关于微信LBS 升级版后SOSO 地图用JAVA 实现导航功能

来源：互联网发布：知来者之可追古今异义编辑：程序博客网时间：2024/04/30 07:31

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'sosotd.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, minimum-scale=1, maximum-scale=1">

<style type="text/css">
*{
margin:0px;
padding:0px;
}
body, button, input, select, textarea {
font: 12px/16px Verdana, Helvetica, Arial, sans-serif;
}
</style>
<script charset="utf-8" src="http://map.soso.com/api/v2/main.js?key=“soso申请的ak码”"></script>
<script>

var map,
directionsService = new soso.maps.DrivingService({
complete : function(response){
var start = response.detail.start,
end = response.detail.end;

var anchor = new soso.maps.Point(6, 6),
size = new soso.maps.Size(24, 36),
start_icon = new soso.maps.MarkerImage(
'img/busmarker.png',
size,
new soso.maps.Point(0, 0),
anchor
),
end_icon = new soso.maps.MarkerImage(
'img/busmarker.png',
size,
new soso.maps.Point(24, 0),
anchor

);
start_marker && start_marker.setMap(null);
end_marker && end_marker.setMap(null);
clearOverlay(route_lines);

start_marker = new soso.maps.Marker({
icon: start_icon,
position: start.latLng,
map: map,
zIndex:1
});
end_marker = new soso.maps.Marker({
icon: end_icon,
position: end.latLng,
map: map,
zIndex:1
});
directions_routes = response.detail.routes;
var routes_desc=[];
//所有可选路线方案
for(var i = 0;i < directions_routes.length; i++){
var route = directions_routes[i],
legs = route;
//调整地图窗口显示所有路线
map.fitBounds(response.detail.bounds);
//所有路程信息
//for(var j = 0 ; j < legs.length; j++){
var steps = legs.steps;
route_steps = steps;
polyline = new soso.maps.Polyline(
{
path: route.path,
strokeColor: '#3893F9',
strokeWeight: 6,
map: map
}
)
route_lines.push(polyline);
//所有路段信息
for(var k = 0; k < steps.length; k++){
var step = steps[k];
//路段途经地标
directions_placemarks.push(step.placemarks);
//转向
var turning = step.turning,
img_position;;
switch(turning.text){
case '左转':
img_position = '0px 0px'
break;
case '右转':
img_position = '-19px 0px'
break;
case '直行':
img_position = '-38px 0px'
break;
case '偏左转':
case '靠左':
img_position = '-57px 0px'
break;
case '偏右转':
case '靠右':
img_position = '-76px 0px'
break;
case '左转调头':
img_position = '-95px 0px'
break;
default:
mg_position = ''
break;
}
var turning_img = '  <span'+
' style="margin-bottom: -4px;'+
'display:inline-block;background:'+
'url(img/turning.png) no-repeat '+
img_position+';width:19px;height:'+
'19px"></span> ' ;
var p_attributes = [
'onclick="renderStep('+k+')"',
'onmouseover=this.style.background="#eee"',
'onmouseout=this.style.background="#fff"',
'style="margin:5px 0px;cursor:pointer"'
].join(' ');
routes_desc.push('<p '+p_attributes+' ><b>'+(k+1)+
'.</b>'+turning_img+step.instructions);
}
//}
}
//方案文本描述
var routes=document.getElementById('routes');
routes.innerHTML = routes_desc.join('<br>');
}
}),
directions_routes,
directions_placemarks = [],
directions_labels = [],
start_marker,
end_marker,
route_lines = [],
step_line,
route_steps = [];

function init(lat1,lng1) {
map = new soso.maps.Map(document.getElementById("container"), {
// 地图的中心地理坐标。
//center: new soso.maps.LatLng(39.916527,116.397128)
center: new soso.maps.LatLng(lat1,lng1)
// alert(lat);
});
calcRoute();
}
function calcRoute() {
var start_name = document.getElementById("start").value.split(",");
var end_name = document.getElementById("end").value.split(",");
var policy = document.getElementById("policy").value;
//var ss=str.split("@");
route_steps = [];
var city = document.getElementById("city").value;

directionsService.setLocation(city);
directionsService.setPolicy(soso.maps.DrivingPolicy[policy]);
directionsService.search(new soso.maps.LatLng(start_name[1], start_name[0]), new soso.maps.LatLng(end_name[1], end_name[0]));
}
//清除地图上的marker
function clearOverlay(overlays){
var overlay;
while(overlay = overlays.pop()){
overlay.setMap(null);
}
}
function renderStep(index){
var step = route_steps[index];
//clear overlays;
step_line && step_line.setMap(null);
//draw setp line
step_line = new soso.maps.Polyline(
{
path: step.path,
strokeColor: '#ff0000',
strokeWeight: 6,
map: map
}
)
}
//显示路段路标
function showP(){
var showPlacemark = document.getElementById('sp');
if(showPlacemark.checked){
for(var i=0;i<directions_placemarks.length;i++){
var placemarks = directions_placemarks[i];
for(var j=0;j<placemarks.length;j++){
var placemark = placemarks[j];
var label = new soso.maps.Label({
map: map,
position: placemark.latLng,
content:placemark.name
});
directions_labels.push(label);
}
}
}else{
clearOverlay(directions_labels);
}
}
</script>
</head>
<%
String str=request.getParameter("str"); // 结合微信经纬度传值过了的是lat@lng@lat1@lng1@city
String[] latlng=str.split("@");
String lat=latlng[0];
String lng=latlng[1];
String lat1=latlng[2];
String lng1=latlng[3];
String city=latlng[4]; //最笨的方法分割处理
System.out.println(city);
System.out.println(lat);
System.out.println(lng);
%>

<body onload="init(<%=lat1%>,<%=lng1%>);">
<div style='margin:5px 0px'>


<input id="start" name="start" type="hidden" onchange="calcRoute();" value="<%=lng%>,<%=lat%>">
<input id="end" name="end" type="hidden" onchange="calcRoute();" value="<%=lng1%>,<%=lat1%>" >
<input id="city" type="hidden" onchange="calcRoute();" value="'<%=city%>'">
<b>计算策略：</b>
<select id="policy" onchange="calcRoute();">
<option value="LEAST_TIME">最少时间</option>
<option value="LEAST_DISTANCE">最短距离</option>
<option value="AVOID_HIGHWAYS">避开高速</option>
<option value="REAL_TRAFFIC">实时路况</option>
<option value="PREDICT_TRAFFIC">预测路况</option>
</select>
<label>
<input id="sp" type="checkbox" value='1' onclick='showP()'/>
显示路段地标
</label>
</div>
<div style="width:603px;height:300px" id="container"></div>
<div style="width:603px;padding-top:5px" id="routes"></div>
</body>
</html>