MultiValueMap在post请求中的使用

　　如果data-form的方式处理post，有点区别，做个记录

    public String robotSpeak(String speakMsg) {
        log.info("机器人语音播报请求:{}", speakMsg);
        // header
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
        //接口参数
        MultiValueMap<String, Object> map = new LinkedMultiValueMap<>();
        map.add("robUuid", RobotInfoConstant.ROBOT_UUID);
        map.add("controlType", 1);
        map.add("broadcastContent", speakMsg);
        // 请求
        HttpEntity<MultiValueMap<String, Object>> request = new HttpEntity<>(map, headers);
        ResponseEntity<String> entity = httpClientTemplate.postForEntity(RobotInfoConstant.ROBOT_SERVER_URL + RobotInfoConstant.INSTRUCTION_CONTROL_PATH, request, String.class);
        log.info("机器人语音播报返回结果={}", JSON.toJSONString(entity));
        return "成功";
    }