RestTemplate get请求携带headers 自动拼接参数

  /**
     * 根据get方式请求接口
     * @param url
     * @param map
     * @param restTemplate
     * @return
     */
    public static JSONObject requestByGet(String url,HashMap map, RestTemplate restTemplate,HttpHeaders headers){

        // header填充
        HttpEntity> request = new HttpEntity(null,headers);

        UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(url);
        ResponseEntity responseEntity;
        //如果存在參數
        if(!map.isEmpty()){
            for (Map.Entry e:
                    map.entrySet()) {
                //构建查询参数
                builder.queryParam(e.getKey(),e.getValue());
            }
            //拼接好参数后的URl//test.com/url?param1={param1}¶m2={param2};
            String  reallyUrl=builder.build().toString();
            responseEntity  =restTemplate.exchange(reallyUrl,HttpMethod.GET,request,String.class);
        }else{
            responseEntity=restTemplate.exchange(url,HttpMethod.GET,request,String.class);
        }



       return getJSONObjectForResponseEntity(responseEntity);




    }