钉钉tonken 获取

public String obtainAccessToken() throws ApiException {
        SysPublicParam dingTalkAccessToken = sysPublicParamService.getOne(new LambdaQueryWrapper<SysPublicParam>()
                .eq(SysPublicParam::getPublicKey, "dingTalkAccessToken")
                .eq(SysPublicParam::getDelFlag, "0"));
        if (dingTalkAccessToken == null){
            String accessToken = DingTalkUtil.getAccessToken();
            JSONObject object = JSONUtil.parseObj(accessToken);
            String errcode = object.getStr("errcode");
            String access_token = object.getStr("access_token");
            if (StrUtil.isBlank(errcode) || !errcode.equals("0") || StrUtil.isBlank(access_token)){
                throw new RuntimeException("获取accessToken报错："+accessToken);
            }else{
                //保存accessToken
                SysPublicParam entity = new SysPublicParam();
                entity.setPublicName("钉钉accessToken");
                entity.setPublicKey("dingTalkAccessToken");
                entity.setPublicValue(access_token);
                entity.setCreateTime(new Date());
                entity.setDelFlag("0");
                sysPublicParamService.save(entity);
                return access_token;
            }
        }else{
            //accessToken有效期为2小时 系统比较一个半小时
            Date old = dingTalkAccessToken.getCreateTime();
            Date now = new Date();
            long betweenMinute = DateUtil.between(old, now, DateUnit.MINUTE);
            //如果间隔时间超过90分钟了就需要重新请求accessToken
            if (Long.valueOf(betweenMinute).intValue() > 90){
                String accessToken = DingTalkUtil.getAccessToken();
                JSONObject object = JSONUtil.parseObj(accessToken);
                String errcode = object.getStr("errcode");
                String access_token = object.getStr("access_token");
                if (StrUtil.isBlank(errcode) || !errcode.equals("0") || StrUtil.isBlank(access_token)){
                    throw new RuntimeException("获取accessToken报错："+accessToken);
                }else{
                    dingTalkAccessToken.setCreateTime(new Date());
                    dingTalkAccessToken.setPublicValue(access_token);
                    sysPublicParamService.updateById(dingTalkAccessToken);
                    return access_token;
                }
            }else{
//                System.out.println("token还有效");
                return dingTalkAccessToken.getPublicValue();
            }
        }

    }

public static String getAccessToken() throws ApiException {
        DingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk.com/gettoken");
        OapiGettokenRequest request = new OapiGettokenRequest();
        request.setAppkey(APP_KEY);
        request.setAppsecret(APP_SECRET);
        request.setHttpMethod("GET");
        OapiGettokenResponse response = client.execute(request);
        return response.getBody().toString();
    }