1.高德

官网：添加链接描述

（1）工具类

package com.aibe.common;import com.aibe.util.http.HttpResult;
import com.aibe.util.http.HttpclientUtils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;import java.util.HashMap;
import java.util.Map;public class GaoDeUtils {private static final String key="";private static final String url="https://restapi.amap.com/v3/geocode/geo";public static String getLatLon(String address){Map<String,Object> parameters=new HashMap<>();parameters.put("key",key);parameters.put("address",address);try {HttpResult result = HttpclientUtils.doGet(url, parameters);if (result.getCode()==200){String body = result.getBody();JSONObject j= JSON.parseObject(body);String info = j.getString("info");if (info.equals("OK")){JSONArray geocodes = j.getJSONArray("geocodes");for (int i = 0; i < geocodes.size(); i++) {JSONObject jsonObject = geocodes.getJSONObject(i);return jsonObject.getString("location");}}return info;}} catch (Exception e) {throw new RuntimeException(e);}return null;}public static void main(String[] args) {String ss = getLatLon("贵州省贵阳市南明区公园中路花果园M区");System.out.println(ss);}
}

（2） 请求http工具

package com.aibe.util.http;import com.alibaba.fastjson.JSONObject;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;/*** @author ocean* @date 2022/11/17 0017 9:49*/
public class HttpclientUtils {//1.不带参数的get请求的方法/**** @param url* @return* @throws Exception*/public static HttpResult doGet(String url) throws Exception{return doGet(url,null);}//2.带参数的get请求的方法/**** @param url  请求的URL* @param map  请求传递的参数* @return* @throws Exception*/public static HttpResult doGet(String url,Map<String, Object> map) throws Exception{//1.创建httpclient的对象CloseableHttpClient client = HttpClients.createDefault();//2.创建httpget get请求对象URIBuilder builder =  new URIBuilder(url);//设置URL//遍历参数，设置参数的值if(map!=null){for (Map.Entry<String, Object> entry : map.entrySet()) {builder.setParameter(entry.getKey(), entry.getValue().toString());}}URI uri = builder.build();HttpGet httpGet = new HttpGet(uri);//3.执行请求CloseableHttpResponse response = client.execute(httpGet);//4.获取响应的结果 封装到httpresult中Integer code = response.getStatusLine().getStatusCode();//状态码String body =null;if(response.getEntity()!=null){body = EntityUtils.toString(response.getEntity(), "utf-8");}HttpResult result = new HttpResult(code, body);return result;}//3.不带参数的post请求的方法public static HttpResult doPost(String url) throws Exception{return doPost(url,null);}//4.带参数的post请的方法public static HttpResult doPost(String url,Map<String, Object> map) throws Exception{//1. 创建httpclient 对象CloseableHttpClient client = HttpClients.createDefault();//2.创建httppost 请求对象HttpPost httpPost = new HttpPost(url);if(map!=null){//遍历参数的map集合  设置参数列表List<NameValuePair> parameters = new ArrayList<>();for (Map.Entry<String, Object> entry : map.entrySet()) {parameters.add(new BasicNameValuePair(entry.getKey(), entry.getValue().toString()));}//创建表单实体对象，将参数设置到表单实体中UrlEncodedFormEntity encodedFormEntity = new UrlEncodedFormEntity(parameters);//设置表单实体到httpost请求对象中httpPost.setEntity(encodedFormEntity);}//3.执行请求CloseableHttpResponse response = client.execute(httpPost);//4.获取响应结果，封装到httpresult中Integer code = response.getStatusLine().getStatusCode();//状态码String body = null;if(response.getEntity()!=null){body =  EntityUtils.toString(response.getEntity(), "utf-8");}//返回httpresultHttpResult result = new HttpResult(code, body);return result;}//5.带参数和header的post请的方法public static HttpResult doPost(String url,JSONObject jsonParam,Map<String, Object> headers) throws Exception{//1. 创建httpclient 对象CloseableHttpClient client = HttpClients.createDefault();//2.创建httppost 请求对象HttpPost httpPost = new HttpPost(url);StringEntity entity = new StringEntity(jsonParam.toString(), "utf-8");entity.setContentEncoding("UTF-8");entity.setContentType("application/json");httpPost.setEntity(entity);if(headers!=null){//遍历参数的headers集合  设置请求头列表for (Map.Entry<String, Object> entry : headers.entrySet()) {httpPost.addHeader(entry.getKey(), entry.getValue().toString());}}//3.执行请求CloseableHttpResponse response = client.execute(httpPost);//4.获取响应结果，封装到httpresult中Integer code = response.getStatusLine().getStatusCode();//状态码String body = null;if(response.getEntity()!=null){body =  EntityUtils.toString(response.getEntity(), "utf-8");}//返回httpresultHttpResult result = new HttpResult(code, body);return result;}//6.带参数和header的post请的方法public static HttpResult doPost(String url,Map<String, Object> map,Map<String, Object> headers,boolean b) throws Exception{//1. 创建httpclient 对象CloseableHttpClient client = HttpClients.createDefault();//2.创建httppost 请求对象HttpPost httpPost = new HttpPost(url);if(map!=null){//遍历参数的map集合  设置参数列表List<NameValuePair> parameters = new ArrayList<>();for (Map.Entry<String, Object> entry : map.entrySet()) {parameters.add(new BasicNameValuePair(entry.getKey(), entry.getValue().toString()));}//创建表单实体对象，将参数设置到表单实体中UrlEncodedFormEntity encodedFormEntity = new UrlEncodedFormEntity(parameters);//设置表单实体到httpost请求对象中httpPost.setEntity(encodedFormEntity);}if(headers!=null){//遍历参数的headers集合  设置请求头列表for (Map.Entry<String, Object> entry : headers.entrySet()) {httpPost.addHeader(entry.getKey(), entry.getValue().toString());}}//3.执行请求CloseableHttpResponse response = client.execute(httpPost);//4.获取响应结果，封装到httpresult中Integer code = response.getStatusLine().getStatusCode();//状态码String body = null;if(response.getEntity()!=null){body =  EntityUtils.toString(response.getEntity(), "utf-8");}//返回httpresultHttpResult result = new HttpResult(code, body);return result;}}

package com.aibe.util.http;/*** @author ocean* @date 2022/11/17 0017 9:53*/
public class HttpResult {private Integer code;//响应的状态码 200 201.。private String body;//响应体 （响应的内容）public Integer getCode() {return code;}public void setCode(Integer code) {this.code = code;}public String getBody() {return body;}public void setBody(String body) {this.body = body;}public HttpResult(Integer code, String body) {super();this.code = code;this.body = body;}@Overridepublic String toString() {return "HttpResult{" +"code=" + code +", body='" + body + '\'' +'}';}public HttpResult() {}}