HttpClient 调用示例

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import com.alibaba.fastjson.JSON; import com.software.boot.common.entity.Response; import lombok.extern.slf4j.Slf4j; import org.apache.commons.lang.time.DateFormatUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.cloud.context.config.annotation.RefreshScope; import org.springframework.http.*; import org.springframework.stereotype.Service; import org.springframework.web.client.RestTemplate;   import java.util.*; import java.util.stream.Collectors;   @Service @Slf4j @RefreshScope public class TodoServiceImpl implements TodoService {         @Autowired     RestTemplate restTemplate;       @Value("${micro.service.RY.service}")     private String ryUrl;     @Value("${micro.service.RY.ryBriefs}")     private String ryBriefs;       @Override     public Response<?> list(TodoRequest request) {         request.setScheduleDate(DateFormatUtils.format(new Date(), "yyyy-MM-dd"));         HttpHeaders headers = new HttpHeaders();         headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));         headers.set("employeeId", request.getEmployeeId());         log.info(">>>> Method:todoList>>Begin request:{}", request);         HttpEntity<String> entity = new HttpEntity<String>("", headers);         ResponseEntity<YqApiResult> responseEntity = restTemplate.exchange(ryUrl + "/integrate/yq/getSchedule?shopId=" + request.getShopId() + "&userCode=" + request.getEmployeeId(), HttpMethod.GET, entity, YqApiResult.class);         HttpStatus statusCode = responseEntity.getStatusCode();         int code = statusCode.value();         log.info(">>> " + ryUrl + "/integrate/yq/getSchedule,result http status: {}", code);         YqApiResult body = responseEntity.getBody();         log.info(">>> /integrate/yq/getSchedule,response body: {}", body);         if (body == null) {             return Response.error(BusinessError.CALL_FAILED);         }         List<TodoResponse> data = body.getData();         return Response.success(getQuantity(request, data));     }         /**      * 查询待办数量      *      * @param quest      * @param data      * @return      */     private List<TodoResponse> getQuantity(TodoRequest quest, List<TodoResponse> data) {         try {             if (data == null) {                 return data;             }             List<ScheduleCode> codeList = new ArrayList<>();             data.forEach(item -> {                 ScheduleCode codeItem = new ScheduleCode();                 codeItem.setScheduleCode(item.getScheduleCode());                 codeList.add(codeItem);             });               TodoIconRequest request = new TodoIconRequest();             request.setData(codeList);             request.setShopId(quest.getShopId());             request.setUserCode(quest.getEmployeeId());             request.setScheduleDate(quest.getScheduleDate());                 HttpHeaders requestHeaders = new HttpHeaders();             requestHeaders.setContentType(MediaType.APPLICATION_JSON_UTF8);             requestHeaders.set("employeeId", quest.getEmployeeId());             requestHeaders.set("token", quest.getToken());             requestHeaders.set("innerToken", ryBriefs);             log.info(">>> Req quantity {},request header {}", JSON.toJSON(request), requestHeaders);             HttpEntity<TodoIconRequest> requestEntity = new HttpEntity<>(request, requestHeaders);             ResponseEntity<YqApiQuantityResult> quantityResp = null;             quantityResp = restTemplate.postForEntity(ryUrl + "/schedule/yq/getScheduleQuantity", requestEntity, YqApiQuantityResult.class);             log.info(">>> Quantity response,{}", quantityResp); //            YqApiQuantityResult body = JSON.parseObject(JSON.toJSONString(quantityResponse), new TypeReference<YqApiQuantityResult>() { //            });             YqApiQuantityResult body = quantityResp.getBody();             if (body == null) {                 return data;             }             List<TodoIconResponse> numData = body.getData();             if (numData != null) {                 Map<String, Integer> buMap = numData.stream().collect(Collectors.toMap(TodoIconResponse::getScheduleCode, TodoIconResponse::getQuantity, (key1, key2) -> key1));                 //设置角标                 for (int i = 0; i < data.size(); i++) {                     TodoResponse item = data.get(i);                     Integer num = buMap.getOrDefault(item.getScheduleCode(), 0);                     item.setQuantity(num == null ? 0 : num);                     data.set(i, item);                 }             }             return data;         } catch (Exception e) {             log.info(">>> Call Failed {},use default 0", e.getMessage());         }         return data;     } }