java集成高德地图（干货）

Karima ·

更新时间:2024-11-14

· 537 次阅读

springboot演示

高德地图开发地址注册开发者，申请key

高德地图工具类java

package com.sf.auth.toolbox;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.springframework.stereotype.Component;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
/**
 * @author lqy
 * @des 高德地图工具类
 */
@Component
public class GouldUtil {
	//在高德申请的应用Key
	private static final String GOULD_KEY= PropertiesUtil.getProperty("gould.Key");
	//申请的账户Key
	/**
	 * 0.根据地址名称得到两个地址间的距离
	 * @param start 起始位置
	 * @param start 结束位置
	 * @return 两个地址间的距离
	 */
	public long getDistanceByAddress(String start, String end) {
		String startLonLat = getLonLat(start);
		String endLonLat = getLonLat(end);
		long dis = getDistance(startLonLat, endLonLat);
		return dis;
	}
	/**
	 * 1.地址转换为经纬度
	 * @param address 地址
	 * @return 经纬度
	 */
	public String getLonLat(String address) {
		// 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="+GOULD_KEY+"&address=" + address;
		String queryResult = getResponse(queryUrl); // 高德接品返回的是JSON格式的字符串
		JSONObject job = JSONObject.parseObject(queryResult);
		JSONObject jobJSON = JSONObject
				.parseObject(job.get("geocodes").toString().substring(1, job.get("geocodes").toString().length() - 1));
		String DZ = jobJSON.get("location").toString();
//		System.out.println("经纬度：" + DZ);
		return DZ;
	}
	/**
	 * 将经纬度getLng， getLat 通过getAMapByLngAndLat方法转换地址
	 * @param getLng 经度
	 * @param getLat 纬度
	 * @return 地址名称
	 * @throws Exception
	 */
	public String getAMapByLngAndLat(String getLng, String getLat) throws Exception {
		String url;
		try {
			url = "http://restapi.amap.com/v3/geocode/regeo?output=JSON&location=" + getLng + "," + getLat
					+ "&key="+GOULD_KEY+"&radius=0&extensions=base";
			System.out.println(getLat
			);
			System.out.println(url);
			String queryResult = getResponse(url); // 高德接品返回的是JSON格式的字符串
			if (queryResult == null) {
				return "-1";
			}
			// 将获取结果转为json 数据
			JSONObject obj = JSONObject.parseObject(queryResult);
			if (obj.get("status").toString().equals("1")) {
				// 如果没有返回-1
				JSONObject regeocode = obj.getJSONObject("regeocode");
				if (regeocode.size() > 0) {
					// 在regeocode中拿到 formatted_address 具体位置
					String formatted = regeocode.get("formatted_address").toString();
					return formatted;
				} else {
					System.out.println("未找到相匹配的地址！");
					return "-1";
				}
			} else {
				System.out.println("请求错误！");
				return "-1";
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return "-1";
	}
	/**
	 * 2.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）
	 * @return 两个定位点之间的距离
	 */
	private long getDistance(String startLonLat, String endLonLat) {
		// 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="+GOULD_KEY+"&origins=" + startLonLat + "&destination="
				+ endLonLat;
		String queryResult = getResponse(queryUrl);
		JSONObject job = JSONObject.parseObject(queryResult);
		JSONArray ja = job.getJSONArray("results");
		JSONObject jobO = JSONObject.parseObject(ja.getString(0));
		result = Long.parseLong(jobO.get("distance").toString());
//		System.out.println("距离2：" + result);
		return result;
	}
	/**
	 * 3.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 (MalformedURLException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return result.toString();
	}
}

controller测试编写。

package com.sf.auth.manager.controller.api;
import com.sf.auth.common.responese.Response;
import com.sf.auth.interceptor.PassToken;
import com.sf.auth.toolbox.GouldUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
@RestController
@Api(value = "/api/point",tags = "app-地图")
@RequestMapping("/api/point")
public class PointController {
	@Autowired
	private GouldUtil gouldUtil;
	public static final Logger log = LoggerFactory.getLogger(PointController.class);
	@ApiOperation(value = "根据经纬度获取地址")
	@PostMapping("/getAddress")
	@PassToken
	public Response getAddress(String longitude,String lat) {
		try {
			System.out.println(longitude);
			System.out.println(lat);
			String address = gouldUtil.getAMapByLngAndLat(longitude, lat);
			return  Response.createS(address);
		} catch (Exception e) {
			e.printStackTrace();
			return  Response.createF();
		}
	}
	@ApiOperation(value = "根据地址获取经纬度")
	@GetMapping("/getLonLat/{address}")
	@PassToken
	public Response getLonLat(@PathVariable("address") String address) {
		try {
			String result = gouldUtil.getLonLat(address);
			return  Response.createS(result);
		} catch (Exception e) {
			e.printStackTrace();
			return  Response.createF();
		}
	}
}

swagger测试
在这里插入图片描述