/// <summary> /// 申请退款完整业务流程逻辑 /// Refund.Run /// </summary> /// <param name="transaction_id">微信订单号(优先使用)</param> /// <param name="out_trade_no">商户订单号</param> /// <param name="total_fee">订单总金额</param> /// <param name="refund_fee">退款金额</param> /// <returns>退款结果(xml格式)</returns> public static string Refund(string transaction_id, string out_trade_no, string total_fee, string refund_fee) { var methodString = TypeString + ".Refund"; WxPayLog.Info(methodString, "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", int.Parse(total_fee)); //订单总金额 data.SetValue("refund_fee", int.Parse(refund_fee)); //退款金额 data.SetValue("out_refund_no", WxPayApi.GenerateOutTradeNo()); //随机生成商户退款单号 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(methodString, "Refund process complete, result : " + result.ToXml()); return(result.ToPrintStr()); }
/// <summary> /// 生成直接支付url,支付url有效期为2小时,模式二 /// NativePay.GetPayUrl /// </summary> /// <param name="productId">商品ID</param> /// <returns>模式二URL</returns> public static string GetNativePayUrl(string productId) { var methodString = TypeString + ".GetNativePrePayUrl"; WxPayLog.Info(methodString, "Native pay mode 2 url is producing..."); WxPayData data = new WxPayData(); data.SetValue("body", "test"); //商品描述 data.SetValue("attach", "test"); //附加数据 data.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo()); //随机字符串 data.SetValue("total_fee", 1); //总金额 data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss")); //交易起始时间 data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss")); //交易结束时间 data.SetValue("goods_tag", "jjj"); //商品标记 data.SetValue("trade_type", "NATIVE"); //交易类型 data.SetValue("product_id", productId); //商品ID WxPayData result = WxPayApi.UnifiedOrder(data); //调用统一下单接口 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(methodString, "Get native pay mode 2 url : " + url); return(url); }
public static void ProcessNativeNotify(HttpContextBase httpContext) { var methodString = TypeString + ".ProcessNativeNotify"; WxPayData notifyData = GetNotifyData(httpContext); //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"); WxPayLog.Info(methodString, "The data WeChat post is error : " + res.ToXml()); httpContext.Response.Write(res.ToXml()); httpContext.Response.End(); } //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 { //统一下单 WxPayData req = new WxPayData(); req.SetValue("body", "test"); req.SetValue("attach", "test"); req.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo()); req.SetValue("total_fee", 1); req.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss")); req.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss")); req.SetValue("goods_tag", "test"); req.SetValue("trade_type", "NATIVE"); req.SetValue("openid", openid); req.SetValue("product_id", product_id); unifiedOrderResult = WxPayApi.UnifiedOrder(req); } 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"); WxPayLog.Error(methodString, "UnifiedOrder failure : " + res.ToXml()); httpContext.Response.Write(res.ToXml()); httpContext.Response.End(); } //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"); WxPayLog.Error(methodString, "UnifiedOrder failure : " + res.ToXml()); httpContext.Response.Write(res.ToXml()); httpContext.Response.End(); } //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()); WxPayLog.Info(methodString, "UnifiedOrder success , send data to WeChat : " + data.ToXml()); httpContext.Response.Write(data.ToXml()); httpContext.Response.End(); }
/// <summary> /// 刷卡支付完整业务流程逻辑 /// MicroPay.Run /// </summary> /// <param name="body">商品描述</param> /// <param name="total_fee">总金额</param> /// <param name="auth_code">支付授权码</param> /// <returns>刷卡支付结果</returns> /// <exception cref="WxPayException"></exception> public static string MicroPay(string body, string total_fee, string auth_code) { var methodString = TypeString + ".MicroPay"; WxPayLog.Info(methodString, "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() : ""; WxPayLog.Error(methodString, "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(methodString, "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") { WxPayLog.Error(methodString, "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 = MicroPayQuery(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(methodString, "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 { WxPayLog.Error(methodString, "Micropay failure, return micropay result : " + result.ToXml()); return(result.ToPrintStr()); } } //确认失败,则撤销订单 WxPayLog.Error(methodString, "Micropay failure, Reverse order is processing..."); if (!MicroPayCancel(out_trade_no)) { WxPayLog.Error(methodString, "Reverse order failure"); throw new WxPayException("Reverse order failure!"); } return(result.ToPrintStr()); }