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google地图的路线实现代码
摘要:复制代码代码如下://addbyahuinan2009-8-17//initialize(23.165613663312594,113.35...

复制代码 代码如下:

<script language="javascript" type="text/javascript">

//add by ahuinan 2009-8-17

//initialize(23.165613663312594,113.35968017578125)

var map;

var gdir;

var marker2;

var hasMarker = false;

var hotelLatLng = new GLatLng(<%=initxy %>);//初始化酒店的坐标

var polyline;

var points = [];

points[1] = hotelLatLng;

function initialize() {

if (GBrowserIsCompatible()) {

map = new GMap2(document.getElementById("divMap"), { googleBarOptions: { showOnLoad: true} });

gdir = new GDirections(map);

map.setCenter(hotelLatLng, 9);

map.addControl(new GOverviewMapControl());

map.addControl(new GLargeMapControl());

//加入搜索框

map.enableGoogleBar();

map.enableScrollWheelZoom();

//创建酒店的标注,不可拖动

var hotelMarker = new GMarker(new GLatLng(<%=initxy %>));

map.addOverlay(hotelMarker);

//鼠标左键可以建立一个标记,

GEvent.addListener(map,"click",function(overlay,latlng,overlaylatlng){

if(latlng == null || hasMarker == true){

return;

}

var greenIcon = new GIcon(G_DEFAULT_ICON);

greenIcon.image = "../googlemap/green-dot.png";

greenIcon.iconSize = new GSize(32,32);

greenIcon.iconAnchor = new GPoint(16,32);

greenIcon.shadowSize=new GSize(56,33);

marker2 = new GMarker(latlng,{draggable: true,icon:greenIcon});

map.addOverlay(marker2);

GEvent.addListener(marker2,"dragend",function(){

points[0] = marker2.getLatLng();

gdir.loadFromWaypoints(points,{"preserveViewport":true});

})

GEvent.addListener(gdir, "addoverlay", function(){

for (var i=0; i<=gdir.getNumRoutes(); i++){

var originalMarker = gdir.getMarker(i);

map.removeOverlay(originalMarker);

}

polyline = gdir.getPolyline();

polyline.setStrokeStyle({color:"red",weight:2,opacity:1});

// map.addOverlay(polyline);

});

hasMarker = true;

points[0] = latlng;

gdir.loadFromWaypoints(points,{"preserveViewport":true});

})

}

}

//按下添加按钮

function add(){

if(points.length == 1){

alert("没有线路,终止操作");

}else{

window.opener.document.getElementById("txtHI_MapMarkDesc").value = window.opener.document.getElementById("txtHI_MapMarkDesc").value+"n"+document.getElementById("txtName").value+"||||"+document.getElementById("txtType").value+"||||"+points[0]+"n";

window.close();

}

}

window.onload = function() {

initialize()

}

</script>

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