请求地址

  String requestUrl = “https://api.weixin.qq.com/sns/oauth2/access_token?appid=APPID&secret=SECRET&code=CODE&grant_type=authorization_code”;

  requestUrl = requestUrl.replace(“APPID”, appId);

  requestUrl = requestUrl.replace(“SECRET”, appSecret);

  requestUrl = requestUrl.replace(“CODE”, code);

  获取授权凭证

  JSONObject jsonObject = WeixinUtil.httpRequest(requestUrl, “GET”, null);

if (null != jsonObject) {

   try {

    wat = new WeixinOauth2Token();

    wat.setAccessToken(jsonObject.getString(“access_token”));

    wat.setExpiresIn(jsonObject.getInt(“expires_in”));

    wat.setRefreshToken(jsonObject.getString(“refresh_token”));

    wat.setOpenId(jsonObject.getString(“openid”));

    wat.setScope(jsonObject.getString(“scope”));

   } catch (Exception e) {

    wat = null;

    int errorCode = jsonObject.getInt(“errcode”);

    String errorMsg = jsonObject.getString(“errmsg”);

    log.error(“获取授权凭证失败 errcode:{} errmsg:{}”, errorCode, errorMsg);

   }

  }