Java调用高德地图API根据详细地址获取经纬度

官方API：https://lbs.amap.com/api/webservice/guide/api/georegeo
*
Web服务API 地理/逆地理编码

实现代码*

package com.example.listdemo.utils;import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.HashMap;
import java.util.Map;public class MapUtils {public static void main(String[] args) {try {// 1、根据地址获取经纬度Map<String, String> lonAndLat = getLonAndLat("浙江省杭州市滨江区江汉路1515号", "key");System.out.println("转换后经纬度为：" + lonAndLat);// 2、根据经纬度获取地址String formattedAddress = getAMapByLngAndLat("120.204798", "30.201000", "高德key");System.out.println("转换后地址为：" + formattedAddress);} catch (Exception e) {e.printStackTrace();}}/*** 地址转换为经纬度** @param address 地址* @param key     高德地图应用key* @return 经纬度*/public static Map getLonAndLat(String address, String key) {// 返回输入地址address的经纬度信息, 格式是 经度,纬度String queryUrl = "http://restapi.amap.com/v3/geocode/geo?key=" + key + "&address=" + address;// 高德接口返回的是JSON格式的字符串String queryResult = getResponse(queryUrl);Map<String, String> map = new HashMap<String, String>();JSONObject obj = JSONObject.parseObject(queryResult);if (obj.get("status").toString().equals("1")) {JSONObject jobJSON = JSONObject.parseObject(obj.get("geocodes").toString().substring(1, obj.get("geocodes").toString().length() - 1));String location = jobJSON.get("location").toString();System.out.println("经纬度：" + location);String[] lonAndLat = location.split(",");if (lonAndLat != null && lonAndLat.length == 2) {map.put("lng", lonAndLat[0]);map.put("lat", lonAndLat[1]);}System.out.println(map);return map;} else {throw new RuntimeException("地址转换经纬度失败，错误码：" + obj.get("infocode"));}}/*** 将经纬度getLng， getLat 通过getAMapByLngAndLat方法转换地址** @param getLng 经度* @param getLat 纬度* @param key    高德地图应用key* @return 地址名称* @throws Exception*/public static String getAMapByLngAndLat(String getLng, String getLat, String key) throws Exception {String url;try {url = "http://restapi.amap.com/v3/geocode/regeo?output=JSON&location=" + getLng + ","+ getLat + "&key=" + key + "&radius=0&extensions=base";String queryResult = getResponse(url); // 高德接品返回的是JSON格式的字符串// 将获取结果转为json数据JSONObject obj = JSONObject.parseObject(queryResult);System.out.println("obj为：" + obj);if (obj.get("status").toString().equals("1")) {// 如果没有返回-1JSONObject regeocode = obj.getJSONObject("regeocode");if (regeocode.size() > 0) {// 在regeocode中拿到 formatted_address 具体位置return regeocode.get("formatted_address").toString();} else {throw new RuntimeException("未找到相匹配的地址！");}} else {throw new RuntimeException("请求错误！");}} catch (Exception e) {e.printStackTrace();}return "-1";}/*** 根据两个定位点的经纬度算出两点间的距离** @param startLonLat 起始经纬度* @param endLonLat   结束经纬度（目标经纬度）* @param key         高德地图应用key* @return 两个定位点之间的距离*/private static long getDistance(String startLonLat, String endLonLat, String key) {// 返回起始地startAddr与目的地endAddr之间的距离，单位：米Long result = new Long(0);String queryUrl = "http://restapi.amap.com/v3/distance?key=" + key + "&origins=" + startLonLat + "&destination=" + endLonLat;String queryResult = getResponse(queryUrl);JSONObject obj = JSONObject.parseObject(queryResult);JSONArray ja = obj.getJSONArray("results");JSONObject jobO = JSONObject.parseObject(ja.getString(0));result = Long.parseLong(jobO.get("distance").toString());System.out.println("距离：" + result);return result;}/*** 发送请求** @param serverUrl 请求地址*/private static String getResponse(String serverUrl) {// 用JAVA发起http请求，并返回json格式的结果StringBuffer result = new StringBuffer();try {URL url = new URL(serverUrl);URLConnection conn = url.openConnection();BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));String line;while ((line = in.readLine()) != null) {result.append(line);}in.close();} catch (Exception e) {e.printStackTrace();}return result.toString();}
}

执行结果：

"D:\Program Files\Java\jdk1.8.0_40\bin\java.exe" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2021.1.3\lib\idea_rt.jar=52173:C:\Program Files\JetBrains\IntelliJ IDEA 2021.1.3\bin" -Dfile.encoding=UTF-8 -classpath "D:\Program Files\Java\jdk1.8.0_40\jre\lib\charsets.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\deploy.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\access-bridge-64.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\cldrdata.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\dnsns.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\jaccess.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\jfxrt.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\localedata.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\nashorn.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\sunec.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\sunjce_provider.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\sunmscapi.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\sunpkcs11.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\ext\zipfs.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\javaws.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\jce.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\jfr.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\jfxswt.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\jsse.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\management-agent.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\plugin.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\resources.jar;D:\Program Files\Java\jdk1.8.0_40\jre\lib\rt.jar;F:\study-project\list-demo\target\classes;D:\mvnrepository\org\springframework\boot\spring-boot-starter-web\2.5.2\spring-boot-starter-web-2.5.2.jar;D:\mvnrepository\org\springframework\boot\spring-boot-starter\2.5.2\spring-boot-starter-2.5.2.jar;D:\mvnrepository\org\springframework\boot\spring-boot-starter-logging\2.5.2\spring-boot-starter-logging-2.5.2.jar;D:\mvnrepository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;D:\mvnrepository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;D:\mvnrepository\org\apache\logging\log4j\log4j-to-slf4j\2.14.1\log4j-to-slf4j-2.14.1.jar;D:\mvnrepository\org\apache\logging\log4j\log4j-api\2.14.1\log4j-api-2.14.1.jar;D:\mvnrepository\org\slf4j\jul-to-slf4j\1.7.31\jul-to-slf4j-1.7.31.jar;D:\mvnrepository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;D:\mvnrepository\org\yaml\snakeyaml\1.28\snakeyaml-1.28.jar;D:\mvnrepository\org\springframework\boot\spring-boot-starter-json\2.5.2\spring-boot-starter-json-2.5.2.jar;D:\mvnrepository\com\fasterxml\jackson\core\jackson-databind\2.12.3\jackson-databind-2.12.3.jar;D:\mvnrepository\com\fasterxml\jackson\core\jackson-annotations\2.12.3\jackson-annotations-2.12.3.jar;D:\mvnrepository\com\fasterxml\jackson\core\jackson-core\2.12.3\jackson-core-2.12.3.jar;D:\mvnrepository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.12.3\jackson-datatype-jdk8-2.12.3.jar;D:\mvnrepository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.12.3\jackson-datatype-jsr310-2.12.3.jar;D:\mvnrepository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.12.3\jackson-module-parameter-names-2.12.3.jar;D:\mvnrepository\org\springframework\boot\spring-boot-starter-tomcat\2.5.2\spring-boot-starter-tomcat-2.5.2.jar;D:\mvnrepository\org\apache\tomcat\embed\tomcat-embed-core\9.0.48\tomcat-embed-core-9.0.48.jar;D:\mvnrepository\org\apache\tomcat\embed\tomcat-embed-el\9.0.48\tomcat-embed-el-9.0.48.jar;D:\mvnrepository\org\apache\tomcat\embed\tomcat-embed-websocket\9.0.48\tomcat-embed-websocket-9.0.48.jar;D:\mvnrepository\org\springframework\spring-web\5.3.8\spring-web-5.3.8.jar;D:\mvnrepository\org\springframework\spring-beans\5.3.8\spring-beans-5.3.8.jar;D:\mvnrepository\org\springframework\spring-webmvc\5.3.8\spring-webmvc-5.3.8.jar;D:\mvnrepository\org\springframework\spring-aop\5.3.8\spring-aop-5.3.8.jar;D:\mvnrepository\org\springframework\spring-context\5.3.8\spring-context-5.3.8.jar;D:\mvnrepository\org\springframework\spring-expression\5.3.8\spring-expression-5.3.8.jar;D:\mvnrepository\org\springframework\boot\spring-boot-devtools\2.5.2\spring-boot-devtools-2.5.2.jar;D:\mvnrepository\org\springframework\boot\spring-boot\2.5.2\spring-boot-2.5.2.jar;D:\mvnrepository\org\springframework\boot\spring-boot-autoconfigure\2.5.2\spring-boot-autoconfigure-2.5.2.jar;D:\mvnrepository\org\projectlombok\lombok\1.18.20\lombok-1.18.20.jar;D:\mvnrepository\org\slf4j\slf4j-api\1.7.31\slf4j-api-1.7.31.jar;D:\mvnrepository\org\springframework\spring-core\5.3.8\spring-core-5.3.8.jar;D:\mvnrepository\org\springframework\spring-jcl\5.3.8\spring-jcl-5.3.8.jar;D:\mvnrepository\com\alibaba\fastjson\1.2.68\fastjson-1.2.68.jar;D:\mvnrepository\com\google\guava\guava\22.0\guava-22.0.jar;D:\mvnrepository\com\google\code\findbugs\jsr305\1.3.9\jsr305-1.3.9.jar;D:\mvnrepository\com\google\errorprone\error_prone_annotations\2.0.18\error_prone_annotations-2.0.18.jar;D:\mvnrepository\com\google\j2objc\j2objc-annotations\1.1\j2objc-annotations-1.1.jar;D:\mvnrepository\org\codehaus\mojo\animal-sniffer-annotations\1.14\animal-sniffer-annotations-1.14.jar;D:\mvnrepository\org\apache\commons\commons-collections4\4.4\commons-collections4-4.4.jar;D:\mvnrepository\commons-lang\commons-lang\2.6\commons-lang-2.6.jar;D:\mvnrepository\org\apache\httpcomponents\httpcore\4.4.10\httpcore-4.4.10.jar;D:\mvnrepository\org\apache\httpcomponents\httpclient\4.5.6\httpclient-4.5.6.jar;D:\mvnrepository\commons-httpclient\commons-httpclient\3.1\commons-httpclient-3.1.jar;D:\mvnrepository\commons-logging\commons-logging\1.0.4\commons-logging-1.0.4.jar;D:\mvnrepository\org\apache\commons\commons-lang3\3.3.2\commons-lang3-3.3.2.jar;D:\mvnrepository\commons-codec\commons-codec\1.15\commons-codec-1.15.jar" com.example.listdemo.utils.MapUtils
经纬度：120.204017,30.200900
{lng=120.204017, lat=30.200900}
转换后经纬度为：{lng=120.204017, lat=30.200900}
obj为：{"infocode":"10000","regeocode":{"formatted_address":"浙江省杭州市滨江区长河街道O2(杭州滨江龙湖店)龙湖郦城公馆","addressComponent":{"businessAreas":[{"name":"长河","location":"120.198800,30.188826","id":"330108"}],"country":"中国","province":"浙江省","citycode":"0571","city":"杭州市","adcode":"330108","streetNumber":{"number":"1515号","distance":"15.0673","street":"江南大道","location":"120.204721,30.200882","direction":"西南"},"towncode":"330108003000","district":"滨江区","neighborhood":{"name":[],"type":[]},"township":"长河街道","building":{"name":[],"type":[]}}},"status":"1","info":"OK"}
转换后地址为：浙江省杭州市滨江区长河街道O2(杭州滨江龙湖店)龙湖郦城公馆Process finished with exit code 0

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