restTemplate 发送post 请求

        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
        String REQUEST_SN = UUIDUtils.generate32BitId();
        //请求***，企业随机生成
        headers.add("REQUEST_SN",REQUEST_SN);
        //商户号
        headers.add("CUST_ID",zcStation.getMerchantId());
        //操作员账号
        headers.add("USER_ID",zcStation.getUserId());
        //操作员交易密码
        headers.add("PASSWORD",zcStation.getPassword());
        //交易码
        headers.add("TX_CODE","5W1004");
        //语言
        headers.add("LANGUAGE","CN");
        //请求体内容
        MultiValueMap<String, String> map = new LinkedMultiValueMap<>();
        map.add("ORDER", orderNo);
        map.add("MONEY", zcBookedEntity.getPrice().toString());
        //构建请求参数，包括请求头，请求体body
        HttpEntity<MultiValueMap<String, String>> request = new HttpEntity<>(map, headers);
        //发送请求
        ResponseEntity<String> response = restTemplate.postForEntity(url, request, String.class);