlat放到stationlatlist里
pointArray[row][p] = new BMap.Point(stationlon, stationlat);
}
addMarkertest(pointArray,row);//添加标记点
j = k + 1;
break;
}
var bikespeedtest = speedtest(pointArray,row);//每辆自行车路书的速度
polylinetest(pointArray,row,stationlonlist,stationlatlist);//每辆自行车借还站点间画折线
lushutest(pointArray,bikespeedtest,row,stationlonlist,stationlatlist);//每辆自行车借还站点的路书路径
}
map.setViewport(pointArray);
});
}
function speedtest(pointArray,row){//根据自行车的借还时间差来显示不同的路书速度（待完善）
var distance = 0;//直行车走过的路径长度
for(var i = 0; i < pointArray[row].length-1; i++){
distance += (map.getDistance(pointArray[row][i],pointArray[row][i+1]));//自行车借还站点的路径长度
}
return distance/20;//速度=路径长度/时间（此处时间固定，可改为根据数据库读取的时间）
}
//
function polylinetest(pointArray,row,stationlonlist,stationlatlist){
var points = new Array();
for(var i = 0; i < pointArray[row].length; i++){
points[i] = new BMap.Point(parseFloat(stationlonlist[row][i]), parseFloat(stationlatlist[row][i]));
}
//增加点与点之间的连线
var polyline = new BMap.Polyline(points, {
strokeColor : getColor(),
strokeWeight : 2,
strokeOpacity : 0.5
}); // 创建折线
map.addOverlay(polyline); // 绘制折线
}
//
function lushutest(pointArray,bikespeedtest,row,stationlonlist,stationlatlist){
var points = new Array();
for(var i = 0; i < pointArray[row].length; i++){
points[i] = new BMap.Point(parseFloat(stationlonlist[row][i]), parseFloat(stationlatlist[row][i]));
}
var lushu = new BMapLib.LuShu(map, points, {
defaultContent : "",
autoView : true, // 是否开启自动视野调整，如果开启那么路书在运动过程中会根据视野自动调整
icon : new BMap.Icon('photo/bike.png', new BMap.Size(22, 22), {
anchor : new BMap.Size(10, 25)
}),
// enableRotation: true, //是否设置marker随着道路的走向进行旋转
speed : bikespeedtest,
});
lushu.start();
}
//生成折线的随机颜色
function sj16(){
var sjshu=Math.round(Math.random()*10*2);
do
{
sjshu=Math.round(Math.random()*10*2);
}while (sjshu>=14);
return sjshu;
}
function getColor(){
var hex = ['1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'];
var yanse="";
for(i=0; i<6; i++){
yanse+=hex[sj16()];
}
return "#"+yanse
}
效果图：
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