/** * * 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 = WxHttpService.Get(url); WxLog.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"]; WxLog.Debug(this.GetType().ToString(), "Get openid : " + openid); WxLog.Debug(this.GetType().ToString(), "Get access_token : " + access_token); } catch (Exception ex) { WxLog.Error(this.GetType().ToString(), ex.ToString()); throw new WxPayException(ex.ToString()); } }
public override void ProcessNotify() { WxPayData notifyData = GetNotifyData(); //检查支付结果中transaction_id是否存在 if (!notifyData.IsSet("transaction_id")) { //若transaction_id不存在,则立即返回结果给微信支付后台 WxPayData res = new WxPayData(); res.SetValue("return_code", "FAIL"); res.SetValue("return_msg", "支付结果中微信订单号不存在"); WxLog.Error(this.GetType().ToString(), "The Pay result is error : " + res.ToXml()); } string transaction_id = notifyData.GetValue("transaction_id").ToString(); //查询订单,判断订单真实性 if (!QueryOrder(transaction_id)) { //若订单查询失败,则立即返回结果给微信支付后台 WxPayData res = new WxPayData(); res.SetValue("return_code", "FAIL"); res.SetValue("return_msg", "订单查询失败"); WxLog.Error(this.GetType().ToString(), "Order query failure : " + res.ToXml()); } //查询订单成功 else { WxPayData res = new WxPayData(); res.SetValue("return_code", "SUCCESS"); res.SetValue("return_msg", "OK"); WxLog.Info(this.GetType().ToString(), "order query success : " + res.ToXml()); } }
/** * 调用统一下单,获得下单结果 * @return 统一下单结果 * @失败时抛异常WxPayException */ public WxPayData GetUnifiedOrderResult(VWPayOrderEntity _order) { //统一下单 WxPayData data = new WxPayData(); data.SetValue("body", "易店心,订单号:" + _order.SysOrderCode); data.SetValue("attach", ""); data.SetValue("out_trade_no", _order.PayOrderCode);/*WxPayApi.GenerateOutTradeNo()*/ data.SetValue("total_fee", (_order.NeedPayPrice * 100).ToString()); data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss")); data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss")); data.SetValue("goods_tag", ""); data.SetValue("trade_type", "JSAPI"); data.SetValue("openid", openid); WxPayData result = WxPayApi.UnifiedOrder(data); if (!result.IsSet("appid") || !result.IsSet("prepay_id") || result.GetValue("prepay_id").ToString() == "") { WxLog.Error(this.GetType().ToString(), "UnifiedOrder response error!"); throw new WxPayException("UnifiedOrder response error!"); } unifiedOrderResult = result; return(result); }
/** * * 检测签名是否正确 * 正确返回true,错误抛异常 */ public bool CheckSign() { //如果没有设置签名,则跳过检测 if (!IsSet("sign")) { WxLog.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() == "") { WxLog.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(); if (cal_sign == return_sign) { return(true); } WxLog.Error(this.GetType().ToString(), "WxPayData签名验证错误!"); throw new WxPayException("WxPayData签名验证错误!"); }
public override void ProcessNotify() { WxPayData notifyData = GetNotifyData(); //检查openid和product_id是否返回 if (!notifyData.IsSet("openid") || !notifyData.IsSet("product_id")) { WxPayData res = new WxPayData(); res.SetValue("return_code", "FAIL"); res.SetValue("return_msg", "回调数据异常"); WxLog.Info(this.GetType().ToString(), "The data WeChat post is error : " + res.ToXml()); return; } //调统一下单接口,获得下单结果 string openid = notifyData.GetValue("openid").ToString(); string product_id = notifyData.GetValue("product_id").ToString(); WxPayData unifiedOrderResult = new WxPayData(); try { unifiedOrderResult = UnifiedOrder(openid, product_id); } catch (Exception ex)//若在调统一下单接口时抛异常,立即返回结果给微信支付后台 { WxPayData res = new WxPayData(); res.SetValue("return_code", "FAIL"); res.SetValue("return_msg", "统一下单失败"); WxLog.Error(this.GetType().ToString(), "UnifiedOrder failure : " + res.ToXml()); return; } //若下单失败,则立即返回结果给微信支付后台 if (!unifiedOrderResult.IsSet("appid") || !unifiedOrderResult.IsSet("mch_id") || !unifiedOrderResult.IsSet("prepay_id")) { WxPayData res = new WxPayData(); res.SetValue("return_code", "FAIL"); res.SetValue("return_msg", "统一下单失败"); WxLog.Error(this.GetType().ToString(), "UnifiedOrder failure : " + res.ToXml()); return; } //统一下单成功,则返回成功结果给微信支付后台 WxPayData data = new WxPayData(); data.SetValue("return_code", "SUCCESS"); data.SetValue("return_msg", "OK"); data.SetValue("appid", WxPayConfig.APPID); data.SetValue("mch_id", WxPayConfig.MCHID); data.SetValue("nonce_str", WxPayApi.GenerateNonceStr()); data.SetValue("prepay_id", unifiedOrderResult.GetValue("prepay_id")); data.SetValue("result_code", "SUCCESS"); data.SetValue("err_code_des", "OK"); data.SetValue("sign", data.MakeSign()); WxLog.Info(this.GetType().ToString(), "UnifiedOrder success , send data to WeChat : " + data.ToXml()); return; }
/** * @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) { WxLog.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}<br>", pair.Key, pair.Value.ToString()); } 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) { WxLog.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); }
/// <summary> /// 接收从微信支付后台发送过来的数据并验证签名 /// </summary> /// <returns>微信支付后台返回的数据</returns> public WxPayData GetNotifyData() { //接收从微信后台POST过来的数据 System.IO.Stream s = HttpContext.Current.Request.InputStream; int count = 0; byte[] buffer = new byte[1024]; StringBuilder builder = new StringBuilder(); while ((count = s.Read(buffer, 0, 1024)) > 0) { builder.Append(Encoding.UTF8.GetString(buffer, 0, count)); } s.Flush(); s.Close(); s.Dispose(); WxLog.Info(this.GetType().ToString(), "Receive data from WeChat : " + builder.ToString()); //转换数据格式并验证签名 WxPayData data = new WxPayData(); try { data.FromXml(builder.ToString()); } catch (WxPayException ex) { ////若签名错误,则立即返回结果给微信支付后台 //WxPayData res = new WxPayData(); data.SetValue("return_code", "FAIL"); data.SetValue("return_msg", ex.Message); WxLog.Error(this.GetType().ToString(), "Sign check error : " + data.ToXml()); } WxLog.Info(this.GetType().ToString(), "Check sign success"); return(data); }
/** * @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) { WxLog.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) { WxLog.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 { WxLog.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); }
/** * @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)) { WxLog.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!"); } XmlDocument xmlDoc = new XmlDocument(); 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); }
/** * 刷卡支付完整业务流程逻辑 * @param body 商品描述 * @param total_fee 总金额 * @param auth_code 支付授权码 * @throws WxPayException * @return 刷卡支付结果 */ public static string Run(string body, string total_fee, string auth_code) { WxLog.Info("MicroPay", "Micropay is processing..."); WxPayData data = new WxPayData(); data.SetValue("auth_code", auth_code); //授权码 data.SetValue("body", body); //商品描述 data.SetValue("total_fee", int.Parse(total_fee)); //总金额 data.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo()); //产生随机的商户订单号 WxPayData result = WxPayApi.Micropay(data, 10); //提交被扫支付,接收返回结果 //如果提交被扫支付接口调用失败,则抛异常 if (!result.IsSet("return_code") || result.GetValue("return_code").ToString() == "FAIL") { string returnMsg = result.IsSet("return_msg") ? result.GetValue("return_msg").ToString() : ""; WxLog.Error("MicroPay", "Micropay API interface call failure, result : " + result.ToXml()); throw new WxPayException("Micropay API interface call failure, return_msg : " + returnMsg); } //签名验证 result.CheckSign(); WxLog.Debug("MicroPay", "Micropay response check sign success"); //刷卡支付直接成功 if (result.GetValue("return_code").ToString() == "SUCCESS" && result.GetValue("result_code").ToString() == "SUCCESS") { WxLog.Debug("MicroPay", "Micropay business success, result : " + result.ToXml()); return(result.ToPrintStr()); } /****************************************************************** * 剩下的都是接口调用成功,业务失败的情况 * ****************************************************************/ //1)业务结果明确失败 if (result.GetValue("err_code").ToString() != "USERPAYING" && result.GetValue("err_code").ToString() != "SYSTEMERROR") { WxLog.Error("MicroPay", "micropay API interface call success, business failure, result : " + result.ToXml()); return(result.ToPrintStr()); } //2)不能确定是否失败,需查单 //用商户订单号去查单 string out_trade_no = data.GetValue("out_trade_no").ToString(); //确认支付是否成功,每隔一段时间查询一次订单,共查询10次 int queryTimes = 10; //查询次数计数器 while (queryTimes-- > 0) { int succResult = 0; //查询结果 WxPayData queryResult = Query(out_trade_no, out succResult); //如果需要继续查询,则等待2s后继续 if (succResult == 2) { Thread.Sleep(2000); continue; } //查询成功,返回订单查询接口返回的数据 else if (succResult == 1) { WxLog.Debug("MicroPay", "Mircopay success, return order query result : " + queryResult.ToXml()); return(queryResult.ToPrintStr()); } //订单交易失败,直接返回刷卡支付接口返回的结果,失败原因会在err_code中描述 else { WxLog.Error("MicroPay", "Micropay failure, return micropay result : " + result.ToXml()); return(result.ToPrintStr()); } } //确认失败,则撤销订单 WxLog.Error("MicroPay", "Micropay failure, Reverse order is processing..."); if (!Cancel(out_trade_no)) { WxLog.Error("MicroPay", "Reverse order failure"); throw new WxPayException("Reverse order failure!"); } return(result.ToPrintStr()); }
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.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.Current.Request.PhysicalApplicationPath; X509Certificate2 cert = new X509Certificate2(path + WxPayConfig.SSLCERT_PATH, WxPayConfig.SSLCERT_PASSWORD); request.ClientCertificates.Add(cert); WxLog.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) { WxLog.Error("HttpService", "Thread - caught ThreadAbortException - resetting."); WxLog.Error("Exception message: {0}", e.Message); System.Threading.Thread.ResetAbort(); } catch (WebException e) { WxLog.Error("HttpService", e.ToString()); if (e.Status == WebExceptionStatus.ProtocolError) { WxLog.Error("HttpService", "StatusCode : " + ((HttpWebResponse)e.Response).StatusCode); WxLog.Error("HttpService", "StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription); } throw new WxPayException(e.ToString()); } catch (Exception e) { WxLog.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.Method = "GET"; //设置代理 //WebProxy proxy = new WebProxy(); //proxy.Address = new Uri(WxPayConfig.PROXY_URL); //request.Proxy = proxy; //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) { WxLog.Error("HttpService", "Thread - caught ThreadAbortException - resetting."); WxLog.Error("Exception message: {0}", e.Message); System.Threading.Thread.ResetAbort(); } catch (WebException e) { WxLog.Error("HttpService", e.ToString()); if (e.Status == WebExceptionStatus.ProtocolError) { WxLog.Error("HttpService", "StatusCode : " + ((HttpWebResponse)e.Response).StatusCode); WxLog.Error("HttpService", "StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription); } throw new WxPayException(e.ToString()); } catch (Exception e) { WxLog.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); }