/**
 * 判断wifi状态
 *
 * @param barcode
 * @return
 */
​​​​​​​@SneakyThrows
@Override
public Boolean status(String barcode) {
    //获取coolkit的accessToken
    CoolkitATDTO coolkitATDTO = eqmtEquipmentMapper.getCoolkitAT();
    String coolkitAT = coolkitATDTO.getCoolkitAT();
    String message = "";
    message = "{\"thingList\":[{\"itemType\":1,\"id\":\"" + barcode + "\"}]}";
    //创建Httpclient对象
    CloseableHttpClient httpClient = HttpClients.createDefault();
    CloseableHttpResponse response = null;
    String responseString = "";
    Boolean online = null;
    try {
        //创建Http Post请求
        HttpPost httpPost = new HttpPost("https://cn-apia.coolkit.cn/v2/device/thing");
        //创建请求内容
        //请求参数
        JSONObject jsonObject = JSONObject.parseObject(message);
        String messageJson = JSONObject.toJSONString(jsonObject);
        StringEntity entity = new StringEntity(messageJson, ContentType.APPLICATION_JSON);
        httpPost.setEntity(entity);
        //请求头
        httpPost.setHeader("X-CK-Appid", "Zuw4KSY6wdFTUPLnvyBqwfXvLOMzBPvU");
        httpPost.setHeader("Content-Type", "application/json");
        httpPost.setHeader("Authorization", "Bearer " + coolkitAT);
        //执行http请求
        response = httpClient.execute(httpPost);
        responseString = EntityUtils.toString(response.getEntity(), "utf-8");
        JSONObject responseJsonObject = JSON.parseObject(responseString);
        String dataString = responseJsonObject.getString("data");
        JSONObject dataJsonObject = JSON.parseObject(dataString);
        String thingListString = dataJsonObject.getString("thingList");
        JSONArray thingListStringArray = JSONArray.parseArray(thingListString);
        JSONObject thingObject = (JSONObject) thingListStringArray.get(0);
        String itemDataString = thingObject.getString("itemData");
        JSONObject itemDataJsonObject = JSON.parseObject(itemDataString);
        //String itemString = itemDataJsonObject.getString("params");
        //JSONObject itemJsonObject = JSON.parseObject(itemString);
        // System.out.print(itemDataJsonObject+"ppp"+itemJsonObject.getString("switch"));
        online = Boolean.parseBoolean(itemDataJsonObject.getString("online"));
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (response != null) {
                response.close();
            }
            httpClient.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    //online为true表示wifi在线，为false表示wifi离线
    return online;
}

java请求易微联开发平台的接口，获取到设备的相关信息

itemDataJsonObject这个就是获取到的返回数据信息，根据自己的项目需要进行使用相关数据。

完整代码获取地址https://download.csdn.net/download/qq_31151123/86936380