百度API制作地图上的拆线图（经纬度）与标注！
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<c:set var="contextPath" value="${pageContext.request.contextPath}"></c:set>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title></title>
<meta charset="utf-8" />
<!--引用百度地图API-->
<style type="text/css">
html,body{margin:0;padding:0;}
.iw_poi_title {color:#CC5522;font-size:14px;font-weight:bold;overflow:hidden;padding-right:13px;white-space:nowrap}
.iw_poi_content {font:12px arial,sans-serif;overflow:visible;padding-top:4px;white-space:-moz-pre-wrap;word-wrap:break-word}
</style>
<!-- <script type="text/javascript" src="http://api.map.baidu.com/api?v=1.4"></script> -->
<script type="text/javascript" src="js/arrow.js"></script>
<script type="text/javascript" src="http://webapi.amap.com/maps?v=1.3&key=b245ae8390f2ecdc0e5706241c28fc7b"></script>
</head>
<body>
<!--百度地图容器-->
<div style="height:550px;border:#ccc solid 1px;" id="dituContent"></div>
</body>
<script type="text/javascript">
//创建和初始化地图函数：
function initMap(){
createMap();//创建地图
setMapEvent();//设置地图事件
addMapControl();//向地图添加控件
addPolyline();//向地图中添加线
}
//创建地图函数：
function createMap(){
var map = new BMap.Map("dituContent");//在百度地图容器中创建一个地图
var point = new BMap.Point(117.972,41.025);//定义一个中心点坐标
map.centerAndZoom(point,15);//设定地图的中心点和坐标并将地图显示在地图容器中
window.map = map;//将map变量存储在全局
}
//地图事件设置函数：
function setMapEvent(){
map.enableDragging();//启用地图拖拽事件，默认启用(可不写)
map.enableScrollWheelZoom();//启用地图滚轮放大缩小
map.enableDoubleClickZoom();//启用鼠标双击放大，默认启用(可不写)
map.enableKeyboard();//启用键盘上下左右键移动地图
}
//地图控件添加函数：
function addMapControl(){
//向地图中添加缩放控件
var ctrl_nav = new BMap.NavigationControl({anchor:BMAP_ANCHOR_TOP_LEFT,type:BMAP_NAVIGATION_CONTROL_LARGE});
map.addControl(ctrl_nav);
//向地图中添加比例尺控件
var ctrl_sca = new BMap.ScaleControl({anchor:BMAP_ANCHOR_BOTTOM_LEFT});
map.addControl(ctrl_sca);
}
//标注线数组
var plPoints = [{weight:2,color:"blue",opacity:0.6,points:
["117.989|41.028",
"117.987|41.027",
"117.984|41.0266",
"117.980|41.026",
"117.972|41.025",
"117.962|41.021",
"117.956|41.018"
]}
];
//向地图中添加线函数
function addPolyline(){
for(var i=0;i<plPoints.length;i++){
var json = plPoints[i];
var points = [];
for(var j=0;j<json.points.length;j++){
var p1 = json.points[j].split("|")[0];
var p2 = json.points[j].split("|")[1];
points.push(new BMap.Point(p1,p2));
}
var line = new BMap.Polyline(points,{strokeWeight:json.weight,strokeColor:json.color,strokeOpacity:json.opacity});
map.addOverlay(line);
addArrow(line);
}
}
initMap();//创建和初始化地图
function addArrow(line){ //绘制标注的函数
var linePoint=line.getPath();//线的坐标串
var arrowCount=linePoint.length;
var end = new BMap.Marker(linePoint[linePoint.length-1]); // 创建标注
map.addOverlay(end); // 将标注添加到地图中
end.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画
var myIcon = new BMap.Icon("http://api0.map.bdimg.com/images/stop_icon.png", new BMap.Size(11,11));
for(var i =0;i<arrowCount;i++){ //在拐点处添加标注
var marker = new BMap.Marker(linePoint[i],{icon:myIcon}); // 创建标注
map.addOverlay(marker); // 将标注添加到地图中
var label = new BMap.Label("管道"+(i+20)+"号",{offset:new BMap.Size(5,10)});
label.setStyle({
color : "black",
fontSize : "15px",
height : "10px",
lineHeight : "15px",
backgroundColor:"rgba(255, 255, 255, 0.8) none repeat scroll 0 0 !important",//设置背景色透明
border:"0.1px solid red"
});
marker.setLabel(label);
}
}
</script>
</html>