便捷缴费 支付 (二)

  //配置授权地址就跳到这里，第一次code不用赋值，rurl放授权过后跳转的地址
 public ActionResult Index(string code, string rurl)
        {
            bool flag = HJFController.config == null;
            if (flag)
            {
                this.Reload();
            }
            //微信公众号，开发密码，公众号网页授权地址，放配置里面
            string appid = HJFController.config.appid;
            string secret = HJFController.config.secret;
            string redirecturl = HJFController.config.redirecturl;

            if (!string.IsNullOrWhiteSpace(rurl))
                Session["xxxxxxxxxx"] = rurl;
            bool flag2 = string.IsNullOrEmpty(code);
            ActionResult result;
            if (flag2)
            {
                string url = string.Format("https://open.weixin.qq.com/connect/oauth2/authorize?appid={0}&redirect_uri={1}&response_type=code&scope=snsapi_base&state=STATE#wechat_redirect", appid, HttpUtility.UrlEncode(redirecturl));
                result = this.Redirect(url);
            }
            else
            {
                WebClient webClient = new WebClient();
                webClient.Encoding = Encoding.UTF8;
                string address = string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", appid, secret, code);
                string input = webClient.DownloadString(address);
                JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer();
                Dictionary<string, string> dictionary = javaScriptSerializer.Deserialize<Dictionary<string, string>>(input);
                string text;
                bool flag3 = !dictionary.TryGetValue("access_token", out text);
                if (flag3)
                {
                    result = base.Content("Error");
                }
                else
                {
                    string arg = dictionary["openid"];
                    Session["WeiXinOpenId"] = arg;
                    string x = string.Empty;
                    var rr = Session["xxxxxxxxxx"];
                    if (rr != null)
                        x = System.Web.HttpUtility.UrlEncode(rr.ToString());
                    result = this.Redirect(string.Format("{0}?openid={1}&url={2}", HJFController.config.finalurl, arg, x));
                }
            }
            return result;
        }

   /// <summary>
        /// 从手机端公从号支付
        /// </summary>
        /// <param name="ddh">订单号</param>
        /// <param name="allMoney">总金额</param>
        /// <param name="attach">附加信息</param>
        /// <param name="sub_openid">支付用户的openid</param>
        /// <param name="callback_url">支付完成后的返回地址</param>
        /// <param name="f">是否原生态支付</param>
        /// <returns></returns>
        public Result getAppPayUrl(string ddh, string allMoney, string attach, string sub_openid, string callback_url, bool f)
        {
            var ipAddress = PayHelper.WeiXinHZ.PayHZ.GetHostAddress();
            RequestHandler reqHandler = new RequestHandler(null);
            reqHandler.setParameter("service", "pay.weixin.jspay");//接口类型：pay.weixin.jspay
            reqHandler.setParameter("mch_id", MerchantId);//必填项，商户号，由威富通分配    
            if (!string.IsNullOrEmpty(Sub_appid))
            {
                reqHandler.setParameter("sub_appid", Sub_appid);//微信Sub_appid
            }
            reqHandler.setParameter("notify_url", notify_url);//通知地址，必填项，接收威富通通知的URL，需给绝对路径，255字符内;此URL要保证外网能访问 
            reqHandler.setParameter("callback_url", callback_url);
            reqHandler.setParameter("out_trade_no", ddh);//商户订单号
            reqHandler.setParameter("body", ddh);//商品描述
            reqHandler.setParameter("attach", attach);//附加信息 存放支付方式编码，方便回写库
            reqHandler.setParameter("total_fee", allMoney);//总金额
            reqHandler.setParameter("mch_create_ip", ipAddress);//终端IP
            if (!string.IsNullOrWhiteSpace(MerchantId) && MerchantId != "7551000001")//测试商户号    
                reqHandler.setParameter("sub_openid", sub_openid);//用户openid

            //使用测试商户号不需要传用户openid；切换正式的商户号需获取openid,
            //在请求参数里增加sub_openid字段，并把获取的openid值传给sub_openid。
            //在切换成正式商户号传sub_openid参数前，需提供 正式商户号和公众号（服务号）appid由我方配置，
            //如果没有配置的话，会报sub_appid and sub_openid not match错误，导 致无法正常调用接口
            if (isRsaKey())
            {
                reqHandler.setParameter("sign_type", "RSA_1_256");//签名类型，
            }
            else
            {
                reqHandler.setParameter("sign_type", "MD5");//签名类型，取值：MD5 默认：MD5
            }
            // reqHandler.setParameter("service", "pay.weixin.native");//接口类型：pay.weixin.native pay.alipay.native
            // reqHandler.setParameter("nonce_str", Utils.random()); //后已经赋值了
            if (f)
                reqHandler.setParameter("is_raw", "1");//是否原生态
            var strdata = Exe(reqHandler);
            if (isRsaKey())
                MerchantKey = MerchantPublicKey; //如果是rsa 则返回结果 需要传递 公钥
            var result = new TokenResult(strdata, MerchantKey);
            if (result.Success)
            {
                if (f)
                {
                    return new Result { Success = true, Message = result.pay_info };
                }
                else
                {
                    var msg = string.Format("https://pay.swiftpass.cn/pay/jspay?token_id={0}&showwxtitle=1", result.token_id);
                    return new Result { Success = true, Message = msg };
                }
            }
            return new Result { Success = false, Message = result.message ?? (result.err_code + result.err_msg) };
        }