/*** * 申请退款完整业务流程逻辑 * @param transaction_id 微信订单号(优先使用) * @param out_trade_no 商户订单号 * @param total_fee 订单总金额 * @param refund_fee 退款金额 * @return 退款结果(xml格式) */ public static WxPayData Run(string transaction_id, string out_trade_no, int total_fee, int refund_fee, string out_refund_no) { WxPayLog.Info("Refund", "Refund is processing..."); WxPayData data = new WxPayData(); if (!string.IsNullOrEmpty(transaction_id))//微信订单号存在的条件下,则已微信订单号为准 { data.SetValue("transaction_id", transaction_id); } else//微信订单号不存在,才根据商户订单号去退款 { data.SetValue("out_trade_no", out_trade_no); } data.SetValue("total_fee", total_fee); //订单总金额 data.SetValue("refund_fee", refund_fee); //退款金额 data.SetValue("out_refund_no", out_refund_no); //商户退款单号 data.SetValue("op_user_id", WxPayConfig.MCHID); //操作员,默认为商户号 WxPayData result = WxPayApi.Refund(data); //提交退款申请给API,接收返回数据 WxPayLog.Info("Refund", "Refund process complete, result : " + result.ToXml()); return(result); }
/** * 查询订单情况 * @param string out_trade_no 商户订单号 * @param bool success 支付结果:true表示支付成功,false表示支付失败 * @return 订单查询接口返回的数据,参见协议接口 */ public static WxPayData Query(string out_trade_no, out bool success) { success = false; //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 = 0;//查询次数计数器 while (queryTimes++ <= 10) { 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) { WxPayLog.Debug("MicroPay", "Mircopay success, return order query result : " + queryResult.ToXml()); success = true; return(queryResult); } //订单交易失败,返回订单查询接口返回的数据 else { WxPayLog.Error("MicroPay", "Micropay failure, return order query result : " + queryResult.ToXml()); return(queryResult); } } return(null); }
/** * * 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); WxPayLog.Debug(this.GetType().ToString(), "GetOpenidAndAccessTokenFromCode response : " + result); //保存access_token,用于收货地址获取 access_token = JsonHelper.GetJsonNode(result, "access_token"); //获取用户openid openid = JsonHelper.GetJsonNode(result, "openid"); WxPayLog.Debug(this.GetType().ToString(), "Get openid : " + openid); WxPayLog.Debug(this.GetType().ToString(), "Get access_token : " + access_token); } catch (Exception ex) { WxPayLog.Error(this.GetType().ToString(), ex.ToString()); throw; } }
/** * * 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(httpContext.Request.QueryString["code"])) { //获取code码,以获取openid和access_token string code = httpContext.Request.QueryString["code"]; WxPayLog.Debug(this.GetType().ToString(), "Get code : " + code); GetOpenidAndAccessTokenFromCode(code); } else { //构造网页授权获取code的URL string host = httpContext.Request.Url.Host; string rawUrl = httpContext.Request.RawUrl; string redirect_uri = HttpUtility.UrlEncode("http://" + host + rawUrl); 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(); WxPayLog.Debug(this.GetType().ToString(), "Will Redirect to URL : " + url); try { //触发微信返回code码 httpContext.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) { } } }
/** * 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(string out_trade_no, int total_fee, string notify_url, string time_expire) { //统一下单 WxPayData data = new WxPayData(); data.SetValue("body", string.Format("{0}订单:{1}", AppConfig.Global.WebSiteName, out_trade_no)); data.SetValue("attach", out_trade_no); data.SetValue("out_trade_no", out_trade_no); data.SetValue("total_fee", total_fee); data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss")); data.SetValue("time_expire", time_expire); //data.SetValue("goods_tag", "SJG365"); data.SetValue("trade_type", "JSAPI"); data.SetValue("openid", openid); data.SetValue("notify_url", notify_url); WxPayData result = WxPayApi.UnifiedOrder(data); if (!result.IsSet("appid") || !result.IsSet("prepay_id") || result.GetValue("prepay_id").ToString() == "") { WxPayLog.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")) { 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(); 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!"); }
/** * * 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.APPID); //公众账号ID inputObj.SetValue("mch_id", WxPayConfig.MCHID); //商户号 inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串 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); }
/** * * 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 = 15) { 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.APPID); //公众账号ID inputObj.SetValue("mch_id", WxPayConfig.MCHID); //商户号 inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串 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); }
/** * 生成直接支付url,支付url有效期为2小时,模式二 * @param out_trade_no 商户订单号 * @param total_fee 总金额 * @param notifyUrl 异步通知url * @param time_expire 交易结束时间 * @return 模式二URL */ public string GetPayUrl(string out_trade_no, int total_fee, string notify_url, string time_expire) { WxPayLog.Info(this.GetType().ToString(), "Native pay mode 2 url is producing..."); WxPayData data = new WxPayData(); data.SetValue("body", string.Format("{0}订单:{1}", AppConfig.Global.WebSiteName, out_trade_no)); //商品描述 data.SetValue("attach", out_trade_no); //附加数据 data.SetValue("out_trade_no", out_trade_no); //商户订单号 data.SetValue("total_fee", total_fee); //总金额 data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss")); //交易起始时间 data.SetValue("time_expire", time_expire); //交易结束时间 //data.SetValue("goods_tag", "SJG365");//商品标记 data.SetValue("trade_type", "NATIVE"); //交易类型 data.SetValue("product_id", out_trade_no); //商品ID data.SetValue("notify_url", notify_url); WxPayData result = WxPayApi.UnifiedOrder(data);//调用统一下单接口 if (result.GetValue("return_code").ToString() != "SUCCESS") { throw new WxPayException(result.GetValue("return_msg").ToString()); } else if (result.GetValue("result_code").ToString() != "SUCCESS") { throw new WxPayException(result.GetValue("err_code_des").ToString()); } string url = result.GetValue("code_url").ToString();//获得统一下单接口返回的二维码链接 WxPayLog.Info(this.GetType().ToString(), "Get native pay mode 2 url : " + url); return(url); }
/** * * 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.APPID); //公众账号ID inputObj.SetValue("mch_id", WxPayConfig.MCHID); //商户号 inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", "")); //随机字符串 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); }
/** * 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 = 30) { 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", System.Web.HttpContext.Current.Request.UserHostAddress); //终端ip inputObj.SetValue("appid", WxPayConfig.APPID); //公众账号ID inputObj.SetValue("mch_id", WxPayConfig.MCHID); //商户号 inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", "")); //随机字符串 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); }
/** * * 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 = httpContext.Request.Url.Host; string path = httpContext.Request.Path; string queryString = httpContext.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(); WxPayLog.Debug(this.GetType().ToString(), "SHA1 encrypt param : " + param); //SHA1加密 string addrSign = "";//FormsAuthentication.HashPasswordForStoringInConfigFile(param, "SHA1"); WxPayLog.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(); WxPayLog.Debug(this.GetType().ToString(), "Get EditAddressParam : " + parameter); } catch (Exception ex) { WxPayLog.Error(this.GetType().ToString(), ex.ToString()); throw; } return(parameter); }
/** * @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}<br>", pair.Key, pair.Value.ToString()); } WxPayLog.Debug(this.GetType().ToString(), "Print in Web Page : " + str); return(str); }
/** * * 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.APPID); //公众账号ID inputObj.SetValue("mch_id", WxPayConfig.MCHID); //商户号 inputObj.SetValue("user_ip", System.Web.HttpContext.Current.Request.UserHostAddress); //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", 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); }
/** * 生成扫描支付模式一URL * @param productId 商品ID * @return 模式一URL */ public string GetPrePayUrl(string productId) { WxPayLog.Info(this.GetType().ToString(), "Native pay mode 1 url is producing..."); WxPayData data = new WxPayData(); data.SetValue("appid", WxPayConfig.APPID); //公众帐号id data.SetValue("mch_id", WxPayConfig.MCHID); //商户号 data.SetValue("time_stamp", WxPayApi.GenerateTimeStamp()); //时间戳 data.SetValue("nonce_str", WxPayApi.GenerateNonceStr()); //随机字符串 data.SetValue("product_id", productId); //商品ID data.SetValue("sign", data.MakeSign()); //签名 string str = ToUrlParams(data.GetValues()); //转换为URL串 string url = "weixin://wxpay/bizpayurl?" + str; WxPayLog.Info(this.GetType().ToString(), "Get native pay mode 1 url : " + url); return(url); }
/** * * 从统一下单成功返回的数据中获取微信浏览器调起jsapi支付所需的参数, * 微信浏览器调起JSAPI时的输入参数格式如下: * { * "appId" : "wx2421b1c4370ec43b", //公众号名称,由商户传入 * "timeStamp":" 1395712654", //时间戳,自1970年以来的秒数 * "nonceStr" : "e61463f8efa94090b1f366cccfbbb444", //随机串 * "package" : "prepay_id=u802345jgfjsdfgsdg888", * "signType" : "MD5", //微信签名方式 * "paySign" : "70EA570631E4BB79628FBCA90534C63FF7FADD89" //微信签名 * } * @return string 微信浏览器调起JSAPI时的输入参数,json格式可以直接做参数用 * 更详细的说明请参考网页端调起支付API:http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_7 * */ public string GetJsApiParameters() { WxPayLog.Debug(this.GetType().ToString(), "JsApiPay::GetJsApiParam is processing..."); WxPayData jsApiParam = new WxPayData(); jsApiParam.SetValue("appId", unifiedOrderResult.GetValue("appid")); jsApiParam.SetValue("timeStamp", WxPayApi.GenerateTimeStamp()); jsApiParam.SetValue("nonceStr", WxPayApi.GenerateNonceStr()); jsApiParam.SetValue("package", "prepay_id=" + unifiedOrderResult.GetValue("prepay_id")); jsApiParam.SetValue("signType", "MD5"); jsApiParam.SetValue("paySign", jsApiParam.MakeSign()); string parameters = jsApiParam.ToJson(); WxPayLog.Debug(this.GetType().ToString(), "Get jsApiParam : " + parameters); return(parameters); }
/** * @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); }
/// <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 = page.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(); WxPayLog.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(); res.SetValue("return_code", "FAIL"); res.SetValue("return_msg", ex.Message); WxPayLog.Error(this.GetType().ToString(), "Sign check error : " + res.ToXml()); page.Response.Write(res.ToXml()); page.Response.End(); } WxPayLog.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) { 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); }
/** * * 查询退款 * 提交退款申请后,通过该接口查询退款状态。退款有一定延时, * 用零钱支付的退款20分钟内到账,银行卡支付的退款3个工作日后重新查询退款状态。 * out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个 * @param WxPayData inputObj 提交给查询退款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 RefundQuery(WxPayData inputObj, int timeOut = 6) { string url = "https://api.mch.weixin.qq.com/pay/refundquery"; //检测必填参数 if (!inputObj.IsSet("out_refund_no") && !inputObj.IsSet("out_trade_no") && !inputObj.IsSet("transaction_id") && !inputObj.IsSet("refund_id")) { throw new WxPayException("退款查询接口中,out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个!"); } inputObj.SetValue("appid", WxPayConfig.APPID); //公众账号ID inputObj.SetValue("mch_id", WxPayConfig.MCHID); //商户号 inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串 inputObj.SetValue("sign", inputObj.MakeSign()); //签名 string xml = inputObj.ToXml(); var start = DateTime.Now;//请求开始时间 WxPayLog.Debug("WxPayApi", "RefundQuery 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", "RefundQuery 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); }
/** * 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.APPID); //公众账号ID inputObj.SetValue("mch_id", WxPayConfig.MCHID); //商户号 inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串 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); }
/** * @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!"); } 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"].ToString() != "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); }
/** * * 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.NOTIFY_URL);//异步通知url } inputObj.SetValue("appid", WxPayConfig.APPID); //公众账号ID inputObj.SetValue("mch_id", WxPayConfig.MCHID); //商户号 inputObj.SetValue("spbill_create_ip", System.Web.HttpContext.Current.Request.UserHostAddress); //终端ip inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串 //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); }
/// <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) { 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; } catch (Exception e) { WxPayLog.Error("HttpService", e.ToString()); throw; } finally { //关闭连接和流 if (response != null) { response.Close(); } if (request != null) { request.Abort(); } } 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.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; path = Path.Combine(path, WxPayConfig.SSLCERT_PATH); X509Certificate2 cert = new X509Certificate2(path, WxPayConfig.SSLCERT_PASSWORD); 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("HttpService", string.Format("Exception message: {0}", e.Message)); System.Threading.Thread.ResetAbort(); } catch (WebException e) { WxPayLog.Error("HttpService", string.Format("{1}{0}url : {2}{0}xml : {3}{0}timeout : {4}", Environment.NewLine, e.ToString(), url, xml, timeout)); if (e.Status == WebExceptionStatus.ProtocolError) { WxPayLog.Error("HttpService", "StatusCode : " + ((HttpWebResponse)e.Response).StatusCode); WxPayLog.Error("HttpService", "StatusDescription : " + ((HttpWebResponse)e.Response).StatusDescription); } throw; } catch (Exception e) { WxPayLog.Error("HttpService", string.Format("{1}{0}url : {2}{0}xml : {3}{0}timeout : {4}", Environment.NewLine, e.ToString(), url, xml, timeout)); throw; } finally { //关闭连接和流 if (response != null) { response.Close(); } if (request != null) { request.Abort(); } } return(result); }
/** * 刷卡支付完整业务流程逻辑 * @param out_trade_no 商户订单号 * @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 WxPayData Run(string out_trade_no, int total_fee, string auth_code) { WxPayLog.Info("MicroPay", "Micropay is processing..."); WxPayData data = new WxPayData(); data.SetValue("auth_code", auth_code); //授权码 data.SetValue("body", string.Format("{0}订单:{1}", AppConfig.Global.WebSiteName, out_trade_no)); //商品描述 data.SetValue("total_fee", total_fee); //总金额 data.SetValue("out_trade_no", out_trade_no); //商户订单号 WxPayData result = new WxPayData(); try { result = WxPayApi.Micropay(data); //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() : ""; WxPayLog.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(); WxPayLog.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") { WxPayLog.Debug("MicroPay", "Micropay business success, result : " + result.ToXml()); return(result); } } catch (Exception ex) { //如果不是HTTP请求超时,则抛出异常(背景:存在支付请求超时但微信已扣款的情况,需要查询支付记录才能确认是否已扣款) if (!HttpService.IsHttpTimeout(ex)) { throw; } } /****************************************************************** * 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.IsSet("err_code") && result.GetValue("err_code").ToString() != "USERPAYING" && result.GetValue("err_code").ToString() != "SYSTEMERROR") { WxPayLog.Error("MicroPay", "micropay API interface call success, business failure, result : " + result.ToXml()); return(result); } //2)不能确定是否失败,需查单 //用商户订单号去查单 out_trade_no = data.GetValue("out_trade_no").ToString(); bool success = false; WxPayData queryResult = Query(out_trade_no, out success); if (success) { return(queryResult); } else if (queryResult == null) { //长时间未完成交易,则撤销订单 WxPayLog.Error("MicroPay", "Micropay failure, Reverse order is processing..."); if (!Cancel(out_trade_no)) { WxPayLog.Error("MicroPay", "Reverse order failure"); throw new WxPayException("Reverse order failure!"); } } return(result); }