java调用 RestTemplate post上传

    public void 方法名() {
        RestTemplate restTemplate = new RestTemplate();
        String url = "http://目标地址";
        MultiValueMap<String, String> params = new LinkedMultiValueMap<>();
        params.add("post传输key", "post传输value");
        params.add("key", "value");
        params.add("键", "值");

        HttpHeaders headers = new HttpHeaders();//设置请求头
        headers.set("键key", "值value");
        HttpEntity<MultiValueMap<String, String>> request = new HttpEntity<>(params, headers);//传输对象
        ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.POST, request, String.class);//接收返回结果
        String body = response.getBody();
        if (body != null) {
            fixString(body);//解析方法
        }
    }

//解析方法： 根据个人需求解析就好
    private void fixString(String str) {
        List<String> list = new ArrayList<>();
        for (String s : str.split(",")) {
            list.addAll(Arrays.asList(s.split("\"")));
        }
        Iterator<String> iterator = list.iterator();
        while (iterator.hasNext()) {
            String s = iterator.next();
            if (s.equals("{")) {
                iterator.remove();
            }
            if (s.equals("}")) {
                iterator.remove();
            }
            if (s.equals(":")) {
                iterator.remove();
            }
        }
        try {
            String access_token = null;
//            JSONArray jsonArray = new JSONArray();
            for (int i = 0; i < list.size(); i++) {
                if (list.get(i).equals("需求提取字段")) {
                    JSONObject jsonObject = new JSONObject();
                    存储字段 = "bearer " + list.get(i + 1);
                    jsonObject.put("存储字段", 存储内容);
//                jsonArray.put(jsonObject);
                    System.out.println("----------------------------------------------------");
                    System.out.println(jsonObject);
                    System.out.println("----------------------------------------------------");
                }
            }
        } catch (JSONException e) {
            System.out.println(e.getMessage());
        }
    }