/** * 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, WxPayConfig config, 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", config.APPID); //公众账号ID inputObj.SetValue("mch_id", config.MCHID); //商户号 inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串 inputObj.SetValue("sign", inputObj.MakeSign(config)); //签名 string xml = inputObj.ToXml(); string response = HttpService.Post(config, xml, url, false, timeOut);//调用HTTP通信接口以提交数据到API 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); result.CheckSign(config); } //接口调用成功则返回非xml格式的数据 else { result.SetValue("result", response); } return(result); }
/** * * 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, WxPayConfig config, 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", config.APPID); //公众账号ID inputObj.SetValue("mch_id", config.MCHID); //商户号 inputObj.SetValue("nonce_str", WxPayApi.GenerateNonceStr()); //随机字符串 inputObj.SetValue("sign", inputObj.MakeSign(config)); //签名 string xml = inputObj.ToXml(); var start = DateTime.Now; string response = HttpService.Post(config, xml, url, false, timeOut);//调用HTTP通信接口提交数据 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); result.CheckSign(config); ReportCostTime(config, url, timeCost, result);//测速上报 return(result); }
/** * * 关闭订单 * @param WxPayData inputObj 提交给关闭订单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 CloseOrder(WxPayData inputObj, WxPayConfig config, int timeOut = 6) { string url = "https://api.mch.weixin.qq.com/pay/closeorder"; //检测必填参数 if (!inputObj.IsSet("out_trade_no")) { throw new WxPayException("关闭订单接口中,out_trade_no必填!"); } inputObj.SetValue("appid", config.APPID); //公众账号ID inputObj.SetValue("mch_id", config.MCHID); //商户号 inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串 inputObj.SetValue("sign", inputObj.MakeSign(config)); //签名 string xml = inputObj.ToXml(); var start = DateTime.Now; //请求开始时间 string response = HttpService.Post(config, xml, url, false, timeOut); var end = DateTime.Now; int timeCost = (int)((end - start).TotalMilliseconds); WxPayData result = new WxPayData(); result.FromXml(response); result.CheckSign(config); ReportCostTime(config, 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, WxPayConfig config, 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", config.IP); //终端ip inputObj.SetValue("appid", config.APPID); //公众账号ID inputObj.SetValue("mch_id", config.MCHID); //商户号 inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", "")); //随机字符串 inputObj.SetValue("sign", inputObj.MakeSign(config)); //签名 string xml = inputObj.ToXml(); var start = DateTime.Now;//请求开始时间 string response = HttpService.Post(config, xml, url, false, timeOut); //调用HTTP通信接口以提交数据到API 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); try { result.CheckSign(config); } catch (Exception ex) { throw new Exception(result.GetValue("return_msg").ToString()); } ReportCostTime(config, url, timeCost, result);//测速上报 return(result); }
/** * * 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, WxPayConfig config, 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", config.APPID); //公众账号ID inputObj.SetValue("mch_id", config.MCHID); //商户号 inputObj.SetValue("nonce_str", Guid.NewGuid().ToString().Replace("-", "")); //随机字符串 inputObj.SetValue("sign", inputObj.MakeSign(config)); //签名 string xml = inputObj.ToXml(); var start = DateTime.Now; string response = HttpService.Post(config, xml, url, true, timeOut);//调用HTTP通信接口提交数据到API 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); result.CheckSign(config); ReportCostTime(config, url, timeCost, result);//测速上报 return(result); }
/** * * 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, WxPayConfig config, 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", config.APPID); //公众账号ID inputObj.SetValue("mch_id", config.MCHID); //商户号 inputObj.SetValue("user_ip", config.IP); //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(config)); //签名 string xml = inputObj.ToXml(); string response = HttpService.Post(config, xml, url, false, timeOut); WxPayData result = new WxPayData(); result.FromXml(response); result.CheckSign(config); return(result); }
/// <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(WxPayConfig config) { //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(); //转换数据格式并验证签名 WxPayData data = new WxPayData(); try { data.FromXml(builder.ToString()); data.CheckSign(config); } 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); page.Response.Write(res.ToXml()); page.Response.End(); } return(data); }
/** * * 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, WxPayConfig config, int timeOut = 12) { 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", config.NOTIFY_URL);//异步通知url } inputObj.SetValue("appid", config.APPID); //公众账号ID inputObj.SetValue("mch_id", config.MCHID); //商户号 inputObj.SetValue("spbill_create_ip", config.IP); //终端ip inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串 //签名 inputObj.SetValue("sign", inputObj.MakeSign(config)); string xml = inputObj.ToXml(); var start = DateTime.Now; string response = HttpService.Post(config, xml, url, false, timeOut); var end = DateTime.Now; int timeCost = (int)((end - start).TotalMilliseconds); WxPayData result = new WxPayData(); result.FromXml(response); result.CheckSign(config); //ReportCostTime(config, url, timeCost, result);//测速上报 return(result); }
/// <summary> /// 刷卡支付完整业务流程逻辑 /// </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> public static string Run(string body, string total_fee, string auth_code) { Log.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() : ""; Log.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(); Log.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") { Log.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") { Log.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) { //查询结果 WxPayData queryResult = Query(out_trade_no, out int 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) { Log.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 { Log.Error("MicroPay", "Micropay failure, return micropay result : " + result.ToXml()); return(result.ToPrintStr()); } } //确认失败,则撤销订单 Log.Error("MicroPay", "Micropay failure, Reverse order is processing..."); if (!Cancel(out_trade_no)) { Log.Error("MicroPay", "Reverse order failure"); throw new WxPayException("Reverse order failure!"); } return(result.ToPrintStr()); }