目錄1.在build.grdle加入依賴2.在config包下創(chuàng)建一個RestTemlateConfig3.在model包下創(chuàng)建一個新的包4.Constans類下將調(diào)用接口的AppKey值宏定義5.在controller包下創(chuàng)建一個6.用Postman調(diào)用接口，驗證是否成功1.在build.grdle加入依賴

implementation(’org.springframework.boot:spring-boot-starter-web’)2.在config包下創(chuàng)建一個RestTemlateConfig

配置好相關(guān)信息

package com.qiubao.school.api.config; import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.http.client.ClientHttpRequestFactory;import org.springframework.http.client.SimpleClientHttpRequestFactory;import org.springframework.web.client.RestTemplate; @Configurationpublic class RestTemplateConfig { @Bean public RestTemplate restTemplate(ClientHttpRequestFactory factory){return new RestTemplate(factory); } @Bean public ClientHttpRequestFactory simpleClientHttpRequestFactory(){SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();factory.setConnectTimeout(15000);factory.setReadTimeout(5000);return factory; }}3.在model包下創(chuàng)建一個新的包

“JuHe”，然后包里創(chuàng)建一個新的類：JuheResult 【Art+insert】選擇CsonFormat

4.Constans類下將調(diào)用接口的AppKey值宏定義

package com.qiubao.school.api.common; public interface Constants { String JUHE_KEY = 'e80611926aa6321048bde9ea73d11190';}5.在controller包下創(chuàng)建一個

新的類SpringRestTemplateController（調(diào)用第三方的API，瀏覽器模擬get請求，postman模擬post請求）

package com.qiubao.school.api.controller; import com.alibaba.fastjson.JSONObject;import com.qiubao.school.api.common.Constants;import com.qiubao.school.api.model.Article;import com.qiubao.school.api.model.juhe.JuheResult;import org.apache.commons.lang3.StringUtils;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.*;import org.springframework.web.client.RestTemplate; import java.util.ArrayList;import java.util.List; @RestController@RequestMapping('news')public class SpringRestTemplateController { @Autowired private RestTemplate restTemplate; /***********HTTP GET method*************/ @GetMapping('/testGetApi') public JuheResult getJson( @RequestParam(value = 'type', required = false) String type ){type = StringUtils.isEmpty(type)?'top':type;//定義為可以為空// 將調(diào)用接口的Key值宏定義一個名字（Constants類下）String url='http://v.juhe.cn/toutiao/index?type='+type+'&key=' + Constants.JUHE_KEY;//將Jason格式轉(zhuǎn)換為對象（增強可讀性、易于后期數(shù)據(jù)的更改和增刪）JuheResult result = restTemplate.getForObject(url, JuheResult.class);return result; }//將調(diào)用的Api的Jason數(shù)據(jù)格式修改為需要的Jason數(shù)據(jù)格式[用到JuheResult方法] private List<Article> convertJuhe2Article(JuheResult result) {List<Article> articles = new ArrayList<>();for (JuheResult.ResultBean.DataBean dataBean: result.getResult().getData()) { Article article = new Article(); article.setUniquekey(dataBean.getUniquekey()); article.setTitle(dataBean.getTitle()); article.setAuthor_name(dataBean.getAuthor_name()); article.setCreateDate(dataBean.getDate()); article.setContent(dataBean.getUrl()); article.setThumbnail_pic_s(dataBean.getThumbnail_pic_s()); article.setThumbnail_pic_s02(dataBean.getThumbnail_pic_s02()); article.setThumbnail_pic_s03(dataBean.getThumbnail_pic_s03()); article.setCategory(dataBean.getCategory()); article.getCommentCount(); article.getLikeCount(); articles.add(article);}return articles; } }6.用Postman調(diào)用接口，驗證是否成功

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