百度地图在java项目中的应用、搜索及定位点

来源：互联网发布：贵州大数据峰会马云编辑：程序博客网时间：2024/06/06 02:51

此段代码是在java项目前台JS中引用百度地图进行固定点的定位以及位置的搜索功能：

<%@ page language="java" contentType="text/html; charset=GBK" pageEncoding="GBK"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta name="viewport" content="initial-scale=1.0, user-scalable=no" /><style type="text/css">body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}</style><script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=kRHuqFbkaoDcf5CsmOY0fwl"></script><title>地图展示</title></head><body onload="load()"><%    String scname = request.getParameter("scname");    if (scname == null) {        scname = "";    } else {        scname = new String(scname.getBytes("iso-8859-1"), "gbk");    }%><form action="#"><input type="text" name="scname" value="<%=scname%>" id="scname" /><input type="submit" value="提交" /></form><div id="allmap"></div></body></html><script type="text/javascript">

//使用HTTP 响应头信息中的 X-Frame-Options 属性防止网页被Frame(function () {    if (window != window.top) {            window.top.location.replace(window.location); //或者干别的事情     }})();//新建三个地图上点var points = [  {"lng":121.432148,"lat":31.215945,"url":"http://www.hyhouse.com/","id":1,"name":"华燕房盟"},{"lng":121.45708,"lat":31.25203,"url":"https://shhgkj9863.cn.china.cn/","id":2,"name":"华盖科技"},   {"lng":121.409411,"lat":31.178121,"url":"http://www.zhongxicpa.com/","id":3,"name":"中喜"},  {"lng":121.328515,"lat":31.099366,"url":"http://shtianxin.com/","id":3,"name":"天信网络"}  ]; //创建标注点并添加到地图中function addMarker(points) {    //循环建立标注点    for(var i=0, pointsLen = points.length; i<pointsLen; i++) {        var point = new BMap.Point(points[i].lng, points[i].lat); //将标注点转化成地图上的点        var marker = new BMap.Marker(point); //将点转化成标注点        map.addOverlay(marker);  //将标注点添加到地图上        //添加监听事件        (function() {            var thePoint = points[i];            marker.addEventListener("click",                function() {                showInfo(this,thePoint);            });         })();      }}function showInfo(thisMarker,point) {    //获取点的信息    var sContent = '<ul style="margin:0 0 5px 0;padding:0.2em 0">'      +'<li style="line-height: 26px;font-size: 15px;">'      +'<span style="width: 50px;display: inline-block;">id：</span>' + point.id + '</li>'      +'<li style="line-height: 26px;font-size: 15px;">'      +'<span style="width: 50px;display: inline-block;">名称：</span>' + point.name + '</li>'      +'<li style="line-height: 26px;font-size: 15px;"><span style="width: 50px;display: inline-block;">查看：</span><a href="'+point.url+'">详情</a></li>'      +'</ul>';    var infoWindow = new BMap.InfoWindow(sContent); //创建信息窗口对象    thisMarker.openInfoWindow(infoWindow); //图片加载完后重绘infoWindow}// 百度地图API功能var map = new BMap.Map("allmap");    // 创建Map实例map.centerAndZoom(new BMap.Point(121.4, 31.2), 12);  // 初始化地图,设置中心点坐标和地图级别map.addControl(new BMap.MapTypeControl());   //添加地图类型控件map.addControl(new BMap.NavigationControl());    //添加控件：缩放地图的map.addControl(new BMap.ScaleControl());        //添加控件：地图显示比例的控件，默认在左下方；    map.addControl(new BMap.OverviewMapControl());  //添加控件：地图的缩略图的控件，默认在右下方； TrafficControl    map.setCurrentCity("上海");          // 设置地图显示的城市 此项是必须设置的map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放addMarker(points);//搜索 function load() {        var scname = document.forms[0].scname.value;         if (scname != null && scname.length > 0) {            var local = new BMap.LocalSearch("上海市", {                renderOptions : {                    map : map,                    panel : "results",                    autoViewport : true,                    selectFirstResult : false                }            });             local.search(scname);        }    }</script>

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