使用httpClient调用接口获取响应数据

import lombok.extern.slf4j.Slf4j; import okhttp3.*;  /**  * 需要注入依赖  *  <dependency> *         <groupId>com.squareup.okhttp3</groupId>  *        <artifactId>okhttp</artifactId>  *        <version>3.6.0</version>  *  </dependency>  */ @Slf4j public class HttpClientUtils {      public static final MediaType JSON = MediaType.parse("application/json;charset=utf-8");      /**      * get请求获取请求数据      * @param url      * @return      */     public static String httpGet(String url){         String getData ;         OkHttpClient httpClient = new OkHttpClient();         Request request = new Request.Builder()                 .url(url)                 .build();         try {             Response response = httpClient.newCall(request).execute();             getData = response.body().string();          }catch (Exception e){             log.info("【发送 GET 请求出现异常】！" + e.getMessage());             return "-1";         }         return getData;     }       /**      * post请求获取请求数据      * @param url      * @param json      * json数据的生成方式（可选）；      *      JSONObject json=new JSONObject();      *      json.put("name","张三");      *      json.put("sex","男");等      *      json.toString()      * @return      */     public static String httpPost(String url, String json){         String postData ;         OkHttpClient httpClient = new OkHttpClient();         RequestBody requestBody = RequestBody.create(JSON, json);         Request request = new Request.Builder()                 .url(url)                 .post(requestBody)                 .build();         try {             Response response = httpClient.newCall(request).execute();             postData = response.body().string();         }catch (Exception e){             log.info("【发送 POST 请求出现异常】！" + e.getMessage());             return "-1";         }         return postData;     }      public static void main(String[] args) {         String loadJSON = httpGet("https://vhouyun.com/goods/RankGoodsList?day=yesterday&role=3");         System.out.println(loadJSON);         //post方式请求自己测试即可     }  }