使用Feign调用第三方http接口

@FeignClient(name = "my-feign-client", url = "http://**")
public interface MyFeignClient{  
   @RequestMapping(value = "**", method = RequestMethod.GET)
   ResponseEntity getMsg(@RequestParam("token") String token);    
}

<dependency>
    <groupId>io.github.openfeign</groupId>
    <artifactId>feign-core</artifactId>
    <version>9.5.0</version>
</dependency>
<dependency>
    <groupId>com.netflix.feign</groupId>
    <artifactId>feign-gson</artifactId>
    <version>8.18.0</version>
</dependency>
<dependency>
    <groupId>io.github.openfeign</groupId>
    <artifactId>feign-slf4j</artifactId>
    <version>9.5.0</version>
</dependency>
<dependency>
    <groupId>io.github.openfeign</groupId>
    <artifactId>feign-hystrix</artifactId>
    <version>9.5.0</version>
</dependency>
<dependency>
    <groupId>io.github.openfeign</groupId>
    <artifactId>feign-jackson</artifactId>
    <version>9.5.0</version>
</dependency>

package com.geewise.ddsp.phonecollect.api; 
import com.alibaba.fastjson.JSONObject;
import feign.Param;
import feign.RequestLine; 
import java.net.MalformedURLException;
 
/**
 * 手机号查询地区
 */
public interface DetailPhoneClient {
    /**
     * http://mobsec-dianhua.baidu.com/dianhua_api/open/location?tel=13322222222&qq-pf-to=pcqq.c2c
     * response:{"response":{"13322222222":{"detail":{"area":[{"city":"大连"}],"province":"辽宁","type":"domestic","operator":"电信"},"location":"辽宁大连电信"}},"responseHeader":{"status":200,"time":1539141421138,"version":"1.1.0"}}
     * @param tel
     * @return
     */
    @RequestLine("GET /open/location?tel={tel}&qq-pf-to=pcqq.c2c")
    JSONObject getDetailByPhone(@Param(value = "tel") String tel);
}

 /**
     * 用手机号查询所属地域
     *
     * @param phone 手机号
     * @return 所属地域
     */
    private String getCityByPhone(String phone) {
        DetailPhoneClient detailPhoneClient = Feign.builder()
                .decoder(new GsonDecoder())
                .target(DetailPhoneClient.class, "http://mobsec-dianhua.baidu.com/dianhua_api");
        JSONObject detailByPhone = detailPhoneClient.getDetailByPhone(phone);
        logger.info("查询手机号所属地区：" + detailByPhone);
        // 获取手机号信息的数据
        if (!detailByPhone.containsKey("response")) {
            return null;
        }
        JSONObject response = detailByPhone.getJSONObject("response");
        if (!response.containsKey(phone)) {
            return null;
        }
        JSONObject phoneDetail = response.getJSONObject(phone);
        if (!phoneDetail.containsKey("detail")) {
            return null;
        }
        JSONObject detail = phoneDetail.getJSONObject("detail");
        if (!detail.containsKey("area")) {
            return null;
        }
        JSONArray area = detail.getJSONArray("area");
        if (area.size() == 0) {
            return null;
        }
        JSONObject cityJsonObject = area.getJSONObject(0);
        if (!cityJsonObject.containsKey("city")) {
            return null;
        }
        return cityJsonObject.getString("city");
    }

@Headers("Content-Type: application/xml")