SpringBoot整合高德地图 天气查询

申请key

登录高德，注册，添加应用，创建key

官网api：

https://lbs.amap.com/api/webservice/guide/api/weatherinfo

调用步骤: 第一步，申请”web服务 API”密钥（Key）； 第二步，拼接HTTP请求URL，第一步申请的Key需作为必填参数一同发送； 第三步，接收HTTP请求返回的数据（JSON或XML格式），解析数据。 如无特殊声明，接口的输入参数和输出数据编码全部统一为UTF-8。

最主要的也是获取到key

在这里插入图片描述

相关代码 pom.xml

<pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="" cid="n487" mdtype="fences" style="box-sizing: border-box; overflow: visible; font-family: var(--monospace); font-size: 0.9em; display: block; break-inside: avoid; text-align: left; white-space: normal; background-image: inherit; background-position: inherit; background-size: inherit; background-repeat: inherit; background-attachment: inherit; background-origin: inherit; background-clip: inherit; background-color: rgb(248, 248, 248); position: relative !important; border: 1px solid rgb(231, 234, 237); border-radius: 3px; padding: 8px 4px 6px; margin-bottom: 15px; margin-top: 15px; width: inherit; color: rgb(51, 51, 51); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.4</version>
</dependency>

<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.78</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.4</version>
</dependency></pre>

推荐阅读：《Spring Boot+Vue全栈开发实战》，点此获取PDF文件完整版

application.properties

<pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="" cid="n492" mdtype="fences" style="box-sizing: border-box; overflow: visible; font-family: var(--monospace); font-size: 0.9em; display: block; break-inside: avoid; text-align: left; white-space: normal; background-image: inherit; background-position: inherit; background-size: inherit; background-repeat: inherit; background-attachment: inherit; background-origin: inherit; background-clip: inherit; background-color: rgb(248, 248, 248); position: relative !important; border: 1px solid rgb(231, 234, 237); border-radius: 3px; padding: 8px 4px 6px; margin-bottom: 15px; margin-top: 15px; width: inherit; color: rgb(51, 51, 51); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">server.port=2080

The config for HttpClient

http.maxTotal=300
http.defaultMaxPerRoute=50
http.connectTimeout=1000
http.connectionRequestTimeout=500
http.socketTimeout=5000
http.staleConnectionCheckEnabled=true

gaode.key = 申请的key</pre>

HttpClientConfig

<pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="" cid="n498" mdtype="fences" style="box-sizing: border-box; overflow: visible; font-family: var(--monospace); font-size: 0.9em; display: block; break-inside: avoid; text-align: left; white-space: normal; background-image: inherit; background-position: inherit; background-size: inherit; background-repeat: inherit; background-attachment: inherit; background-origin: inherit; background-clip: inherit; background-color: rgb(248, 248, 248); position: relative !important; border: 1px solid rgb(231, 234, 237); border-radius: 3px; padding: 8px 4px 6px; margin-bottom: 15px; margin-top: 15px; width: inherit; color: rgb(51, 51, 51); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">package com.zjy.map.config;

import lombok.Data;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.conn.HttpClientConnectionManager;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.web.client.RestTemplate;

import java.nio.charset.Charset;
import java.util.List;

@Data
@Configuration
@ConfigurationProperties(prefix = "http", ignoreUnknownFields = true)
public class HttpClientConfig {
private Integer maxTotal;// 最大连接

private Integer defaultMaxPerRoute;// 每个host的最大连接

private Integer connectTimeout;// 连接超时时间

private Integer connectionRequestTimeout;// 请求超时时间

private Integer socketTimeout;// 响应超时时间

/**

  • HttpClient连接池
  • @return
    */
    @Bean
    public HttpClientConnectionManager httpClientConnectionManager() {
    PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
    connectionManager.setMaxTotal(maxTotal);
    connectionManager.setDefaultMaxPerRoute(defaultMaxPerRoute);
    return connectionManager;
    }

/**

  • 注册RequestConfig
  • @return
    */
    @Bean
    public RequestConfig requestConfig() {
    return RequestConfig.custom().setConnectTimeout(connectTimeout)
    .setConnectionRequestTimeout(connectionRequestTimeout).setSocketTimeout(socketTimeout)
    .build();
    }

/**

  • 注册HttpClient
  • @param manager
  • @param config
  • @return
    */
    @Bean
    public HttpClient httpClient(HttpClientConnectionManager manager, RequestConfig config) {
    return HttpClientBuilder.create().setConnectionManager(manager).setDefaultRequestConfig(config)
    .build();
    }

@Bean
public ClientHttpRequestFactory requestFactory(HttpClient httpClient) {
return new HttpComponentsClientHttpRequestFactory(httpClient);
}
/**

  • 使用HttpClient来初始化一个RestTemplate
  • @param requestFactory
  • @return
    */
    @Bean
    public RestTemplate restTemplate(ClientHttpRequestFactory requestFactory) {
    RestTemplate template = new RestTemplate(requestFactory);

List<HttpMessageConverter<?>> list = template.getMessageConverters();
for (HttpMessageConverter<?> mc : list) {
if (mc instanceof StringHttpMessageConverter) {
((StringHttpMessageConverter) mc).setDefaultCharset(Charset.forName("UTF-8"));
}
}
return template;
}</pre>

推荐阅读：《Spring Boot+Vue全栈开发实战》，点此获取PDF文件完整版

WeatherUtils

<pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="" cid="n506" mdtype="fences" style="box-sizing: border-box; overflow: visible; font-family: var(--monospace); font-size: 0.9em; display: block; break-inside: avoid; text-align: left; white-space: normal; background-image: inherit; background-position: inherit; background-size: inherit; background-repeat: inherit; background-attachment: inherit; background-origin: inherit; background-clip: inherit; background-color: rgb(248, 248, 248); position: relative !important; border: 1px solid rgb(231, 234, 237); border-radius: 3px; padding: 8px 4px 6px; margin-bottom: 15px; margin-top: 15px; width: inherit; color: rgb(51, 51, 51); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">package com.zjy.map.utils;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.net.URI;
import java.util.Map;

@Component
public class WeatherUtils {
/*日志对象/
private static final Logger logger = LoggerFactory.getLogger(WeatherUtils.class);

@Value("${gaode.key}")
private String KEY;

public final String WEATHER_URL = "https://restapi.amap.com/v3/weather/weatherInfo?";

/**

  • 发送get请求
  • @return
    */
    public JSONObject getCurrent(Map<String, String> params){

JSONObject jsonObject = null;
CloseableHttpClient httpclient = HttpClients.createDefault();

// 创建URI对象，并且设置请求参数
try {
URI uri = getBuilderCurrent(WEATHER_URL, params);
// 创建http GET请求
HttpGet httpGet = new HttpGet(uri);
CloseableHttpResponse response = httpclient.execute(httpGet);

// 判断返回状态是否为200
jsonObject = getRouteCurrent(response);
httpclient.close();
} catch (Exception e) {
e.printStackTrace();
}

return jsonObject;
}

/**

  • 根据不同的路径规划获取距离
  • @param response
  • @return
    */
    private static JSONObject getRouteCurrent(CloseableHttpResponse response) throws Exception{
    JSONObject live = null;
    // 判断返回状态是否为200
    if (response.getStatusLine().getStatusCode() == 200) {
    String content = EntityUtils.toString(response.getEntity(), "UTF-8");
    logger.info("调用高德地图接口返回的结果为:{}",content);
    JSONObject jsonObject = (JSONObject) JSONObject.parse(content);
    JSONArray lives = (JSONArray) jsonObject.get("lives");
    live = (JSONObject) lives.get(0);

logger.info("返回的结果为:{}",JSONObject.toJSONString(live));
}
return live;
}

/**

  • 封装URI
  • @param url
  • @param params
  • @return
  • @throws Exception
    */
    private URI getBuilderCurrent(String url, Map<String, String> params) throws Exception{
    // 城市编码，高德地图提供
    String adcode = params.get("adcode");

URIBuilder uriBuilder = new URIBuilder(url);
// 公共参数
uriBuilder.setParameter("key", KEY);
uriBuilder.setParameter("city", adcode);

logger.info("请求的参数key为:{}, cityCode为:{}", KEY, adcode);
URI uri = uriBuilder.build();
return uri;
}

/**

  • 查询未来的
  • 发送get请求
  • @return
    */
    public JSONObject sendGetFuture(Map<String, String> params){

JSONObject jsonObject = null;
CloseableHttpClient httpclient = HttpClients.createDefault();

// 创建URI对象，并且设置请求参数
try {
URI uri = getBuilderFuture(WEATHER_URL, params);
// 创建http GET请求
HttpGet httpGet = new HttpGet(uri);
CloseableHttpResponse response = httpclient.execute(httpGet);

// 判断返回状态是否为200
jsonObject = getRouteFuture(response);
httpclient.close();
} catch (Exception e) {
e.printStackTrace();
}

return jsonObject;
}

/**

  • 封装URI
  • @param url
  • @param params
  • @return
  • @throws Exception
    */
    private URI getBuilderFuture(String url, Map<String, String> params) throws Exception{
    // 城市编码，高德地图提供
    String adcode = params.get("adcode");

URIBuilder uriBuilder = new URIBuilder(url);
// 公共参数
uriBuilder.setParameter("key", KEY);
uriBuilder.setParameter("city", adcode);
uriBuilder.setParameter("extensions", "all");

logger.info("请求的参数key为:{}, cityCode为:{}", KEY, adcode);
URI uri = uriBuilder.build();
return uri;
}

/**

  • 根据不同的路径规划获取距离
  • @param response
  • @return
    */
    private static JSONObject getRouteFuture(CloseableHttpResponse response) throws Exception{
    JSONObject live = null;
    // 判断返回状态是否为200
    if (response.getStatusLine().getStatusCode() == 200) {
    String content = EntityUtils.toString(response.getEntity(), "UTF-8");
    logger.info("调用高德地图接口返回的结果为:{}",content);
    JSONObject jsonObject = (JSONObject) JSONObject.parse(content);
    JSONArray forecast = (JSONArray) jsonObject.get("forecasts");
    live = (JSONObject) forecast.get(0);

logger.info("返回的结果为:{}",JSONObject.toJSONString(live));
}
return live;
}</pre>

推荐阅读：《Spring Boot+Vue全栈开发实战》，点此获取PDF文件完整版

WeatherController

    • <pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="" cid="n599" mdtype="fences" style="box-sizing: border-box; overflow: visible; font-family: var(--monospace); font-size: 0.9em; display: block; break-inside: avoid; text-align: left; white-space: normal; background-image: inherit; background-position: inherit; background-size: inherit; background-repeat: inherit; background-attachment: inherit; background-origin: inherit; background-clip: inherit; background-color: rgb(248, 248, 248); position: relative !important; border: 1px solid rgb(231, 234, 237); border-radius: 3px; padding: 8px 4px 6px; margin-bottom: 15px; margin-top: 0px; width: inherit;">package com.zjy.map.controller;

      import com.alibaba.fastjson.JSONObject;
      import com.zjy.map.utils.WeatherUtils;
      import org.slf4j.Logger;
      import org.slf4j.LoggerFactory;
      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.HashMap;
      import java.util.Map;

      /**

      • 高德天气
        */
        @RestController
        @RequestMapping("/weather")
        public class WeatherController {

      @Autowired
      private WeatherUtils weatherUtils;

      /*日志对象/
      private static final Logger logger = LoggerFactory.getLogger(WeatherController.class);

      /**

      Map<String, String> params = new HashMap<>();
      params.put("adcode", adcode);
      logger.info("获取当前的天气预报,请求的参数为:{}", params);
      JSONObject map = weatherUtils.getCurrent(params);
      logger.info("获取当前的天气预报,返回的请求结果为:{}", map);
      return map;
      }

      /**

      Map<String, String> params = new HashMap<>();
      params.put("adcode", adcode);
      logger.info("获取未来的天气预报,请求的参数为:{}", params);
      JSONObject map = weatherUtils.sendGetFuture(params);
      logger.info("获取未来的天气预报,返回的请求结果为:{}", map);
      return map;
      }
      }</pre>

      代码贴完了。开始测试 启动服务

推荐阅读：《Spring Boot+Vue全栈开发实战》，点此获取PDF文件完整版

城市编号 官网提供下载地址： https://lbs.amap.com/api/webservice/download

在这里插入图片描述

这里获取当前时间的天气情况与未来天气情况返回数据不一样，所在写了2个方法，参数只有一个，城市编码.

1.获取当前天气 http://localhost:2080/weather/getCurrent?adcode=140200

在这里插入图片描述

2.获取未来天气 http://localhost:2080/weather/getFuture?adcode=140200

在这里插入图片描述

<pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="" cid="n548" mdtype="fences" style="box-sizing: border-box; overflow: visible; font-family: var(--monospace); font-size: 0.9em; display: block; break-inside: avoid; text-align: left; white-space: normal; background-image: inherit; background-position: inherit; background-size: inherit; background-repeat: inherit; background-attachment: inherit; background-origin: inherit; background-clip: inherit; background-color: rgb(248, 248, 248); position: relative !important; border: 1px solid rgb(231, 234, 237); border-radius: 3px; padding: 8px 4px 6px; margin-bottom: 15px; margin-top: 15px; width: inherit; color: rgb(51, 51, 51); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">{
"province": "山西",
"casts": [
{
"date": "2021-12-13",
"dayweather": "晴",
"daywind": "西南",
"week": "1",
"daypower": "4",
"daytemp": "2",
"nightwind": "西南",
"nighttemp": "-18",
"nightweather": "晴",
"nightpower": "4"
},
{
"date": "2021-12-14",
"dayweather": "晴",
"daywind": "西",
"week": "2",
"daypower": "≤3",
"daytemp": "2",
"nightwind": "西",
"nighttemp": "-13",
"nightweather": "晴",
"nightpower": "≤3"
},
{
"date": "2021-12-15",
"dayweather": "多云",
"daywind": "西南",
"week": "3",
"daypower": "4",
"daytemp": "5",
"nightwind": "西南",
"nighttemp": "-12",
"nightweather": "多云",
"nightpower": "4"
},
{
"date": "2021-12-16",
"dayweather": "多云",
"daywind": "西北",
"week": "4",
"daypower": "4",
"daytemp": "-1",
"nightwind": "西北",
"nighttemp": "-18",
"nightweather": "晴",
"nightpower": "4"
}
],
"city": "大同市",
"adcode": "140200",
"reporttime": "2021-12-13 18:04:08"
}</pre>

在这里插入图片描述

测试OK！

推荐阅读：《Spring Boot+Vue全栈开发实战》，点此获取PDF文件完整版

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