Пример #1
0
        /**
         *
         * 通过code换取网页授权access_token和openid的返回数据,正确时返回的JSON数据包如下:
         * {
         *  "access_token":"ACCESS_TOKEN",
         *  "expires_in":7200,
         *  "refresh_token":"REFRESH_TOKEN",
         *  "openid":"OPENID",
         *  "scope":"SCOPE",
         *  "unionid": "o6_bmasdasdsad6_2sgVt7hMZOPfL"
         * }
         * 其中access_token可用于获取共享收货地址
         * openid是微信支付jsapi支付接口统一下单时必须的参数
         * 更详细的说明请参考网页授权获取用户基本信息:http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
         * @失败时抛异常WxPayException
         */
        public void GetOpenidAndAccessTokenFromCode(string code)
        {
            try
            {
                //构造获取openid及access_token的url
                WxPayData data = new WxPayData();
                data.SetValue("appid", WxPayConfig.APPID);
                data.SetValue("secret", WxPayConfig.APPSECRET);
                data.SetValue("code", code);
                data.SetValue("grant_type", "authorization_code");
                string url = "https://api.weixin.qq.com/sns/oauth2/access_token?" + data.ToUrl();

                //请求url以获取数据
                string result = HttpService.Get(url);

                Log.Debug(this.GetType().ToString(), "GetOpenidAndAccessTokenFromCode response : " + result);

                //保存access_token,用于收货地址获取
                JsonData jd = JsonMapper.ToObject(result);
                access_token = (string)jd["access_token"];

                //获取用户openid
                openid = (string)jd["openid"];

                Log.Debug(this.GetType().ToString(), "Get openid : " + openid);
                Log.Debug(this.GetType().ToString(), "Get access_token : " + access_token);
            }
            catch (Exception ex)
            {
                Log.Error(this.GetType().ToString(), ex.ToString());
                throw new WxPayException(ex.ToString());
            }
        }
Пример #2
0
        /**
         *
         * 获取收货地址js函数入口参数,详情请参考收货地址共享接口:http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_9
         * @return string 共享收货地址js函数需要的参数,json格式可以直接做参数使用
         */
        public string GetEditAddressParameters()
        {
            string parameter = "";

            try
            {
                string host        = page.Request.Url.Host;
                string path        = page.Request.Path;
                string queryString = page.Request.Url.Query;
                //这个地方要注意,参与签名的是网页授权获取用户信息时微信后台回传的完整url
                string url = "http://" + host + path + queryString;

                //构造需要用SHA1算法加密的数据
                WxPayData signData = new WxPayData();
                signData.SetValue("appid", WxPayConfig.APPID);
                signData.SetValue("url", url);
                signData.SetValue("timestamp", WxPayApi.GenerateTimeStamp());
                signData.SetValue("noncestr", WxPayApi.GenerateNonceStr());
                signData.SetValue("accesstoken", access_token);
                string param = signData.ToUrl();

                Log.Debug(this.GetType().ToString(), "SHA1 encrypt param : " + param);
                //SHA1加密
                string addrSign = FormsAuthentication.HashPasswordForStoringInConfigFile(param, "SHA1");
                Log.Debug(this.GetType().ToString(), "SHA1 encrypt result : " + addrSign);

                //获取收货地址js函数入口参数
                WxPayData afterData = new WxPayData();
                afterData.SetValue("appId", WxPayConfig.APPID);
                afterData.SetValue("scope", "jsapi_address");
                afterData.SetValue("signType", "sha1");
                afterData.SetValue("addrSign", addrSign);
                afterData.SetValue("timeStamp", signData.GetValue("timestamp"));
                afterData.SetValue("nonceStr", signData.GetValue("noncestr"));

                //转为json格式
                parameter = afterData.ToJson();
                Log.Debug(this.GetType().ToString(), "Get EditAddressParam : " + parameter);
            }
            catch (Exception ex)
            {
                Log.Error(this.GetType().ToString(), ex.ToString());
                throw new WxPayException(ex.ToString());
            }

            return(parameter);
        }
Пример #3
0
 /**
  *
  * 网页授权获取用户基本信息的全部过程
  * 详情请参看网页授权获取用户基本信息:http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html
  * 第一步:利用url跳转获取code
  * 第二步:利用code去获取openid和access_token
  *
  */
 public void GetOpenidAndAccessToken()
 {
     if (!string.IsNullOrEmpty(page.Request.QueryString["code"]))
     {
         //获取code码,以获取openid和access_token
         string code = page.Request.QueryString["code"];
         Log.Debug(this.GetType().ToString(), "Get code : " + code);
         GetOpenidAndAccessTokenFromCode(code);
     }
     else
     {
         //构造网页授权获取code的URL
         string    host         = page.Request.Url.Host;
         string    path         = page.Request.Path;
         string    redirect_uri = HttpUtility.UrlEncode("http://" + host + path);
         WxPayData data         = new WxPayData();
         data.SetValue("appid", WxPayConfig.APPID);
         data.SetValue("redirect_uri", redirect_uri);
         data.SetValue("response_type", "code");
         data.SetValue("scope", "snsapi_base");
         data.SetValue("state", "STATE" + "#wechat_redirect");
         string url = "https://open.weixin.qq.com/connect/oauth2/authorize?" + data.ToUrl();
         Log.Debug(this.GetType().ToString(), "Will Redirect to URL : " + url);
         try
         {
             //触发微信返回code码
             page.Response.Redirect(url);//Redirect函数会抛出ThreadAbortException异常,不用处理这个异常
         }
         catch (System.Threading.ThreadAbortException ex)
         {
         }
     }
 }