Java地图专题课基本API BMapGLLib 地图找房案例 MongoDB-编程知识

本课程基于百度地图技术，由基础入门开始到应用实战，适合零基础入门学习。将企业项目中地图相关常见应用场景的落地实战，包括有地图找房、轻骑小程序、金运物流等。同时讲了基于Netty实现高性能的web服务，来处理高并发的问题。还讲解了海量坐标数据处理解决方案。

学完本课程能够收获：百度地图技术的应用、轨迹类场景、路线规划场景，电子围栏场景的开发，增长开发经验。

导学

地图场景与基础API

案例1：地图找房

案例2：轻骑项目

案例3：金运物流

高并发解决方案

海量数据存储解决方案

地图基础API与搜索

地图技术概述

地图应用场景

常用地图服务的比较

百度地图基本API应用

百度地图提供了各种平台的SDK，地址：百度地图开放平台 | 百度地图API SDK | 地图开发如下：

账号与API准备

设置应用名称与类型

JavaScript百度地图API项目

案例1：创建地图

创建地图的基本步骤如下：

编写HTML页面的基础代码

引入百度地图API文件

初始化地图逻辑以及设置各种参数

参考官方文档：

jspopularGL | 百度地图API SDK

页面效果：

<!DOCTYPE html>
<html>
<head><meta name="viewport" content="initial-scale=1.0, user-scalable=no" /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Baidu Map </title><style type="text/css">html{height:100%}body{height:100%;margin:0px;padding:0px}#container{height:100%}</style><script type="text/javascript" src="https://api.map.baidu.com/api?v=1.0&type=webgl&ak=1GH6ZiAb79MTpfRzmYDpTUPpB7SVImfN"></script>
</head>
<body>
<div id="container"></div>
<script type="text/javascript">var map = new BMapGL.Map("container");          // 创建地图实例var point = new BMapGL.Point(116.404, 39.915);  // 创建点坐标map.centerAndZoom(point, 15);                 // 初始化地图，设置中心点坐标和地图级别map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放map.setHeading(64.5);   //设置地图旋转角度map.setTilt(73);       //设置地图的倾斜角度var scaleCtrl = new BMapGL.ScaleControl();  // 添加比例尺控件map.addControl(scaleCtrl);var zoomCtrl = new BMapGL.ZoomControl();  // 添加缩放控件map.addControl(zoomCtrl);var cityCtrl = new BMapGL.CityListControl();  // 添加城市列表控件map.addControl(cityCtrl);
</script>
</body>
</html>

添加覆盖物

<!DOCTYPE html>
<html>
<head><meta name="viewport" content="initial-scale=1.0, user-scalable=no" /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Baidu Map - 覆盖物</title><style type="text/css">html{height:100%}body{height:100%;margin:0px;padding:0px}#container{height:100%}</style><script type="text/javascript" src="https://api.map.baidu.com/api?v=1.0&type=webgl&ak=LHHGlmhcb4ENvIXpR9QQ2tBYa6ooUowX"></script>
</head>
<body>
<div id="container"></div>
<script type="text/javascript">var map = new BMapGL.Map("container");          // 创建地图实例var point = new BMapGL.Point(116.404, 39.915);  // 创建点坐标map.centerAndZoom(point, 15);                 // 初始化地图，设置中心点坐标和地图级别map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放// var  point2 = new BMapGL.Point(116.380194,39.922018);// var marker = new BMapGL.Marker(point2);        // 创建标注// map.addOverlay(marker);                     // 将标注添加到地图中// var myIcon = new BMapGL.Icon("logo.png", new BMapGL.Size(180, 53), {//     // 指定定位位置。//     // 当标注显示在地图上时，其所指向的地理位置距离图标左上//     // 角各偏移10像素和25像素。您可以看到在本例中该位置即是//     // 图标中央下端的尖角位置。//     anchor: new BMapGL.Size(-10, 12),//     // 设置图片偏移。//     // 当您需要从一幅较大的图片中截取某部分作为标注图标时，您//     // 需要指定大图的偏移位置，此做法与css sprites技术类似。//     imageOffset: new BMapGL.Size(0, 0)   // 设置图片偏移// });// // 创建标注对象并添加到地图// var marker = new BMapGL.Marker(point, {icon: myIcon});// map.addOverlay(marker);//// marker.addEventListener("click", function(){//     alert("您点击了标注");// });// 折线var polyline = new BMapGL.Polyline([new BMapGL.Point(116.399, 39.910),new BMapGL.Point(116.405, 39.920),new BMapGL.Point(116.425, 39.900)], {strokeColor:"blue", strokeWeight:2, strokeOpacity:0.8});map.addOverlay(polyline);//多边形var polygon = new BMapGL.Polygon([new BMapGL.Point(116.387112,39.920977),new BMapGL.Point(116.385243,39.913063),new BMapGL.Point(116.394226,39.917988),new BMapGL.Point(116.401772,39.921364),new BMapGL.Point(116.41248,39.927893)], {strokeColor:"blue", strokeWeight:2, strokeOpacity:0.5});map.addOverlay(polygon);//圆形var circle = new BMapGL.Circle(point , 1000, {strokeColor:"red",strokeOpacity:0.8,strokeWeight:3});map.addOverlay(circle);</script>
</body>
</html>

地图事件

<!DOCTYPE html>
<html>
<head><meta name="viewport" content="initial-scale=1.0, user-scalable=no" /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Baidu Map - 事件</title><style type="text/css">html{height:100%}body{height:100%;margin:0px;padding:0px}#container{height:100%}</style><script type="text/javascript" src="https://api.map.baidu.com/api?v=1.0&type=webgl&ak=LHHGlmhcb4ENvIXpR9QQ2tBYa6ooUowX"></script>
</head>
<body>
<div id="container"></div>
<script type="text/javascript">var map = new BMapGL.Map("container");          // 创建地图实例var point = new BMapGL.Point(116.404, 39.915);  // 创建点坐标map.centerAndZoom(point, 15);                 // 初始化地图，设置中心点坐标和地图级别map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放// map.addEventListener('click', function(e) {//     alert('click!')// });map.addEventListener('click', function(e) {alert('点击的经纬度：' + e.latlng.lng + ', ' + e.latlng.lat);var mercator = map.lnglatToMercator(e.latlng.lng, e.latlng.lat);alert('点的墨卡托坐标：' + mercator[0] + ', ' + mercator[1]);});</script>
</body>
</html>

地图样式

<!DOCTYPE html>
<html>
<head><meta name="viewport" content="initial-scale=1.0, user-scalable=no" /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Baidu Map - 变更地图样式</title><style type="text/css">html{height:100%}body{height:100%;margin:0px;padding:0px}#container{height:100%}</style><script type="text/javascript" src="https://api.map.baidu.com/api?v=1.0&type=webgl&ak=LHHGlmhcb4ENvIXpR9QQ2tBYa6ooUowX"></script>
</head>
<body>
<div id="container"></div>
<script type="text/javascript">var map = new BMapGL.Map("container");          // 创建地图实例var point = new BMapGL.Point(116.404, 39.915);  // 创建点坐标map.centerAndZoom(point, 15);                 // 初始化地图，设置中心点坐标和地图级别map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放map.setMapType(BMAP_EARTH_MAP);      // 设置地图类型为地球模式</script>
</body>
</html>

地图检索

<!DOCTYPE html>
<html>
<head><meta name="viewport" content="initial-scale=1.0, user-scalable=no" /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Baidu Map - 搜索兴趣点</title><style type="text/css">html{height:100%}body{height:100%;margin:0px;padding:0px}#container{height:100%}</style><script type="text/javascript" src="https://api.map.baidu.com/api?v=1.0&type=webgl&ak=LHHGlmhcb4ENvIXpR9QQ2tBYa6ooUowX"></script>
</head>
<body>
<div id="container"></div>
<script type="text/javascript">var map = new BMapGL.Map("container");          // 创建地图实例var point = new BMapGL.Point(116.404, 39.915);  // 创建点坐标map.centerAndZoom(point, 15);                 // 初始化地图，设置中心点坐标和地图级别map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放var local = new BMapGL.LocalSearch(map, {renderOptions:{map: map},pageCapacity:100});local.search("银行");
</script>
</body>
</html>

<!DOCTYPE html>
<html>
<head><meta name="viewport" content="initial-scale=1.0, user-scalable=no" /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Baidu Map - 圆形范围搜索兴趣点</title><style type="text/css">html{height:100%}body{height:100%;margin:0px;padding:0px}#container{height:100%}</style><script type="text/javascript" src="https://api.map.baidu.com/api?v=1.0&type=webgl&ak=LHHGlmhcb4ENvIXpR9QQ2tBYa6ooUowX"></script>
</head>
<body>
<div id="container"></div>
<script type="text/javascript">var map = new BMapGL.Map("container");          // 创建地图实例var point = new BMapGL.Point(116.404, 39.915);  // 创建点坐标map.centerAndZoom(point, 15);                 // 初始化地图，设置中心点坐标和地图级别map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放var circle = new BMapGL.Circle(point,2000,{fillColor:"blue", strokeWeight: 1 ,fillOpacity: 0.3, strokeOpacity: 0.3});map.addOverlay(circle);var local =  new BMapGL.LocalSearch(map, {renderOptions: {map: map, autoViewport: false}});local.searchNearby('景点',point,2000);</script>
</body>
</html>

数据可视化

MapV开发文档

百度地图web API应用

地址： web服务API | 百度地图API SDK

案例一：坐标转换

package cn.itcast.baidumap;
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpRequest;
import org.junit.Test;public class TestBaiduWebApi {private String ak = "64Ut0Peo2Dsb1l43FRl1nReM0tBdpE3L";/*** 测试坐标转换服务*/@Testpublic void testGeoconv() {String url = "https://api.map.baidu.com/geoconv/v1/?coords=114.21892734521,29.575429778924&from=1&to=5&ak={}";url = StrUtil.format(url, ak);//发起get请求String body = HttpRequest.get(url).execute().body();System.out.println(body);}/*** 测试IP定位服务*/@Testpublic void testLocation(){String url = "https://api.map.baidu.com/location/ip?ak={}&ip=140.206.149.83&coor=bd09ll";url = StrUtil.format(url, ak);//发起get请求String body = HttpRequest.get(url).execute().body();System.out.println(body);}/*** 测试地点输入提示服务*/@Testpublic void testSuggestion(){String url = "https://api.map.baidu.com/place/v2/suggestion?query=清华大&region=北京&city_limit=true&output=json&ak={}";url = StrUtil.format(url, ak);//发起get请求String body = HttpRequest.get(url).execute().body();System.out.println(body);}/*** 测试路线规划*/@Testpublic void testDriving(){String url = "https://api.map.baidu.com/direction/v2/driving?alternatives=1&origin=40.009645,116.333374&destination=39.937016,116.453576&ak={}";url = StrUtil.format(url, ak);//发起get请求String body = HttpRequest.get(url).execute().body();System.out.println(body);}
}

案例二：IP定位服务

案例三：地点输入提示服务

案例四：路线规划

综合案例：地图找房

BMapGLLib

GitHub - huiyan-fe/BMapGLLib: 百度地图JSAPI GL版JavaScript开源工具库

<!DOCTYPE html>
<html>
<head><meta name="viewport" content="initial-scale=1.0, user-scalable=no"/><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><title>地图找房 - 地图搜索 </title><style type="text/css">html {height: 100%}body {height: 100%;margin: 0px;padding: 0px}#container {height: 100%}.district {width: 84px;height: 84px;line-height: 16px;font-size: 12px;display: flex;flex-direction: column;justify-content: center;border: 1px solid transparent;border-radius: 50%;overflow: hidden;text-align: center;font-family: PingFangSC-Semibold;color: #fff;background: #00ae66 !important;box-sizing: border-box;}.district i {font-size: 12px;color: hsla(0, 0%, 100%, .7);line-height: 12px;margin-top: 4px;font-style: normal;}#platform > div > div > div {background: none !important;}</style><script type="text/javascript" src="jquery-3.6.0.min.js"></script><script type="text/javascript"src="http://api.map.baidu.com/api?v=1.0&type=webgl&ak=LHHGlmhcb4ENvIXpR9QQ2tBYa6ooUowX"></script><script src="http://mapopen.bj.bcebos.com/github/BMapGLLib/RichMarker/src/RichMarker.min.js"></script>
</head>
<body>
<div id="container"></div>
<script type="application/javascript">function showInfo(map) {let bound = map.getBounds(); //可视范围矩形坐标，其中sw表示矩形区域的西南角，参数ne表示矩形区域的东北角let zoom = map.getZoom(); //缩放级别console.log(bound);console.log(zoom);$.ajax({url: "/house/search",data: {maxLongitude: bound.ne.lng,minLongitude: bound.sw.lng,maxLatitude: bound.ne.lat,minLatitude: bound.sw.lat,zoom: zoom},success: function (data) {showMapMarker(data, map);}});//测试效果：// let data = [{"name":"徐汇","price":"1028.43","total":"6584","longitude":121.43676,"latitude":31.18831},{"name":"黄浦","price":"1016.19","total":"7374","longitude":121.49295,"latitude":31.22337},{"name":"长宁","price":"1008.34","total":"4380","longitude":121.42462,"latitude":31.22036},{"name":"静安","price":"1005.34","total":"8077","longitude":121.4444,"latitude":31.22884},{"name":"普陀","price":"1026.14","total":"5176","longitude":121.39703,"latitude":31.24951},{"name":"金山","price":"1099.67","total":"6","longitude":121.34164,"latitude":30.74163},{"name":"松江","price":"1017.71","total":"14","longitude":121.22879,"latitude":31.03222},{"name":"青浦","price":"1038.11","total":"751","longitude":121.12417,"latitude":31.14974},{"name":"奉贤","price":"1108.63","total":"35","longitude":121.47412,"latitude":30.9179},{"name":"浦东","price":"1030.22","total":"8294","longitude":121.5447,"latitude":31.22249},{"name":"嘉定","price":"1041.45","total":"1620","longitude":121.2655,"latitude":31.37473},{"name":"宝山","price":"1050.65","total":"102","longitude":121.4891,"latitude":31.4045},{"name":"闵行","price":"1027.15","total":"941","longitude":121.38162,"latitude":31.11246},{"name":"杨浦","price":"1007.78","total":"2747","longitude":121.526,"latitude":31.2595},{"name":"虹口","price":"1025.81","total":"4187","longitude":121.48162,"latitude":31.27788}];// showMapMarker(data, map);}//显示覆盖物function showMapMarker(data, map) {for (let vo of data) {let html = "<div class=\"district\">" + vo.name + "<span>" + vo.price + "万</span><i>" + vo.total + "套</i></div>";let marker = new BMapGLLib.RichMarker(html, new BMapGL.Point(vo.longitude, vo.latitude));map.addOverlay(marker);}}//清除覆盖物function clearMapMarker(map) {let markers = map.getOverlays(); //获取到地图上所有的覆盖物for (let marker of markers) { //循环将其删除map.removeOverlay(marker);}}$(function () {//地图默认位置，上海市let defaultX = 121.48130241985999;let defaultY = 31.235156971414239;let defaultZoom = 12; //默认缩放比例let map = new BMapGL.Map("container");          // 创建地图实例let point = new BMapGL.Point(defaultX, defaultY);  // 创建点坐标map.centerAndZoom(point, defaultZoom);                 // 初始化地图，设置中心点坐标和地图级别map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放//显示比例尺map.addControl(new BMapGL.ScaleControl({anchor: BMAP_ANCHOR_BOTTOM_RIGHT}));map.addEventListener("dragstart", () => {  //拖动开始事件clearMapMarker(map)});map.addEventListener("dragend", () => { //拖动结束事件showInfo(map)});map.addEventListener("zoomstart", () => { //缩放开始事件clearMapMarker(map)});map.addEventListener("zoomend", () => { //缩放结束事件showInfo(map)});//初始显示数据showInfo(map);});
</script>
</body>
</html>

通过docker安装MongoDB

#拉取镜像
docker pull mongo:4.0.3#创建容器
docker create --name mongodb-server -p 27017:27017 -v mongodb-data:/data/db mongo:4.0.3 --auth#启动容器
docker start mongodb-server#进入容器
docker exec -it mongodb-server /bin/bash#进入admin数据库
mongo
use admin#添加管理员，其拥有管理用户和角色的权限
db.createUser({ user: 'root', pwd: 'root', roles: [ { role: "root", db: "admin" } ] })
#退出后进行认证#进行认证
mongo -u "root" -p "root" --authenticationDatabase "admin"#通过admin添加普通用户
use admin
db.createUser({ user: 'house', pwd: 'oudqBFGmGY8pU6WS', roles: [ { role: "readWrite", db: "house" } ] });#通过tanhua用户登录进行测试
mongo -u "house" -p "oudqBFGmGY8pU6WS" --authenticationDatabase "admin"#发现可以正常进入控制台进行操作

构造数据

爬虫代码

package cn.itcast.baidumap.wm;import cn.hutool.core.util.StrUtil;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import cn.itcast.baidumap.pojo.BusinessCircle;
import cn.itcast.baidumap.pojo.Community;
import cn.itcast.baidumap.pojo.District;
import cn.itcast.baidumap.util.BaiduApiUtil;
import org.bson.types.ObjectId;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.geo.GeoJsonPoint;
import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Site;
import us.codecraft.webmagic.processor.PageProcessor;public class CommunityPageProcessor implements PageProcessor {private District district;private BusinessCircle businessCircle;private MongoTemplate mongoTemplate;public CommunityPageProcessor(District district, BusinessCircle businessCircle, MongoTemplate mongoTemplate) {this.district = district;this.businessCircle = businessCircle;this.mongoTemplate = mongoTemplate;}@Overridepublic void process(Page page) {Document html = Jsoup.parse(page.getRawText()); //解析htmlElements elements = html.select("div.info div.title a"); //获取数据链接对象for (Element element : elements) {Community community = new Community();community.setId(ObjectId.get());community.setName(element.text()); //获取小区名称community.setLianJiaUrl(element.attr("href")); //获取链接community.setBusinessCircleCode(this.businessCircle.getCode());community.setDistrictCode(this.district.getCode());String address = StrUtil.format("上海市{}{}{}",this.district.getName(),this.businessCircle.getName(),community.getName());//通过百度地图api查询地址对应的经纬度double[] coordinate = BaiduApiUtil.queryCoordinateByAddress(address);community.setLocation(new GeoJsonPoint(coordinate[0], coordinate[1]));this.mongoTemplate.save(community);}//设置分页String pageData = html.select("div[page-data]").attr("page-data");JSONObject pageJson = JSONUtil.parseObj(pageData);Integer totalPage = pageJson.getInt("totalPage", 1);Integer curPage = pageJson.getInt("curPage", 1);if (curPage < totalPage) {String url = businessCircle.getLianJiaUrl() + "pg" + (curPage + 1);page.addTargetRequest(url);}}@Overridepublic Site getSite() {//失败重试3次，每次抓取休息200毫秒return Site.me().setRetryTimes(3).setSleepTime(200);}
}

MongoDB的聚合操作

实现搜索—分析

POJO类、Vo类

Controller

package cn.itcast.baidumap.controller;import cn.itcast.baidumap.service.HouseSearchService;
import cn.itcast.baidumap.vo.HouseResultVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;import java.util.List;@RequestMapping("house/search")
@RestController
public class HouseSearchController {@Autowiredprivate HouseSearchService houseSearchService;/*** 地图找房搜索服务** @param maxLongitude 最大经度* @param minLongitude 最小经度* @param maxLatitude  最大纬度* @param minLatitude  最小纬度* @param zoom         地图缩放比例值* @return*/@GetMappingpublic List<HouseResultVo> search(@RequestParam("maxLongitude") Double maxLongitude,@RequestParam("minLongitude") Double minLongitude,@RequestParam("maxLatitude") Double maxLatitude,@RequestParam("minLatitude") Double minLatitude,@RequestParam("zoom") Double zoom) {return this.houseSearchService.search(maxLongitude, minLongitude, maxLatitude, minLatitude, zoom);}
}

Service

package cn.itcast.baidumap.service;import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.NumberUtil;
import cn.itcast.baidumap.pojo.BusinessCircle;
import cn.itcast.baidumap.pojo.Community;
import cn.itcast.baidumap.pojo.District;
import cn.itcast.baidumap.pojo.House;
import cn.itcast.baidumap.vo.HouseResultVo;
import com.mongodb.internal.operation.AggregateOperation;
import org.bson.types.ObjectId;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.geo.Box;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.aggregation.*;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;import java.util.ArrayList;
import java.util.Collections;
import java.util.List;@Service
public class HouseSearchService {@Autowiredprivate MongoTemplate mongoTemplate;/*** 地图找房搜索服务** @param maxLongitude 最大经度* @param minLongitude 最小经度* @param maxLatitude  最大纬度* @param minLatitude  最小纬度* @param zoom         地图缩放比例值* @return*/public List<HouseResultVo> search(Double maxLongitude,Double minLongitude,Double maxLatitude,Double minLatitude,Double zoom) {//收集聚合查询条件List<AggregationOperation> operationList = new ArrayList<>();//在可视范围内搜索Box box = new Box(new double[]{maxLongitude, maxLatitude}, new double[]{minLongitude, minLatitude});MatchOperation matchOperation = Aggregation.match(Criteria.where("location").within(box));operationList.add(matchOperation);int type;GroupOperation groupOperation;//根据地图的缩放比例进行分组if (zoom < 13.5) { //2公里以上//按照行政区分组groupOperation = Aggregation.group("districtCode");type = 1;} else if (zoom < 15.5) { //200米以上//按照商圈分组groupOperation = Aggregation.group("businessCircleCode");type = 2;} else { //200以下//按照小区分组groupOperation = Aggregation.group("communityId");type = 3;}groupOperation = groupOperation.count().as("total").avg("price").as("price");operationList.add(groupOperation);//生成最终的聚合条件Aggregation aggregation = Aggregation.newAggregation(operationList);//执行查询AggregationResults<HouseResultVo> aggregationResults = this.mongoTemplate.aggregate(aggregation, House.class, HouseResultVo.class);List<HouseResultVo> houseResultVoList = aggregationResults.getMappedResults();if (CollUtil.isEmpty(houseResultVoList)) {return Collections.emptyList();}//填充数据switch (type) {case 1: {//查询行政区数据for (HouseResultVo houseResultVo : houseResultVoList) {District district = this.queryDistrictByCode(Convert.toInt(houseResultVo.getCode()));houseResultVo.setName(district.getName());houseResultVo.setLongitude(district.getLocation().getX());houseResultVo.setLatitude(district.getLocation().getY());//价格保留2位小数houseResultVo.setPrice(NumberUtil.roundStr(houseResultVo.getPrice(), 2));}break;}case 2: {//查询商圈数据for (HouseResultVo houseResultVo : houseResultVoList) {BusinessCircle businessCircle = this.queryBusinessCircleByCode(Convert.toInt(houseResultVo.getCode()));houseResultVo.setName(businessCircle.getName());houseResultVo.setLongitude(businessCircle.getLocation().getX());houseResultVo.setLatitude(businessCircle.getLocation().getY());//价格保留2位小数houseResultVo.setPrice(NumberUtil.roundStr(houseResultVo.getPrice(), 2));}break;}case 3: {//查询小区数据for (HouseResultVo houseResultVo : houseResultVoList) {Community community = this.queryCommunityById(new ObjectId(houseResultVo.getCode()));houseResultVo.setName(community.getName());houseResultVo.setLongitude(community.getLocation().getX());houseResultVo.setLatitude(community.getLocation().getY());//价格保留2位小数houseResultVo.setPrice(NumberUtil.roundStr(houseResultVo.getPrice(), 2));}break;}default: {return Collections.emptyList();}}return houseResultVoList;}/*** 根据code查询行政区数据** @param code* @return*/private District queryDistrictByCode(Integer code) {Query query = Query.query(Criteria.where("code").is(code));return this.mongoTemplate.findOne(query, District.class);}/*** 根据code查询商圈数据** @param code* @return*/private BusinessCircle queryBusinessCircleByCode(Integer code) {Query query = Query.query(Criteria.where("code").is(code));return this.mongoTemplate.findOne(query, BusinessCircle.class);}/*** 根据code查询小区数据** @return*/private Community queryCommunityById(ObjectId id) {return this.mongoTemplate.findById(id, Community.class);}
}