Beispiel #1
0
        /**
         *
         * 转换短链接
         * 该接口主要用于扫码原生支付模式一中的二维码链接转成短链接(weixin://wxpay/s/XXXXXX),
         * 减小二维码数据量,提升扫描速度和精确度。
         * @param WxPayData inputObj 提交给转换短连接API的参数
         * @param int timeOut 接口超时时间
         * @throws WxPayException
         * @return 成功时返回,其他抛异常
         */
        public static WxPayData ShortUrl(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/tools/shorturl";

            //检测必填参数
            if (!inputObj.IsSet("long_url"))
            {
                throw new WxPayException("需要转换的URL,签名用原串,传输需URL encode!");
            }

            inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID());  //公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID()); //商户号
            inputObj.SetValue("nonce_str", GenerateNonceStr());              //随机字符串
            inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_HMAC_SHA256); //签名类型
            inputObj.SetValue("sign", inputObj.MakeSign());                  //签名
            string xml = inputObj.ToXml();

            var start = DateTime.Now;//请求开始时间

            WxPayLog.Debug("WxPayApi", "ShortUrl request : " + xml);
            string response = HttpService.Post(xml, url, false, timeOut);

            WxPayLog.Debug("WxPayApi", "ShortUrl response : " + response);

            var end      = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);

            WxPayData result = new WxPayData();

            result.FromXml(response);
            ReportCostTime(url, timeCost, result);//测速上报

            return(result);
        }
        /**
         *
         * 检测签名是否正确
         * 正确返回true,错误抛异常
         */
        public bool CheckSign(string signType)
        {
            //如果没有设置签名,则跳过检测
            if (!IsSet("sign"))
            {
                WxPayLog.Error(this.GetType().ToString(), "WxPayData签名存在但不合法!");
                throw new WxPayException("WxPayData签名存在但不合法!");
            }
            //如果设置了签名但是签名为空,则抛异常
            else if (GetValue("sign") == null || GetValue("sign").ToString() == "")
            {
                WxPayLog.Error(this.GetType().ToString(), "WxPayData签名存在但不合法!");
                throw new WxPayException("WxPayData签名存在但不合法!");
            }

            //获取接收到的签名
            string return_sign = GetValue("sign").ToString();

            //在本地计算新的签名
            string cal_sign = MakeSign(signType);

            if (cal_sign == return_sign)
            {
                return(true);
            }

            WxPayLog.Error(this.GetType().ToString(), "WxPayData签名验证错误!");
            throw new WxPayException("WxPayData签名验证错误!");
        }
Beispiel #3
0
        /**
         *
         * 申请退款
         * @param WxPayData inputObj 提交给申请退款API的参数
         * @param int timeOut 超时时间
         * @throws WxPayException
         * @return 成功时返回接口调用结果,其他抛异常
         */
        public static WxPayData Refund(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/secapi/pay/refund";

            //检测必填参数
            if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
            {
                throw new WxPayException("退款申请接口中,out_trade_no、transaction_id至少填一个!");
            }
            else if (!inputObj.IsSet("out_refund_no"))
            {
                throw new WxPayException("退款申请接口中,缺少必填参数out_refund_no!");
            }
            else if (!inputObj.IsSet("total_fee"))
            {
                throw new WxPayException("退款申请接口中,缺少必填参数total_fee!");
            }
            else if (!inputObj.IsSet("refund_fee"))
            {
                throw new WxPayException("退款申请接口中,缺少必填参数refund_fee!");
            }
            else if (!inputObj.IsSet("op_user_id"))
            {
                throw new WxPayException("退款申请接口中,缺少必填参数op_user_id!");
            }

            inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID());             //公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID());            //商户号
            inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", "")); //随机字符串
            inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_HMAC_SHA256);            //签名类型
            inputObj.SetValue("sign", inputObj.MakeSign());                             //签名

            string xml   = inputObj.ToXml();
            var    start = DateTime.Now;

            WxPayLog.Debug("WxPayApi", "Refund request : " + xml);
            string response = HttpService.Post(xml, url, true, timeOut);//调用HTTP通信接口提交数据到API

            WxPayLog.Debug("WxPayApi", "Refund response : " + response);

            var end      = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时

            //将xml格式的结果转换为对象以返回
            WxPayData result = new WxPayData();

            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报

            return(result);
        }
Beispiel #4
0
        /**
         * 提交被扫支付API
         * 收银员使用扫码设备读取微信用户刷卡授权码以后,二维码或条码信息传送至商户收银台,
         * 由商户收银台或者商户后台调用该接口发起支付。
         * @param WxPayData inputObj 提交给被扫支付API的参数
         * @param int timeOut 超时时间
         * @throws WxPayException
         * @return 成功时返回调用结果,其他抛异常
         */
        public static WxPayData Micropay(WxPayData inputObj, int timeOut = 10)
        {
            string url = "https://api.mch.weixin.qq.com/pay/micropay";

            //检测必填参数
            if (!inputObj.IsSet("body"))
            {
                throw new WxPayException("提交被扫支付API接口中,缺少必填参数body!");
            }
            else if (!inputObj.IsSet("out_trade_no"))
            {
                throw new WxPayException("提交被扫支付API接口中,缺少必填参数out_trade_no!");
            }
            else if (!inputObj.IsSet("total_fee"))
            {
                throw new WxPayException("提交被扫支付API接口中,缺少必填参数total_fee!");
            }
            else if (!inputObj.IsSet("auth_code"))
            {
                throw new WxPayException("提交被扫支付API接口中,缺少必填参数auth_code!");
            }

            inputObj.SetValue("spbill_create_ip", WxPayConfig.GetConfig().GetIp());     //终端ip
            inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID());             //公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID());            //商户号
            inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", "")); //随机字符串
            inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_HMAC_SHA256);            //签名类型
            inputObj.SetValue("sign", inputObj.MakeSign());                             //签名
            string xml = inputObj.ToXml();

            var start = DateTime.Now;//请求开始时间

            WxPayLog.Debug("WxPayApi", "MicroPay request : " + xml);
            string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API

            WxPayLog.Debug("WxPayApi", "MicroPay response : " + response);

            var end      = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时

            //将xml格式的结果转换为对象以返回
            WxPayData result = new WxPayData();

            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报

            return(result);
        }
Beispiel #5
0
        /**
         *
         * 测速上报接口实现
         * @param WxPayData inputObj 提交给测速上报接口的参数
         * @param int timeOut 测速上报接口超时时间
         * @throws WxPayException
         * @return 成功时返回测速上报接口返回的结果,其他抛异常
         */
        public static WxPayData Report(WxPayData inputObj, int timeOut = 1)
        {
            string url = "https://api.mch.weixin.qq.com/payitil/report";

            //检测必填参数
            if (!inputObj.IsSet("interface_url"))
            {
                throw new WxPayException("接口URL,缺少必填参数interface_url!");
            }
            if (!inputObj.IsSet("return_code"))
            {
                throw new WxPayException("返回状态码,缺少必填参数return_code!");
            }
            if (!inputObj.IsSet("result_code"))
            {
                throw new WxPayException("业务结果,缺少必填参数result_code!");
            }
            if (!inputObj.IsSet("user_ip"))
            {
                throw new WxPayException("访问接口IP,缺少必填参数user_ip!");
            }
            if (!inputObj.IsSet("execute_time_"))
            {
                throw new WxPayException("接口耗时,缺少必填参数execute_time_!");
            }

            inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID());     //公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID());    //商户号
            inputObj.SetValue("user_ip", WxPayConfig.GetConfig().GetIp());      //终端ip
            inputObj.SetValue("time", DateTime.Now.ToString("yyyyMMddHHmmss")); //商户上报时间
            inputObj.SetValue("nonce_str", GenerateNonceStr());                 //随机字符串
            inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_HMAC_SHA256);    //签名类型
            inputObj.SetValue("sign", inputObj.MakeSign());                     //签名
            string xml = inputObj.ToXml();

            WxPayLog.Info("WxPayApi", "Report request : " + xml);

            string response = HttpService.Post(xml, url, false, timeOut);

            WxPayLog.Info("WxPayApi", "Report response : " + response);

            WxPayData result = new WxPayData();

            result.FromXml(response);
            return(result);
        }
        /**
         * @values格式化成能在Web页面上显示的结果(因为web页面上不能直接输出xml格式的字符串)
         */
        public string ToPrintStr()
        {
            string str = "";

            foreach (KeyValuePair <string, object> pair in m_values)
            {
                if (pair.Value == null)
                {
                    WxPayLog.Error(this.GetType().ToString(), "WxPayData内部含有值为null的字段!");
                    throw new WxPayException("WxPayData内部含有值为null的字段!");
                }


                str += string.Format("{0}={1}\n", pair.Key, pair.Value.ToString());
            }
            str = HttpUtility.HtmlEncode(str);
            WxPayLog.Debug(this.GetType().ToString(), "Print in Web Page : " + str);
            return(str);
        }
        /**
         * @Dictionary格式转化成url参数格式
         * @ return url格式串, 该串不包含sign字段值
         */
        public string ToUrl()
        {
            string buff = "";

            foreach (KeyValuePair <string, object> pair in m_values)
            {
                if (pair.Value == null)
                {
                    WxPayLog.Error(this.GetType().ToString(), "WxPayData内部含有值为null的字段!");
                    throw new WxPayException("WxPayData内部含有值为null的字段!");
                }

                if (pair.Key != "sign" && pair.Value.ToString() != "")
                {
                    buff += pair.Key + "=" + pair.Value + "&";
                }
            }
            buff = buff.Trim('&');
            return(buff);
        }
Beispiel #8
0
        /**
         *
         * 查询订单
         * @param WxPayData inputObj 提交给查询订单API的参数
         * @param int timeOut 超时时间
         * @throws WxPayException
         * @return 成功时返回订单查询结果,其他抛异常
         */
        public static WxPayData OrderQuery(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/pay/orderquery";

            //检测必填参数
            if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
            {
                throw new WxPayException("订单查询接口中,out_trade_no、transaction_id至少填一个!");
            }

            inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID());  //公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID()); //商户号
            inputObj.SetValue("nonce_str", WxPayApi.GenerateNonceStr());     //随机字符串
            inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_HMAC_SHA256); //签名类型
            inputObj.SetValue("sign", inputObj.MakeSign());                  //签名


            string xml = inputObj.ToXml();

            var start = DateTime.Now;

            WxPayLog.Debug("WxPayApi", "OrderQuery request : " + xml);
            string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口提交数据

            WxPayLog.Debug("WxPayApi", "OrderQuery response : " + response);

            var end      = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);//获得接口耗时

            //将xml格式的数据转化为对象以返回
            WxPayData result = new WxPayData();

            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报

            return(result);
        }
Beispiel #9
0
        /**
         * 下载对账单
         * @param WxPayData inputObj 提交给下载对账单API的参数
         * @param int timeOut 接口超时时间
         * @throws WxPayException
         * @return 成功时返回,其他抛异常
         */
        public static WxPayData DownloadBill(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/pay/downloadbill";

            //检测必填参数
            if (!inputObj.IsSet("bill_date"))
            {
                throw new WxPayException("对账单接口中,缺少必填参数bill_date!");
            }

            inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID());  //公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID()); //商户号
            inputObj.SetValue("nonce_str", GenerateNonceStr());              //随机字符串
            inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_HMAC_SHA256); //签名类型
            inputObj.SetValue("sign", inputObj.MakeSign());                  //签名

            string xml = inputObj.ToXml();

            WxPayLog.Debug("WxPayApi", "DownloadBill request : " + xml);
            string response = HttpService.Post(xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API

            WxPayLog.Debug("WxPayApi", "DownloadBill result : " + response);

            WxPayData result = new WxPayData();

            //若接口调用失败会返回xml格式的结果
            if (response.Substring(0, 5) == "<xml>")
            {
                result.FromXml(response);
            }
            //接口调用成功则返回非xml格式的数据
            else
            {
                result.SetValue("result", response);
            }

            return(result);
        }
Beispiel #10
0
        /**
         * @将Dictionary转成xml
         * @return 经转换得到的xml串
         * @throws WxPayException
         **/
        public string ToXml()
        {
            //数据为空时不能转化为xml格式
            if (0 == m_values.Count)
            {
                WxPayLog.Error(this.GetType().ToString(), "WxPayData数据为空!");
                throw new WxPayException("WxPayData数据为空!");
            }

            string xml = "<xml>";

            foreach (KeyValuePair <string, object> pair in m_values)
            {
                //字段值不能为null,会影响后续流程
                if (pair.Value == null)
                {
                    WxPayLog.Error(this.GetType().ToString(), "WxPayData内部含有值为null的字段!");
                    throw new WxPayException("WxPayData内部含有值为null的字段!");
                }

                if (pair.Value.GetType() == typeof(int))
                {
                    xml += "<" + pair.Key + ">" + pair.Value + "</" + pair.Key + ">";
                }
                else if (pair.Value.GetType() == typeof(string))
                {
                    xml += "<" + pair.Key + ">" + "<![CDATA[" + pair.Value + "]]></" + pair.Key + ">";
                }
                else//除了string和int类型不能含有其他数据类型
                {
                    WxPayLog.Error(this.GetType().ToString(), "WxPayData字段数据类型错误!");
                    throw new WxPayException("WxPayData字段数据类型错误!");
                }
            }
            xml += "</xml>";
            return(xml);
        }
Beispiel #11
0
        /**
         * @将xml转为WxPayData对象并返回对象内部的数据
         * @param string 待转换的xml串
         * @return 经转换得到的Dictionary
         * @throws WxPayException
         */
        public SortedDictionary <string, object> FromXml(string xml)
        {
            if (string.IsNullOrEmpty(xml))
            {
                WxPayLog.Error(this.GetType().ToString(), "将空的xml串转换为WxPayData不合法!");
                throw new WxPayException("将空的xml串转换为WxPayData不合法!");
            }


            SafeXmlDocument xmlDoc = new SafeXmlDocument();

            xmlDoc.LoadXml(xml);
            XmlNode     xmlNode = xmlDoc.FirstChild;//获取到根节点<xml>
            XmlNodeList nodes   = xmlNode.ChildNodes;

            foreach (XmlNode xn in nodes)
            {
                XmlElement xe = (XmlElement)xn;
                m_values[xe.Name] = xe.InnerText;//获取xml的键值对到WxPayData内部的数据中
            }

            try
            {
                //2015-06-29 错误是没有签名
                if (m_values["return_code"] != "SUCCESS")
                {
                    return(m_values);
                }
                CheckSign();//验证签名,不通过会抛异常
            }
            catch (WxPayException ex)
            {
                throw new WxPayException(ex.Message);
            }

            return(m_values);
        }
Beispiel #12
0
        /**
         *
         * 撤销订单API接口
         * @param WxPayData inputObj 提交给撤销订单API接口的参数,out_trade_no和transaction_id必填一个
         * @param int timeOut 接口超时时间
         * @throws WxPayException
         * @return 成功时返回API调用结果,其他抛异常
         */
        public static WxPayData Reverse(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/secapi/pay/reverse";

            //检测必填参数
            if (!inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id"))
            {
                throw new WxPayException("撤销订单API接口中,参数out_trade_no和transaction_id必须填写一个!");
            }

            inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID());  //公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID()); //商户号
            inputObj.SetValue("nonce_str", GenerateNonceStr());              //随机字符串
            inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_HMAC_SHA256); //签名类型
            inputObj.SetValue("sign", inputObj.MakeSign());                  //签名
            string xml = inputObj.ToXml();

            var start = DateTime.Now;//请求开始时间

            WxPayLog.Debug("WxPayApi", "Reverse request : " + xml);

            string response = HttpService.Post(xml, url, true, timeOut);

            WxPayLog.Debug("WxPayApi", "Reverse response : " + response);

            var end      = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);

            WxPayData result = new WxPayData();

            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报

            return(result);
        }
Beispiel #13
0
        /**
         *
         * 统一下单
         * @param WxPaydata inputObj 提交给统一下单API的参数
         * @param int timeOut 超时时间
         * @throws WxPayException
         * @return 成功时返回,其他抛异常
         */
        public static WxPayData UnifiedOrder(WxPayData inputObj, int timeOut = 6)
        {
            string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";

            //检测必填参数
            if (!inputObj.IsSet("out_trade_no"))
            {
                throw new WxPayException("缺少统一支付接口必填参数out_trade_no!");
            }
            else if (!inputObj.IsSet("body"))
            {
                throw new WxPayException("缺少统一支付接口必填参数body!");
            }
            else if (!inputObj.IsSet("total_fee"))
            {
                throw new WxPayException("缺少统一支付接口必填参数total_fee!");
            }
            else if (!inputObj.IsSet("trade_type"))
            {
                throw new WxPayException("缺少统一支付接口必填参数trade_type!");
            }

            //关联参数
            if (inputObj.GetValue("trade_type").ToString() == "JSAPI" && !inputObj.IsSet("openid"))
            {
                throw new WxPayException("统一支付接口中,缺少必填参数openid!trade_type为JSAPI时,openid为必填参数!");
            }
            if (inputObj.GetValue("trade_type").ToString() == "NATIVE" && !inputObj.IsSet("product_id"))
            {
                throw new WxPayException("统一支付接口中,缺少必填参数product_id!trade_type为JSAPI时,product_id为必填参数!");
            }

            //异步通知url未设置,则使用配置文件中的url
            if (!inputObj.IsSet("notify_url"))
            {
                inputObj.SetValue("notify_url", WxPayConfig.GetConfig().GetNotifyUrl());//异步通知url
            }

            inputObj.SetValue("appid", WxPayConfig.GetConfig().GetAppID());         //公众账号ID
            inputObj.SetValue("mch_id", WxPayConfig.GetConfig().GetMchID());        //商户号
            inputObj.SetValue("spbill_create_ip", WxPayConfig.GetConfig().GetIp()); //终端ip
            inputObj.SetValue("nonce_str", GenerateNonceStr());                     //随机字符串
            inputObj.SetValue("sign_type", WxPayData.SIGN_TYPE_HMAC_SHA256);        //签名类型

            //签名
            inputObj.SetValue("sign", inputObj.MakeSign());
            string xml = inputObj.ToXml();

            var start = DateTime.Now;

            WxPayLog.Debug("WxPayApi", "UnfiedOrder request : " + xml);
            string response = HttpService.Post(xml, url, false, timeOut);

            WxPayLog.Debug("WxPayApi", "UnfiedOrder response : " + response);

            var end      = DateTime.Now;
            int timeCost = (int)((end - start).TotalMilliseconds);

            WxPayData result = new WxPayData();

            result.FromXml(response);

            ReportCostTime(url, timeCost, result);//测速上报

            return(result);
        }
        public static string Post(string xml, string url, bool isUseCert, int timeout)
        {
            System.GC.Collect(); //垃圾回收,回收没有正常关闭的http连接

            string result = "";  //返回结果

            HttpWebRequest  request   = null;
            HttpWebResponse response  = null;
            Stream          reqStream = null;

            try
            {
                //设置最大连接数
                ServicePointManager.DefaultConnectionLimit = 200;
                //设置https验证方式
                if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
                {
                    ServicePointManager.ServerCertificateValidationCallback =
                        new RemoteCertificateValidationCallback(CheckValidationResult);
                }

                /***************************************************************
                 * 下面设置HttpWebRequest的相关属性
                 * ************************************************************/
                request           = (HttpWebRequest)WebRequest.Create(url);
                request.UserAgent = USER_AGENT;
                request.Method    = "POST";
                request.Timeout   = timeout * 1000;

                //设置代理服务器
                //WebProxy proxy = new WebProxy();                          //定义一个网关对象
                //proxy.Address = new Uri(WxPayConfig.PROXY_URL);              //网关服务器端口:端口
                //request.Proxy = proxy;

                //设置POST的数据类型和长度
                request.ContentType = "text/xml";
                byte[] data = System.Text.Encoding.UTF8.GetBytes(xml);
                request.ContentLength = data.Length;

                //是否使用证书
                if (isUseCert)
                {
                    //string path = HttpContext.Request.Path .PhysicalApplicationPath;
                    string           path = "";
                    X509Certificate2 cert = new X509Certificate2(path + WxPayConfig.GetConfig().GetSSlCertPath(), WxPayConfig.GetConfig().GetSSlCertPassword());
                    request.ClientCertificates.Add(cert);
                    WxPayLog.Debug("WxPayApi", "PostXml used cert");
                }

                //往服务器写入数据
                reqStream = request.GetRequestStream();
                reqStream.Write(data, 0, data.Length);
                reqStream.Close();

                //获取服务端返回
                response = (HttpWebResponse)request.GetResponse();

                //获取服务端返回数据
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                result = sr.ReadToEnd().Trim();
                sr.Close();
            }
            catch (System.Threading.ThreadAbortException e)
            {
                WxPayLog.Error("HttpService", "Thread - caught ThreadAbortException - resetting.");
                WxPayLog.Error("Exception message: {0}", e.Message);
                System.Threading.Thread.ResetAbort();
            }
            catch (WebException e)
            {
                WxPayLog.Error("HttpService", e.ToString());
                if (e.Status == WebExceptionStatus.ProtocolError)
                {
                    WxPayLog.Error("HttpService", "StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
                    WxPayLog.Error("HttpService", "StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
                }
                throw new WxPayException(e.ToString());
            }
            catch (Exception e)
            {
                WxPayLog.Error("HttpService", e.ToString());
                throw new WxPayException(e.ToString());
            }
            finally
            {
                //关闭连接和流
                if (response != null)
                {
                    response.Close();
                }
                if (request != null)
                {
                    request.Abort();
                }
            }
            return(result);
        }
        /// <summary>
        /// 处理http GET请求,返回数据
        /// </summary>
        /// <param name="url">请求的url地址</param>
        /// <returns>http GET成功后返回的数据,失败抛WebException异常</returns>
        public static string Get(string url)
        {
            System.GC.Collect();
            string result = "";

            HttpWebRequest  request  = null;
            HttpWebResponse response = null;

            //请求url以获取数据
            try
            {
                //设置最大连接数
                ServicePointManager.DefaultConnectionLimit = 200;
                //设置https验证方式
                if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
                {
                    ServicePointManager.ServerCertificateValidationCallback =
                        new RemoteCertificateValidationCallback(CheckValidationResult);
                }

                /***************************************************************
                 * 下面设置HttpWebRequest的相关属性
                 * ************************************************************/
                request           = (HttpWebRequest)WebRequest.Create(url);
                request.UserAgent = USER_AGENT;
                request.Method    = "GET";

                //获取服务器返回
                response = (HttpWebResponse)request.GetResponse();

                //获取HTTP返回数据
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                result = sr.ReadToEnd().Trim();
                sr.Close();
            }
            catch (System.Threading.ThreadAbortException e)
            {
                WxPayLog.Error("HttpService", "Thread - caught ThreadAbortException - resetting.");
                WxPayLog.Error("Exception message: {0}", e.Message);
                System.Threading.Thread.ResetAbort();
            }
            catch (WebException e)
            {
                WxPayLog.Error("HttpService", e.ToString());
                if (e.Status == WebExceptionStatus.ProtocolError)
                {
                    WxPayLog.Error("HttpService", "StatusCode : " + ((HttpWebResponse)e.Response).StatusCode);
                    WxPayLog.Error("HttpService", "StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription);
                }
                throw new WxPayException(e.ToString());
            }
            catch (Exception e)
            {
                WxPayLog.Error("HttpService", e.ToString());
                throw new WxPayException(e.ToString());
            }
            finally
            {
                //关闭连接和流
                if (response != null)
                {
                    response.Close();
                }
                if (request != null)
                {
                    request.Abort();
                }
            }
            return(result);
        }