关于java:68微信公众号开发涉及到的token和accesstoken

1. 根底反对的 access_token

官网文档：

https://developers.weixin.qq.com/doc/offiaccount/Basic_Information/Get_access_token.html

实现：

CommonConstant.java:

String WXGZH_TOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s";
String WXGZH_SNS_OAUTH2_ACCESS_TOKEN_URL = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code";

public JsonResponse getToken(String appid,String secret){String token = (String)wxgzhCommonCache.getBaseToken(appid);
    if(StringUtils.isEmpty(token)){String url = String.format(CommonConstant.WXGZH_TOKEN_URL,appid,secret);
        String result = okHttpUtil.get(url);
        if(result==null){logger.info("result is null");
            return result(-1,"获取 token 失败",null);
        }
        JSONObject resultObj = JSON.parseObject(result);
        if(resultObj==null){logger.info("result is null");
            return result(-1,"获取 token 失败",null);
        }
        String errcode = resultObj.getString("errcode");
        if(StringUtils.isNotEmpty(errcode)){logger.info("获取 token, 返回谬误,result={}",result);
            return result(-2,"获取 token, 返回谬误",resultObj);
        }
        token = resultObj.getString("access_token");
        int expires_in = resultObj.getInteger("expires_in");
        expires_in = expires_in-300;// 预留 5 分钟
        wxgzhCommonCache.putBaseToken(appid,token,expires_in);
    }
    return result(0,"",token);
}

2. 网页受权须要获取的用户 access_token

官网文档：
https://developers.weixin.qq….
代码实现：

public JsonResponse getAccessToken(String code){String url = String.format(CommonConstant.WXGZH_SNS_OAUTH2_ACCESS_TOKEN_URL,appId,appSecret,code);
    String result = okHttpUtil.get(url);
    JsonResponse js = checkResult(result,"获取 access_token");
    if(js.getCode().intValue()!=0){return js;}
    return js;
}