springboot调用第三方查询天气.zip

package xyz.luyie.weather.service.impl; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.ObjectMapper; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.ResponseEntity; import org.springframework.stereotype.Service; import org.springframework.web.client.RestTemplate; import xyz.luyie.weather.service.WeatherService; import xyz.luyie.weather.vo.ResponseResult; /** * Author: 陆袆 >_< * Time: 2020-08-14 11:19 */ @Service @Slf4j public class WeatherServiceImpl implements WeatherService { private final static String URL="http://wthrcdn.etouch.cn/weather_mini?city="; @Autowired private RestTemplate restTemplate; @Override public ResponseResult getCityName(String cityName) { /** * 1.需要cityName * 2.需要网址 http://wthrcdn.etouch.cn/weather_mini?city=赣州 * 3.请求 一般使用httpclient，springboot通过restTemplate 来请求 * 4.获取请求的body */ log.info("下面开始请求第三方"); ResponseEntity<String> responseEntity = restTemplate.getForEntity(URL + cityName, String.class); log.info("responseEntity="+responseEntity); //获取请求的body String responseEntityBody = responseEntity.getBody(); //把 responseEntityBody 转成 ResponseResult，通过ObjectMapper ObjectMapper objectMapper = new ObjectMapper(); ResponseResult responseResult= null; try { // objectMapper.readValue(待转数据,哪个类.class); responseResult = objectMapper.readValue(responseEntityBody, ResponseResult.class); } catch (JsonProcessingException e) { e.printStackTrace(); log.info("转换出了异常"); } return responseResult; } }