@ApiOperation("test")
    @PostMapping("test")
    @ResponseBody
    public String test() {
        int count = 200;
        String url = "http://localhost:8080/newrank/getNewRankCityInfo";
        CountDownLatch latch = new CountDownLatch(count);
         RankCityReq req = new RankCityReq();
        req.setRankType(1);
        for (int i = 0; i < count; i++) {
            int finalI = i;
            new Thread() {
                @Override
                public void run() {
                    try {
                        latch.await();
                        //在此处执行要调用的接口
                        String response = HttpRequestUtil.connect(url)
                                .header("Content-Type", "application/json")
                                .charset("utf-8")
                                .timeout(5000)
                                 .json(JSON.toJSONString(req))
                                .post()
                                .html();
                        if (StringUtils.isNotBlank(response)) {
                            BaseResponse<NewRankCityInfoResp> newRankCityInfoRespBaseResponse = JSON.parseObject(response, new TypeReference<BaseResponse<NewRankCityInfoResp>>() {
                            });
                            System.out.println(JSON.toJSONString(newRankCityInfoRespBaseResponse) + "ok_" + finalI);
                        }
                    } catch (Exception e) {
                    }
                }
            }.start();//每循环一次，就启动一个新的线程
            latch.countDown();//每启动一个新的线程，count--
        }
        return "ok";
    }